Poway weather in March

In March, Poway sees average daytime highs of 66°F and overnight lows near 48°F, with 2.5 in of rain across 6.4 wet days and about 11.7 hours of daylight. It is the 9th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 66°F through the month. The sky is clear or mostly clear about 43% of the time in March, and the air most often feels dry.

Daylight stretches from about 11 h 12 min at the start of March to 12 h 18 min by month's end. Set against the rest of the year, March is Poway's 11th-clearest and 4th-windiest month. For the whole year in context, see Poway's year-round climate.

Daytime high
66°
9th warmest
Overnight low
48°
4th coldest
Rainfall
2.5 in
6.4 wet days
Daylight
11 h 42 min
6:05 AM – 5:50 PM
Cloud cover
47%
11th clearest
Wind
4 mph
4th windiest
Solar energy
5.53 kWh/m²
Travel score
6.8
out of 10

Poway is city in San Diego County, California, United States.

Density
494/km²
people per km²
Founded
1980

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

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 66°F through the month.

A typical March day in Poway reaches about 66°F in the afternoon and slips back to 48°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 57°F and 75°F. Set against its neighbours, March runs about 2°F warmer than February and about 3°F cooler than April.

30°40°50°60°70°80°151015202531
Avg high (°F)Avg low (°F)
16446
26447
36547
46547
56547
66547
76547
86547
96647
106647
116648
126648
136648
146648
156648
166648
176648
186648
196649
206649
216649
226649
236649
246649
256649
266649
276649
286649
296649
306649
316749

Poway weather by month

How March compares with the rest of the year at a glance. March is the 9th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan64° / 44°2.96.210.16.7
Feb64° / 46°3.87.410.86.3
Mar66° / 48°2.56.411.76.8
Apr69° / 51°1.24.412.87.6
May72° / 55°0.62.613.78.3
Jun77° / 59°0.10.614.19.2
Jul81° / 64°0.11148.6
Aug83° / 65°0.10.513.27.9
Sep82° / 63°0.2112.28.3
Oct77° / 57°0.82.811.28.6
Nov70° / 50°1.33.710.37.9
Dec64° / 44°2.35.49.96.7

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 16% of March, with mostly cloudy or overcast conditions the remaining 41%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25545
35545
45545
55743
65743
75842
85941
95941
106040
116139
126238
136139
146238
156139
166238
176139
186040
196040
206040
215941
225941
235941
245941
255941
265941
275941
285941
296040
306139
316139

Chance of precipitation in March

Any precipitation

Poway gets around 2.5 in of rain over 6.4 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 22% and peaks near 27% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
127
227
326
425
525
624
723
823
922
1022
1122
1221
1321
1421
1521
1621
1721
1821
1921
2021
2121
2221
2321
2420
2520
2620
2719
2819
2918
3018
3118

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the dry band about 98% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1991
2991
3991
4982
5982
6982
7982
8982
9982
10982
11973
12973
13973
14973
15973
16973
17973
18973
19973
20973
21973
22973
23973
24973
25982
26982
27982
28982
29982
30982
31982

Wind in March

Winds average 4 mph in March.

Across March, daily wind ranges from about 4 mph on the calmest days to 4 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 11 h 12 min at the start of March to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 66 minutes over March. Sunrise moves from 6:24 AM to 5:45 AM, and sunset from 5:38 PM to 6:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:245:38
211.36:235:39
311.36:225:40
411.36:215:41
511.46:205:42
611.46:185:42
711.46:175:43
811.56:165:44
911.56:155:45
1011.56:135:46
1111.66:125:46
1211.66:115:47
1311.66:095:48
1411.76:085:49
1511.76:075:49
1611.76:055:50
1711.86:045:51
1811.86:035:52
1911.96:015:52
2011.96:005:53
2111.95:595:54
2212.05:575:55
2312.05:565:55
2412.05:555:56
2512.15:535:57
2612.15:525:58
2712.15:505:58
2812.25:495:59
2912.25:486:00
3012.25:466:00
3112.35:456:01

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 5.53 kWh/m².

For context, solar energy here swings from a low near 3.13 kWh/m² to a high of 8.17 kWh/m² in June across the year — March's 5.53 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.8Bright
34.8Bright
44.9Bright
55.0Bright
65.0Bright
75.1Bright
85.2Bright
95.2Bright
105.3Bright
115.3Bright
125.4Bright
135.4Bright
145.5Bright
155.5Bright
165.6Bright
175.6Bright
185.6Bright
195.7Bright
205.7Bright
215.8Bright
225.8Bright
235.8Bright
245.9Bright
255.9Bright
266.0Bright
276.0Bright
286.0Intense
296.1Intense
306.1Intense
316.2Intense
Planning a trip in March

Is March a good time to visit Poway?

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

6.8
Sightseeing
9th-best month of the year
2.8
Beach & pool
9th-best month of the year

March is a reasonable time to visit Poway for sightseeing.

What to pack for Poway in March

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

In March, Poway sees daytime highs around 66°F and nights near 48°F. Worth packing: sun protection. About 6 days see rain.

sun protection

Sea temperature near Poway in March

The nearest coast averages about 60°F in March — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 21 mi away) is warmest in August at about 70°F and coldest in February near 59°F.

It's comfortable for a long swim from Jul 8 to Oct 6 — about 3 months when the water holds above 68°F.

60°65°70°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingcomfortable to swim
Sea temperature (°F)Comfort
Jan60Cool
Feb59Cool
Mar60Cool
Apr61Cool
May64Cool
Jun66Cool
Jul69Refreshing
Aug70Refreshing
Sep70Refreshing
Oct67Cool
Nov64Cool
Dec61Cool

UV index in Poway in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Poway peaks around June 23 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 23UV 11Dec 17UV 3
UV index (midday)Level
Jan4Moderate
Feb5Moderate
Mar5High
Apr8Very high
May8Very high
Jun11Extreme
Jul11Extreme
Aug10Extreme
Sep8Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Poway in March

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Poway is worst in September — around 26 µg/m³ PM2.5 (moderate), about 3.4× the cleanest month (May, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateSep 1625 µg/m³May 168 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb12Moderate
Mar12Moderate
Apr11Good
May8Good
Jun11Good
Jul11Good
Aug15Moderate
Sep26Moderate
Oct14Moderate
Nov12Moderate
Dec16Moderate
Location & terrain

Where is Poway?

Poway sits at 33.0°N, 117.0°W, 515 ft above sea level, in United States. The nearest listed city is Rancho Penasquitos, 4.3 mi away.

Topography around Poway

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

Within 2 miles, the terrain around Poway has significant variations in elevation — a maximum elevation change of 837 ft around an average of 663 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 2,812 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 6,808 ft.

The land around Poway is covered by artificial surfaces (47%) and shrubs (20%) within 2 miles, shrubs (30%), trees (25%) and artificial surfaces (23%) within 10 miles, and shrubs (28%) and water (24%) within 50 miles.

2 miles
837 ft
10 miles
2,812 ft
50 miles
6,808 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
March weather nearby: Rancho Penasquitos 4.3 mi · Mira Mesa 6.8 mi · Santee 9.3 mi · Lakeside 9.9 mi · Winter Gardens 11 mi · Ramona 11 mi · Escondido 11 mi · Bostonia 12 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 Poway (32.9628°, -117.0359°, elevation 515 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).