Forest Grove weather in July
In July, Forest Grove sees average daytime highs of 80°F and overnight lows near 56°F, with 0.4 in of rain across 2.2 wet days and about 15.1 hours of daylight. It is the 2nd-warmest and 12th-wettest month of the year here.
Highs climb over the month, from about 77°F in the first days to 82°F by the end. The sky is clear or mostly clear about 59% of the time in July, and the air most often feels dry.
Daylight stretches from about 15 h 24 min at the start of July to 14 h 42 min by month's end. Set against the rest of the year, July is Forest Grove's 2nd-clearest and 1st-windiest month. For the whole year in context, see Forest Grove's year-round climate.
- Daytime high
- 80°
- 2nd warmest
- Overnight low
- 56°
- 11th coldest
- Rainfall
- 0.4 in
- 2.2 wet days
- Daylight
- 15 h 12 min
- 4:43 AM – 7:53 PM
- Cloud cover
- 34%
- 2nd clearest
- Wind
- 5 mph
- 1st windiest
- Solar energy
- 6.77 kWh/m²
- Travel score
- 8.2
- out of 10
Forest Grove is city in Oregon, USA.
- Density
- 1,608/km²
- people per km²
- Founded
- 1840
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in July
Highs climb over the month, from about 77°F in the first days to 82°F by the end.
A typical July day in Forest Grove reaches about 80°F in the afternoon and slips back to 56°F overnight — a 24°F spread between the day's warmth and the night's chill. On most days the high lands between 70°F and 91°F. Set against its neighbours, July runs about 8°F warmer than June and on par with August.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 76 | 76 | 77 | 77 | 77 | 78 | 78 | 78 | 78 | 78 | 79 | 79 | 79 | 79 | 80 | 80 | 80 | 80 | 81 | 81 | 81 | 81 | 81 | 82 | 82 | 82 | 82 | 82 | 82 | 82 | 82 |
| Avg low (°F) | 54 | 54 | 55 | 55 | 55 | 55 | 55 | 55 | 55 | 56 | 56 | 56 | 56 | 56 | 56 | 56 | 56 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 57 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 76 | 54 |
| 2 | 76 | 54 |
| 3 | 77 | 55 |
| 4 | 77 | 55 |
| 5 | 77 | 55 |
| 6 | 78 | 55 |
| 7 | 78 | 55 |
| 8 | 78 | 55 |
| 9 | 78 | 55 |
| 10 | 78 | 56 |
| 11 | 79 | 56 |
| 12 | 79 | 56 |
| 13 | 79 | 56 |
| 14 | 79 | 56 |
| 15 | 80 | 56 |
| 16 | 80 | 56 |
| 17 | 80 | 56 |
| 18 | 80 | 57 |
| 19 | 81 | 57 |
| 20 | 81 | 57 |
| 21 | 81 | 57 |
| 22 | 81 | 57 |
| 23 | 81 | 57 |
| 24 | 82 | 57 |
| 25 | 82 | 57 |
| 26 | 82 | 57 |
| 27 | 82 | 57 |
| 28 | 82 | 57 |
| 29 | 82 | 57 |
| 30 | 82 | 57 |
| 31 | 82 | 57 |
How July really feels in Forest Grove
Once humidity and wind are folded in, July averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.
July sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Forest Grove weather by month
How July compares with the rest of the year at a glance. July is the 2nd-warmest and 12th-wettest month here — the current month is highlighted below.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 46° / 36° | 6.8 | 17.1 | 1.9 | 8.9 | 1.0 |
| Feb | 49° / 37° | 5.2 | 14.2 | 1.6 | 10.1 | 1.8 |
| Mar | 54° / 39° | 5.9 | 17.3 | 0.9 | 11.6 | 2.7 |
| Apr | 59° / 42° | 4.5 | 15.6 | 0.1 | 13.2 | 3.8 |
| May | 66° / 47° | 2.7 | 10.6 | 0 | 14.7 | 5.9 |
| Jun | 72° / 52° | 1.6 | 7.2 | 0 | 15.4 | 7.1 |
| Jul | 80° / 56° | 0.4 | 2.2 | 0 | 15.1 | 8.2 |
| Aug | 80° / 57° | 0.5 | 2.5 | 0 | 13.9 | 8.1 |
| Sep | 74° / 53° | 1.7 | 6 | 0 | 12.3 | 7.7 |
| Oct | 62° / 46° | 4.2 | 11.5 | 0 | 10.7 | 5.1 |
| Nov | 51° / 40° | 7.0 | 17.3 | 0.5 | 9.3 | 2.0 |
| Dec | 45° / 36° | 8.0 | 17.5 | 2.3 | 8.6 | 0.8 |
Cloud cover in July
The sky is clear or mostly clear about 59% of the time in July.
Beyond those clear spells, partly cloudy skies cover about 12% of July, with mostly cloudy or overcast conditions the remaining 29%. Skies tend to open up as the month goes on.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 58 | 59 | 60 | 60 | 62 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 68 | 69 | 69 | 71 | 71 | 72 | 73 | 75 | 75 | 77 | 77 | 79 | 80 | 80 | 81 | 82 | 82 | 82 | 82 |
| Cloudier (%) | 42 | 41 | 40 | 40 | 38 | 38 | 37 | 36 | 35 | 34 | 33 | 32 | 32 | 31 | 31 | 29 | 29 | 28 | 27 | 25 | 25 | 23 | 23 | 21 | 20 | 20 | 19 | 18 | 18 | 18 | 18 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 58 | 42 |
| 2 | 59 | 41 |
| 3 | 60 | 40 |
| 4 | 60 | 40 |
| 5 | 62 | 38 |
| 6 | 62 | 38 |
| 7 | 63 | 37 |
| 8 | 64 | 36 |
| 9 | 65 | 35 |
| 10 | 66 | 34 |
| 11 | 67 | 33 |
| 12 | 68 | 32 |
| 13 | 68 | 32 |
| 14 | 69 | 31 |
| 15 | 69 | 31 |
| 16 | 71 | 29 |
| 17 | 71 | 29 |
| 18 | 72 | 28 |
| 19 | 73 | 27 |
| 20 | 75 | 25 |
| 21 | 75 | 25 |
| 22 | 77 | 23 |
| 23 | 77 | 23 |
| 24 | 79 | 21 |
| 25 | 80 | 20 |
| 26 | 80 | 20 |
| 27 | 81 | 19 |
| 28 | 82 | 18 |
| 29 | 82 | 18 |
| 30 | 82 | 18 |
| 31 | 82 | 18 |
Chance of precipitation in July
Forest Grove gets around 0.4 in of rain over 2.2 wet days in July, the driest month. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 8% and peaks near 13% on the wettest days. The odds ease toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 13 | 12 | 11 | 10 | 10 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 |
| Rain chance (%) | |
|---|---|
| 1 | 13 |
| 2 | 12 |
| 3 | 11 |
| 4 | 10 |
| 5 | 10 |
| 6 | 9 |
| 7 | 9 |
| 8 | 8 |
| 9 | 8 |
| 10 | 8 |
| 11 | 8 |
| 12 | 8 |
| 13 | 8 |
| 14 | 8 |
| 15 | 8 |
| 16 | 7 |
| 17 | 7 |
| 18 | 7 |
| 19 | 7 |
| 20 | 7 |
| 21 | 7 |
| 22 | 6 |
| 23 | 6 |
| 24 | 6 |
