Eagle weather in August

In August, Eagle sees average daytime highs of 87°F and overnight lows near 57°F, with 0.2 in of rain across 1.5 wet days and about 13.8 hours of daylight. It is the 2nd-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 90°F in the first days to 84°F by the end. The sky is clear or mostly clear about 78% of the time in August, and the air most often feels dry.

Daylight stretches from about 14 h 24 min at the start of August to 13 h 06 min by month's end. Set against the rest of the year, August is Eagle's 2nd-clearest and 8th-windiest month. For the whole year in context, see Eagle's year-round climate.

Daytime high
87°
2nd warmest
Overnight low
57°
11th coldest
Rainfall
0.2 in
1.5 wet days
Daylight
13 h 48 min
5:55 AM – 7:44 PM
Cloud cover
23%
2nd clearest
Wind
5 mph
8th windiest
Solar energy
7.05 kWh/m²
Travel score
6.0
out of 10

Eagle is city in Ada County, Idaho, United States.

Density
310/km²
people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 90°F in the first days to 84°F by the end.

A typical August day in Eagle reaches about 87°F in the afternoon and slips back to 57°F overnight — a 30°F spread between the day's warmth and the night's chill. On most days the high lands between 78°F and 95°F. Set against its neighbours, August runs on par with July and about 10°F warmer than September.

40°60°80°100°151015202531
Avg high (°F)Avg low (°F)
19059
29059
39059
49059
59059
69059
78959
88959
98959
108958
118958
128958
138858
148858
158858
168857
178757
188757
198757
208757
218756
228656
238656
248656
258555
268555
278555
288555
298455
308454
318354

How August really feels in Eagle

Once humidity and wind are folded in, August averages 6 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
6
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Eagle weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan37° / 23°2.410.76.69.10.0
Feb43° / 27°1.79.24.310.20.6
Mar52° / 32°2.010.62.511.62.8
Apr60° / 37°1.78.60.513.24.9
May69° / 44°1.67.50.114.56.9
Jun78° / 51°0.83.9015.27.9
Jul89° / 58°0.21.2014.95.6
Aug87° / 57°0.21.5013.86.0
Sep77° / 49°0.62.6012.38.4
Oct62° / 39°1.250.110.86.2
Nov47° / 30°1.99.639.51.5
Dec37° / 23°2.711.26.98.80.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 78% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 10% of August, with mostly cloudy or overcast conditions the remaining 13%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18812
28713
38713
48713
58713
68713
78713
88713
98713
108713
118713
128713
138812
148812
158812
168713
178713
188713
198812
208812
218812
228812
238713
248713
258713
268713
278812
288812
298713
308713
318713

Chance of precipitation in August

Any precipitation

Eagle gets around 0.2 in of rain over 1.5 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 5% and peaks near 6% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
14
24
34
44
55
65
75
85
95
105
115
125
135
145
155
165
175
185
195
205
215
225
235
245
255
265
276
286
296
306
316

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the dry band about 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1991
2991
3991
4991
5991
6991
7991
8991
9991
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
21991
22991
23991
24991
25991
26991
27991
28991
29991
30991
31991

Wind in August

Winds average 5 mph in August.

Across August, 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.

0246810151015202531
Wind speed (mph)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 24 min at the start of August to 13 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 78 minutes over August. Sunrise moves from 5:38 AM to 6:12 AM, and sunset from 8:05 PM to 7:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.45:388:05
214.45:398:04
314.45:408:02
414.35:418:01
514.35:428:00
614.25:447:59
714.25:457:57
814.25:467:56
914.15:477:54
1014.15:487:53
1114.05:497:52
1214.05:507:50
1314.05:527:49
1413.95:537:47
1513.95:547:46
1613.85:557:44
1713.85:567:42
1813.75:577:41
1913.75:587:39
2013.66:007:38
2113.66:017:36
2213.56:027:34
2313.56:037:33
2413.46:047:31
2513.46:057:29
2613.36:077:27
2713.36:087:26
2813.36:097:24
2913.26:107:22
3013.26:117:20
3113.16:127:19

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 7.05 kWh/m².

For context, solar energy here swings from a low near 1.63 kWh/m² to a high of 8.03 kWh/m² in July across the year — August's 7.05 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.6Intense
27.6Intense
37.5Intense
47.5Intense
57.5Intense
67.4Intense
77.4Intense
87.3Intense
97.3Intense
107.3Intense
117.2Intense
127.2Intense
137.2Intense
147.1Intense
157.1Intense
167.1Intense
177.0Intense
187.0Intense
197.0Intense
206.9Intense
216.9Intense
226.8Intense
236.8Intense
246.7Intense
256.7Intense
266.6Intense
276.6Intense
286.5Intense
296.5Intense
306.4Intense
316.4Intense
Planning a trip in August

Is August a good time to visit Eagle?

Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.0
Sightseeing
5th-best month of the year
8.6
Beach & pool
1st-best month of the year

August is a reasonable time to visit Eagle for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Eagle in August

From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In August, Eagle sees daytime highs around 87°F and nights near 57°F. Pack light clothes and sun protection.

light clothessun protection

UV index in Eagle in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Eagle peaks around July 13 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 13UV 9Dec 14UV 1
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar4Moderate
Apr5High
May8Very high
Jun9Very high
Jul9Very high
Aug7Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low

Air quality in Eagle in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Eagle is worst in August — around 45 µg/m³ PM2.5 (poor), about 6.0× the cleanest month (December, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodAug 1742 µg/m³Dec 208 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar10Good
Apr10Good
May10Good
Jun8Good
Jul20Moderate
Aug45Poor
Sep21Moderate
Oct15Moderate
Nov9Good
Dec7Good
Location & terrain

Where is Eagle?

Eagle sits at 43.7°N, 116.4°W, 2,566 ft above sea level, in United States. The nearest listed city is Meridian, 6.2 mi away.

Topography around Eagle

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Eagle.

Within 2 miles, the terrain around Eagle has only modest variations in elevation — a maximum elevation change of 171 ft around an average of 2,585 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 3,274 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 7,116 ft.

The land around Eagle is covered by trees (42%), grassland (24%) and artificial surfaces (22%) within 2 miles, grassland (54%) within 10 miles, and grassland (64%) within 50 miles.

2 miles
171 ft
10 miles
3,274 ft
50 miles
7,116 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Meridian 6.2 mi · Boise 9.3 mi · Kuna 14 mi · Nampa 15 mi · Caldwell 17 mi · Twin Falls 124 mi · Pendleton 181 mi · Lewiston Orchards 188 mi

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
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

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 Eagle (43.6954°, -116.354°, elevation 2,566 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. 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).