Riverside County, CA Weather Forecast
County weather hub
Sunny
Compare major city weather across Riverside County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 100. Southwest wind 5 to 10 mph.
County Weather Overview
This county weather page brings together forecast coverage for Riverside County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 29 of 29 mapped cities in Riverside County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Aug 24 to Aug 28, 2026
- Latest sync
- Aug 22, 2026 2:53 PM PDT
- Forecast office
- PSR
- Source
- NOAA / NWS
Daily Outlook
This Week in Riverside County
Wednesday looks like the warmest upcoming period in Riverside County at 106 degrees F.
Monday Night is the coolest period ahead with temperatures near 82 degrees F.
The strongest winds are forecast for Wednesday at about 5 to 15 mph SW.
The forecast from Aug 24 through Aug 28 stays mostly dry.
Forecast Details
- Last updated
- Aug 22, 2026 2:53 PM PDT
- Coverage
- 6 days
- Time zone
- America/Los_Angeles
- Forecast office
- PSR
- Radar station
- KNKX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 82.
Sunny, with a high near 102.
Mostly clear, with a low around 84.
Sunny, with a high near 106.
Mostly clear, with a low around 84.
Sunny, with a high near 106.
Mostly clear, with a low around 84.
Sunny, with a high near 106.
Mostly clear, with a low around 84.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Aug 24
|
Sunny
|
100°F |
5 to 10 mph
SW
|
|
Monday Night
Aug 24
|
Mostly Clear
|
82°F |
5 to 10 mph
NW
|
|
Tuesday
Aug 25
|
Sunny
|
102°F |
5 to 10 mph
SW
|
|
Tuesday Night
Aug 25
|
Mostly Clear
|
84°F |
5 to 10 mph
NW
|
|
Wednesday
Aug 26
|
Sunny
|
106°F |
5 to 15 mph
SW
|
|
Wednesday Night
Aug 26
|
Mostly Clear
|
84°F |
5 to 10 mph
NW
|
|
Thursday
Aug 27
|
Sunny
|
106°F |
5 to 10 mph
S
|
|
Thursday Night
Aug 27
|
Mostly Clear
|
84°F |
5 to 10 mph
W
|
|
Friday
Aug 28
|
Sunny
|
106°F |
5 to 10 mph
SW
|
|
Friday Night
Aug 28
|
Mostly Clear
|
84°F |
5 to 10 mph
W
|
Major City Forecasts
Live forecast snapshots for major cities across Riverside County.
Coverage
Forecast coverage currently spans 29 of 29 mapped cities in Riverside County.
Largest mapped city population in this region: 330,786.
