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 93.
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
- Oct 9 to Oct 11, 2026
- Latest sync
- Oct 5, 2026 8:37 AM PDT
- Forecast office
- PSR
- Source
- NOAA / NWS
Daily Outlook
This Week in Riverside County
Friday looks like the warmest upcoming period in Riverside County at 93 degrees F.
Sunday Night is the coolest period ahead with temperatures near 63 degrees F.
The strongest winds are forecast for Sunday at about 5 to 15 mph SW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 5, 2026 8:37 AM PDT
- Coverage
- 4 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 73.
Sunny, with a high near 88.
Mostly clear, with a low around 69.
A slight chance of rain showers after 5pm. Sunny, with a high near 84.
A slight chance of rain showers before 11pm. Mostly clear, with a low around 63.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Oct 9
|
Sunny
|
93°F |
5 to 10 mph
E
|
|
Friday Night
Oct 9
|
Mostly Clear
|
73°F |
0 to 5 mph
NE
|
|
Saturday
Oct 10
|
Sunny
|
88°F |
5 to 10 mph
SE
|
|
Saturday Night
Oct 10
|
Mostly Clear
|
69°F |
5 to 10 mph
W
|
|
Sunday
Oct 11
|
Sunny then Slight Chance Rain Showers
|
84°F |
5 to 15 mph
SW
|
|
Sunday Night
Oct 11
|
Slight Chance Rain Showers then Mostly Clear
|
63°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.
