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Safety guides Use current official weather information for Riverside, California 92521 before making weather-sensitive plans.
Live weatherCheck live radar before leavingUse radar with the forecast to see how precipitation is moving.
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Open→Weather status
Extreme Heat Warning
Extreme Heat Warning issued August 23 at 1:54PM PDT until August 28 at 8:00PM PDT by NWS San Diego CA Expires Fri, 8:00 PM PDT.
Official NOAA / NWSWSR-88D DopplerUpdates every 5 minutes
Live Doppler radar
Animated Multi-Radar/Multi-Sensor reflectivity from the National Weather Service’s network of Doppler radars. Search a U.S. city, ZIP code, or street address to center the map on local weather, then zoom to neighborhood street detail.
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After loading, MyUSA.us shows the exact Doppler frame time, refresh controls, and an official NWS fallback if the map is unavailable.Doppler radar and warnings: NOAA/National Weather Service · Map: OpenFreeMap, OpenMapTiles and OpenStreetMap contributors. Radar can be delayed briefly during service updates.
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What’s next
Hourly forecast
Check the latest hourly conditions, seven-day outlook, rain timing, wind, sunrise and sunset for Riverside, California 92521. Forecasts and alerts update from NOAA and the National Weather Service.
101°Sunny1% rain100°Sunny4% rain
100°Mostly Clear4% rain96°Mostly Clear4% rain93°Mostly Clear4% rain92°Mostly Clear4% rain91°Mostly Clear4% rain
89°Mostly Cloudy1% rainNext 24 hours
Rain Timeline
No meaningful precipitation is expected in the official hourly forecast.
1%None
4%None
4%None
4%None
4%None
4%None
4%None
1%None
1%None
1%None
1%None
1%None
1%None
10%None
10%None
10%None
10%None
10%None
10%None
7%None
7%None
7%None
7%None
7%None
Official NWS outlook
7-Day Forecast
Today
! NWS102°80°
Sunny
- Precipitation
- 10%
- Wind
- S 15 mph
- Sunrise
- 6:13 AM
- Sunset
- 7:23 PM
Mon
98°82°
Sunny
- Precipitation
- 10%
- Wind
- SW 5 to 10 mph
- Sunrise
- 6:13 AM
- Sunset
- 7:22 PM
Tue
101°84°
Sunny
- Precipitation
- 3%
- Wind
- W 5 to 10 mph
- Sunrise
- 6:14 AM
- Sunset
- 7:20 PM
Wed
103°85°
Sunny
- Precipitation
- 3%
- Wind
- SW 5 to 10 mph
- Sunrise
- 6:15 AM
- Sunset
- 7:19 PM
Thu
103°85°
Sunny
- Precipitation
- 5%
- Wind
- SW 5 to 10 mph
- Sunrise
- 6:16 AM
- Sunset
- 7:18 PM
Fri
102°83°
Mostly Sunny
- Precipitation
- 4%
- Wind
- SW 5 to 10 mph
- Sunrise
- 6:16 AM
- Sunset
- 7:17 PM
Sat
102°83°
Sunny
- Precipitation
- 4%
- Wind
- W 10 mph
- Sunrise
- 6:17 AM
- Sunset
- 7:15 PM
Forecasts, icons, precipitation, wind, and alerts are from the National Weather Service. Sunrise and sunset are calculated locally for the selected coordinates.
Weather for a healthier day
Healthy Weather
Real Feel113°F
Walking is not recommended now
Review the active Extreme Heat Warning before going outside. MyUSA.us will not recommend this activity while an NWS watch, warning, or emergency is active.
WindSE20 mph
Best walk timeReview the active Extreme Heat Warning before leaving
MyUSA.us will not recommend an outing window while an NWS watch, warning, or emergency is active. Follow the official alert and local instructions.
Official EPA AirNowLocal air qualityRiverside, California 92521View AQI +
More weather details
Wind gusts26mph
Rain now1%next hour
Humidity19%current
UV indexCheckingEPA forecast
Wind impact: Breezy — cycling, umbrellas, and loose outdoor items may be affected.
“Better weather window” is planning guidance based on official NWS data—not a promise of safe conditions. Review active alerts and radar before leaving.
Storm & DetailsGusts, pressure, visibility and official risk outlooksView details +
Wind gust26 mph
Pressure29.67 in
Visibility—
Peak rain chance10%
Dew point61°F
Active alerts1
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