| 25 | 6 |
| 26 | 5 |
| 27 | 5 |
| 28 | 5 |
| 29 | 5 |
| 30 | 5 |
| 31 | 5 |
Humidity in July
Most of July feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, July lands in the dry band about 85% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 89 | 89 | 89 | 89 | 90 | 90 | 89 | 89 | 88 | 88 | 87 | 86 | 85 | 84 | 83 | 83 | 82 | 82 | 81 | 81 | 81 | 81 | 81 | 82 | 82 | 82 | 83 | 83 | 83 | 83 | 83 |
| Comfortable (%) | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 12 | 12 | 13 | 14 | 15 | 16 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 |
| Humid (%) | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Dry (%) | Comfortable (%) | Humid (%) | |
|---|---|---|---|
| 1 | 89 | 10 | 1 |
| 2 | 89 | 10 | 1 |
| 3 | 89 | 10 | 1 |
| 4 | 89 | 10 | 1 |
| 5 | 90 | 10 | 0 |
| 6 | 90 | 10 | 0 |
| 7 | 89 | 11 | 0 |
| 8 | 89 | 11 | 0 |
| 9 | 88 | 12 | 0 |
| 10 | 88 | 12 | 0 |
| 11 | 87 | 13 | 0 |
| 12 | 86 | 14 | 0 |
| 13 | 85 | 15 | 0 |
| 14 | 84 | 16 | 0 |
| 15 | 83 | 17 | 0 |
| 16 | 83 | 17 | 0 |
| 17 | 82 | 18 | 0 |
| 18 | 82 | 18 | 0 |
| 19 | 81 | 18 | 1 |
| 20 | 81 | 18 | 1 |
| 21 | 81 | 18 | 1 |
| 22 | 81 | 18 | 1 |
| 23 | 81 | 18 | 1 |
| 24 | 82 | 17 | 1 |
| 25 | 82 | 17 | 1 |
| 26 | 82 | 17 | 1 |
| 27 | 83 | 16 | 1 |
| 28 | 83 | 16 | 1 |
| 29 | 83 | 16 | 1 |
| 30 | 83 | 16 | 1 |
| 31 | 83 | 16 | 1 |
Wind in July
Winds average 5 mph in July, the windiest month of the year.
Across July, daily wind ranges from about 5 mph on the calmest days to 5 mph at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (mph) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (mph) | Feels | |
|---|---|---|
| 1 | 5 | calm |
| 2 | 5 | calm |
| 3 | 5 | calm |
| 4 | 5 | calm |
| 5 | 5 | calm |
| 6 | 5 | calm |
| 7 | 5 | calm |
| 8 | 5 | calm |
| 9 | 5 | calm |
| 10 | 5 | calm |
| 11 | 5 | calm |
| 12 | 5 | calm |
| 13 | 5 | calm |
| 14 | 5 | calm |
| 15 | 5 | calm |
| 16 | 5 | calm |
| 17 | 5 | calm |
| 18 | 5 | calm |
| 19 | 5 | calm |
| 20 | 5 | calm |
| 21 | 5 | calm |
| 22 | 5 | calm |
| 23 | 5 | calm |
| 24 | 5 | calm |
| 25 | 5 | calm |
| 26 | 5 | calm |
| 27 | 5 | calm |
| 28 | 5 | calm |
| 29 | 5 | calm |
| 30 | 5 | calm |
| 31 | 5 | calm |
Sunrise & sunset in July
Daylight runs from about 15 h 24 min at the start of July to 14 h 42 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 42 minutes over July. Sunrise moves from 4:32 AM to 4:59 AM, and sunset from 7:59 PM to 7:38 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 15.4 | 15.4 | 15.4 | 15.4 | 15.4 | 15.4 | 15.4 | 15.3 | 15.3 | 15.3 | 15.3 | 15.3 | 15.2 | 15.2 | 15.2 | 15.2 | 15.1 | 15.1 | 15.1 | 15.0 | 15.0 | 15.0 | 14.9 | 14.9 | 14.9 | 14.8 | 14.8 | 14.8 | 14.7 | 14.7 | 14.7 |
