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United States weather

Weather in Riverside County, California for March 2026

Your guide to Riverside County weather in March - trends and predictions

    Official Weather Alert ⚠️

  • Heat Advisory - See hour by hour.

    • Temperatures

  • Until now, March 2026 in Riverside County has been significantly warmer than historical averages.

  • The forecast for the next days in Riverside County predicts the temperature to be 31.6 °F, significantly warmer than the historical average.

  • In general, the average temperature in Riverside County at the beginning of March is 16.4 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 17.6 °F by the end of March.

    • Rain 🌧️

  • Riverside County in March brings notable rainfall, with an average of 18 rainy days and a total precipitation of 144.8 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
13
Dry days
Average rainy days
18
Rainy days
Average snowy days
0
Snow days
Average temperatures
17°/8°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
65 %
Avg humidity

Riverside County Weather March

Move between months or click on a day
February
April
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Light rain shower
17°
2
Sunny
15°
3
Sunny
17°
4
Sunny
18°
5
Mist
16°
6
Fog
15°
7
Overcast
17°
8
Mist
20°
9
Cloudy
21°
10
Cloudy
18°
11
Weather Alert Sunny
32°
12
Sunny
33°
13
Sunny
35°
14
Cloudy
28°
15
Sunny
31°
16
Sunny
33°
17
Sunny
36°
18
Sunny
36°
19
Sunny
36°
20
Sunny
35°
21
Sunny
31°
22
Sunny
25°
23
Sunny
26°
24
Sunny
25°
25
Mist
23°
26
Overcast
19°
27
Overcast
20°
28
Sunny
19°
29
Light rain
15°
30
Light rain shower
12°
31
Mist
15°

Temperatures trend during March in Riverside County

See the weather trend as well as the moving average line

March weather in Riverside County day by day

Click on a date for more information
February April
Date Weather Temperatures Rain UV More
Mar. 1 Light rain shower
Light rain shower
 17° /9° 1 mm 4
Mar. 2 Sunny
Sunny
 15° /8° 3.9 mm 4
Mar. 3 Sunny
Sunny
 17° /7° 0.3 mm 4
Mar. 4 Sunny
Sunny
 18° /8° 0 mm 5
Mar. 5 Mist
Mist
 16° /7° 9.7 mm 4
Mar. 6 Fog
Fog
 15° /7° 12.5 mm 3
Mar. 7 Overcast
Overcast
 17° /7° 1.6 mm 4
Mar. 8 Mist
Mist
 20° /7° 0 mm 5
Mar. 9 Cloudy
Cloudy
 21° /7° 0 mm 5
Mar. 10 Cloudy
Cloudy
 18° /9° 0.2 mm 5
Mar. 11 Sunny
Sunny
 32° /10° 0 mm 1.5
Mar. 12 Sunny
Sunny
 33° /15° 0 mm 1.6
Mar. 13 Sunny
Sunny
 35° /16° 0 mm 0
Mar. 14 Cloudy
Cloudy
 28° /17° 0 mm 5
Mar. 15 Sunny
Sunny
 31° /14° 0 mm 6
Mar. 16 Sunny
Sunny
 33° /17° 0 mm 6
Mar. 17 Sunny
Sunny
 36° /19° 0 mm 7
Mar. 18 Sunny
Sunny
 36° /20° 0 mm 7
Mar. 19 Sunny
Sunny
 36° /20° 0 mm 7
Mar. 20 Sunny
Sunny
 35° /20° 0 mm 7
Mar. 21 Sunny
Sunny
 31° /19° 0 mm 6
Mar. 22 Sunny
Sunny
 25° /16° 0 mm 5
Mar. 23 Sunny
Sunny
 26° /14° 0 mm 5
Mar. 24 Sunny
Sunny
 25° /14° 0 mm 5
Mar. 25 Mist
Mist
 23° /9° 0 mm 5
Mar. 26 Overcast
Overcast
 19° /7° 0 mm 4
Mar. 27 Overcast
Overcast
 20° /7° 0 mm 5
Mar. 28 Sunny
Sunny
 19° /9° 0 mm 5
Mar. 29 Light rain
Light rain
 15° /8° 1.2 mm 4
Mar. 30 Light rain shower
Light rain shower
 12° /7° 14.6 mm 3
Mar. 31 Mist
Mist
 15° /7° 3.2 mm 4
Next
Important Notice
Our weather forecast for Riverside County in March is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Riverside County forecast closer to your planned date for the most up-to-date weather information.
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Riverside County in March - FAQ

What are the expected maximum and minimum temperatures in Riverside County during March?

Enjoy moderate daytime temperatures of up to 17° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Riverside County during March?

Significant rainfall exceeding 144.8 mm is expected in Riverside County during March, occurring over more than 18 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Riverside County during March?

The average wind speed in Riverside County during March is 16 km/h, suggesting breezy to windy conditions, depending on your activities.

March rainfall patterns in Riverside County

Explore the daily rainfall trends and prepare for Riverside Countys March weather 💧
Typically, Riverside County has 18 rainy days in March with a total of 144.8 mm of rainfall.

UV exposure in Riverside County during March

Stay informed about UV levels for safe outdoor activities throughout the month of March ☀️
Top locations in Riverside County
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CoronaMoreno ValleyPalm SpringsRiverside
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Location coordinates Where is Riverside County?

Get accurate weather forecasts for Riverside County, located at latitude 33.953 and longitude -117.396. Stay updated with localized weather information tailored for Riverside County.

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