National Weather Service Forecast for: Riverside Municipal CA
Issued by: National Weather Service San Diego, CA
Updated: 2:58 am PST Dec 22, 2025
 
Today

Today: Areas of fog between 7am and 10am. Otherwise, partly sunny, with a high near 74. Calm wind becoming west around 5 mph in the afternoon.
Areas Fog
then Partly
Sunny
 Tonight

Tonight: Mostly cloudy, with a low around 51. Calm wind.
Mostly Cloudy

 Tuesday

Tuesday: Rain likely, mainly after 4pm. Cloudy, with a high near 68. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Slight Chance
Rain then
Rain Likely
 Tuesday
Night
Tuesday Night: Rain. The rain could be heavy at times. Low around 57. Southeast wind around 10 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Heavy Rain

 Wednesday

Wednesday: Rain, with thunderstorms also possible after 10am. Some of the storms could produce heavy rainfall. High near 64. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Heavy Rain

 Wednesday
Night
Wednesday Night: Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 51. Chance of precipitation is 100%.
Heavy Rain

 Christmas
Day
Christmas Day: Rain. High near 64. Chance of precipitation is 80%.
Rain

 Thursday
Night
Thursday Night: Showers. Cloudy, with a low around 49.
Showers

 Friday

Friday: Showers. Mostly cloudy, with a high near 62.
Showers
Hi 74 °F Lo 51 °F Hi 68 °F Lo 57 °F Hi 64 °F Lo 51 °F Hi 64 °F Lo 49 °F Hi 62 °F

Air Quality Alert
Flood Watch
Dense Fog Advisory
 

Today
 
 Areas of fog between 7am and 10am. Otherwise, partly sunny, with a high near 74. Calm wind becoming west around 5 mph in the afternoon.
Tonight
 
 Mostly cloudy, with a low around 51. Calm wind.
Tuesday
 
 Rain likely, mainly after 4pm. Cloudy, with a high near 68. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
 
 Rain. The rain could be heavy at times. Low around 57. Southeast wind around 10 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Wednesday
 
 Rain, with thunderstorms also possible after 10am. Some of the storms could produce heavy rainfall. High near 64. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Wednesday Night
 
 Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 51. Chance of precipitation is 100%.
Christmas Day
 
 Rain. High near 64. Chance of precipitation is 80%.
Thursday Night
 
 Showers. Cloudy, with a low around 49.
Friday
 
 Showers. Mostly cloudy, with a high near 62.
Friday Night
 
 A chance of showers. Mostly cloudy, with a low around 43.
Saturday
 
 A chance of showers. Mostly sunny, with a high near 64.
Saturday Night
 
 A slight chance of showers. Partly cloudy, with a low around 42.
Sunday
 
 A slight chance of showers. Mostly sunny, with a high near 66.

 

Forecast from NOAA-NWS for Riverside Municipal CA.