National Weather Service Forecast for: Riverside Municipal CA
Issued by: National Weather Service San Diego, CA
Updated: 12:05 pm PDT Jul 12, 2026
 
Tonight

Tonight: Partly cloudy, with a low around 67. West wind 5 to 10 mph becoming light  after midnight. Winds could gust as high as 20 mph.
Partly Cloudy

Monday

Monday: Mostly sunny, with a high near 93. Light west wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Mostly Sunny

Monday
Night
Monday Night: Partly cloudy, with a low around 68. West wind 5 to 10 mph becoming light  after midnight.
Partly Cloudy

Tuesday

Tuesday: Sunny, with a high near 98. Light southwest wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Sunny

Tuesday
Night
Tuesday Night: Mostly clear, with a low around 72. West wind 10 to 15 mph becoming light  in the evening. Winds could gust as high as 20 mph.
Mostly Clear

Wednesday

Wednesday: Sunny, with a high near 105.
Sunny

Wednesday
Night
Wednesday Night: Mostly clear, with a low around 76.
Mostly Clear

Thursday

Thursday: A slight chance of showers after 11am.  Mostly sunny, with a high near 101.
Slight Chance
Showers
Thursday
Night
Thursday Night: A slight chance of showers before 11pm.  Partly cloudy, with a low around 70.
Slight Chance
Showers then
Mostly Clear
Lo 67 °F Hi 93 °F Lo 68 °F Hi 98 °F Lo 72 °F Hi 105 °F Lo 76 °F Hi 101 °F Lo 70 °F

Extreme Heat Watch
 

Tonight
 
Partly cloudy, with a low around 67. West wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph.
Monday
 
Mostly sunny, with a high near 93. Light west wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
 
Partly cloudy, with a low around 68. West wind 5 to 10 mph becoming light after midnight.
Tuesday
 
Sunny, with a high near 98. Light southwest wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
 
Mostly clear, with a low around 72. West wind 10 to 15 mph becoming light in the evening. Winds could gust as high as 20 mph.
Wednesday
 
Sunny, with a high near 105.
Wednesday Night
 
Mostly clear, with a low around 76.
Thursday
 
A slight chance of showers after 11am. Mostly sunny, with a high near 101.
Thursday Night
 
A slight chance of showers before 11pm. Partly cloudy, with a low around 70.
Friday
 
A slight chance of showers after 11am. Mostly sunny, with a high near 94.
Friday Night
 
A slight chance of showers. Partly cloudy, with a low around 68.
Saturday
 
A slight chance of showers. Mostly sunny, with a high near 92.
Saturday Night
 
A slight chance of showers. Mostly clear, with a low around 67.
Sunday
 
A slight chance of showers. Sunny, with a high near 92.

 

Forecast from NOAA-NWS for Riverside Municipal CA.