| Sunrise (AM) | 4:32 | 4:33 | 4:33 | 4:34 | 4:35 | 4:35 | 4:36 | 4:37 | 4:37 | 4:38 | 4:39 | 4:40 | 4:41 | 4:41 | 4:42 | 4:43 | 4:44 | 4:45 | 4:46 | 4:47 | 4:48 | 4:49 | 4:50 | 4:51 | 4:52 | 4:53 | 4:54 | 4:56 | 4:57 | 4:58 | 4:59 |
| Sunset (PM) | 7:59 | 7:59 | 7:59 | 7:59 | 7:58 | 7:58 | 7:58 | 7:57 | 7:57 | 7:57 | 7:56 | 7:55 | 7:55 | 7:54 | 7:54 | 7:53 | 7:52 | 7:51 | 7:51 | 7:50 | 7:49 | 7:48 | 7:47 | 7:46 | 7:45 | 7:44 | 7:43 | 7:42 | 7:41 | 7:39 | 7:38 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 15.4 | 4:32 | 7:59 |
| 2 | 15.4 | 4:33 | 7:59 |
| 3 | 15.4 | 4:33 | 7:59 |
| 4 | 15.4 | 4:34 | 7:59 |
| 5 | 15.4 | 4:35 | 7:58 |
| 6 | 15.4 | 4:35 | 7:58 |
| 7 | 15.4 | 4:36 | 7:58 |
| 8 | 15.3 | 4:37 | 7:57 |
| 9 | 15.3 | 4:37 | 7:57 |
| 10 | 15.3 | 4:38 | 7:57 |
| 11 | 15.3 | 4:39 | 7:56 |
| 12 | 15.3 | 4:40 | 7:55 |
| 13 | 15.2 | 4:41 | 7:55 |
| 14 | 15.2 | 4:41 | 7:54 |
| 15 | 15.2 | 4:42 | 7:54 |
| 16 | 15.2 | 4:43 | 7:53 |
| 17 | 15.1 | 4:44 | 7:52 |
| 18 | 15.1 | 4:45 | 7:51 |
| 19 | 15.1 | 4:46 | 7:51 |
| 20 | 15.0 | 4:47 | 7:50 |
| 21 | 15.0 | 4:48 | 7:49 |
| 22 | 15.0 | 4:49 | 7:48 |
| 23 | 14.9 | 4:50 | 7:47 |
| 24 | 14.9 | 4:51 | 7:46 |
| 25 | 14.9 | 4:52 | 7:45 |
| 26 | 14.8 | 4:53 | 7:44 |
| 27 | 14.8 | 4:54 | 7:43 |
| 28 | 14.8 | 4:56 | 7:42 |
| 29 | 14.7 | 4:57 | 7:41 |
| 30 | 14.7 | 4:58 | 7:39 |
| 31 | 14.7 | 4:59 | 7:38 |
Solar energy in July
Average shortwave solar energy reaching the ground each day in July, about 6.77 kWh/m² — the sunniest month for solar.
For context, solar energy here swings from a low near 1.03 kWh/m² to a high of 6.77 kWh/m² in July across the year — July's 6.77 kWh/m² sits near the top of that range.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 6.5 | 6.5 | 6.5 | 6.6 | 6.6 | 6.6 | 6.6 | 6.6 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.7 | 6.7 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.5 | Intense |
| 2 | 6.5 | Intense |
| 3 | 6.5 | Intense |
| 4 | 6.6 | Intense |
| 5 | 6.6 | Intense |
| 6 | 6.6 | Intense |
| 7 | 6.6 | Intense |
| 8 | 6.6 | Intense |
| 9 | 6.7 | Intense |
| 10 | 6.7 | Intense |
| 11 | 6.7 | Intense |
| 12 | 6.7 | Intense |
| 13 | 6.7 | Intense |
| 14 | 6.7 | Intense |
| 15 | 6.7 | Intense |
| 16 | 6.7 | Intense |
| 17 | 6.8 | Intense |
| 18 | 6.8 | Intense |
| 19 | 6.8 | Intense |
| 20 | 6.8 | Intense |
| 21 | 6.8 | Intense |
| 22 | 6.8 | Intense |
| 23 | 6.8 | Intense |
| 24 | 6.8 | Intense |
| 25 | 6.8 | Intense |
| 26 | 6.8 | Intense |
| 27 | 6.8 | Intense |
| 28 | 6.8 | Intense |
| 29 | 6.8 | Intense |
| 30 | 6.7 | Intense |
| 31 | 6.7 | Intense |
Hazard calendar for Forest Grove
None of Forest Grove's seasonal hazards are active in July. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Forest Grove's rainy season runs October–April, when most of the year's rain falls.
Is July a good time to visit Forest Grove?
Our two travel scores rate July for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
July is one of the better times to visit Forest Grove for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Forest Grove in July
From July's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In July, Forest Grove sees daytime highs around 80°F and nights near 56°F. Pack sun protection. Worth having: light clothes.
Sea temperature near Forest Grove in July
The nearest coast averages about 58°F in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 38 mi away) is warmest in August at about 59°F and coldest in February near 49°F.
The water stays below 68°F all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 50 | 49 | 50 | 51 | 54 | 57 | 58 | 59 | 58 | 55 | 53 | 50 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 50 | Bracing |
| Feb | 49 | Bracing |
| Mar | 50 | Bracing |
| Apr | 51 | Bracing |
| May | 54 | Bracing |
| Jun | 57 | Bracing |
| Jul | 58 | Bracing |
| Aug | 59 | Bracing |
| Sep | 58 | Bracing |
| Oct | 55 | Bracing |
| Nov | 53 | Bracing |
| Dec | 50 | Bracing |
UV index in Forest Grove in July
Clear-sky midday UV in July peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Forest Grove peaks around July 17 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 4 | 5 | 8 | 7 | 8 | 7 | 5 | 3 | 1 | 1 |
| Level | Low | Low | Moderate | High | Very high | High | Very high | High | Moderate | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Low |
| Mar | 4 | Moderate |
| Apr | 5 | High |
| May | 8 | Very high |
| Jun | 7 | High |
| Jul | 8 | Very high |
| Aug | 7 | High |
| Sep | 5 | Moderate |
| Oct | 3 | Moderate |
| Nov | 1 | Low |
| Dec | 1 | Low |
Air quality in Forest Grove in July
Average fine-particle pollution (PM2.5) through the year — so you can see where July falls, not just the annual average.
Air quality in Forest Grove is worst in September — around 22 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (January, 7 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 7 | 9 | 11 | 11 | 10 | 9 | 8 | 13 | 22 | 14 | 9 | 7 |
| Level | Good | Good | Good | Good | Good | Good | Good | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 7 | Good |
| Feb | 9 | Good |
| Mar | 11 | Good |
| Apr | 11 | Good |
| May | 10 | Good |
| Jun | 9 | Good |
| Jul | 8 | Good |
| Aug | 13 | Moderate |
| Sep | 22 | Moderate |
| Oct | 14 | Moderate |
| Nov | 9 | Good |
| Dec | 7 | Good |
Where is Forest Grove?
Forest Grove sits at 45.5°N, 123.1°W, 203 ft above sea level, in United States. The nearest listed city is Hillsboro, 5.6 mi away.
Topography around Forest Grove
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Forest Grove.
Within 2 miles, the terrain around Forest Grove has only modest variations in elevation — a maximum elevation change of 331 ft around an average of 187 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 2,303 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 4,245 ft.
The land around Forest Grove is covered by trees (33%), grassland (24%) and cropland (24%) within 2 miles, trees (56%) and cropland (20%) within 10 miles, and trees (72%) within 50 miles.
United States travel facts
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 100% of US
- price level, 2025
- GDP per capita
- $90,027
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 5.8
- per 100k, 2023
- Road deaths
- 12.7
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Forest Grove (45.5198°, -123.1107°, elevation 203 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).