National Weather Service Forecast for: Banning CA
Issued by: National Weather Service San Diego, CA
Updated: 8:40 pm PST Dec 22, 2025
 
Overnight

Overnight: Mostly cloudy, with a low around 51. Calm wind becoming west around 5 mph.
Mostly Cloudy
 Tuesday

Tuesday: A chance of showers, mainly after 4pm. Mostly cloudy, with a high near 63. West wind 5 to 10 mph becoming light southwest in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Chance
Showers
 Tuesday
Night
Tuesday Night: Showers, mainly after 10pm. Low around 51. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Showers
 Wednesday

Wednesday: Showers, with thunderstorms also possible after 10am. Some of the storms could produce heavy rainfall. High near 59. East wind 5 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.
Heavy Rain
 Wednesday
Night
Wednesday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 51. Southwest wind 10 to 15 mph becoming northwest 5 to 10 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Heavy Rain
 Christmas
Day
Christmas Day: Showers. High near 58. Chance of precipitation is 80%.
Showers
 Thursday
Night
Thursday Night: Showers. Low around 47. Chance of precipitation is 80%.
Showers
 Friday

Friday: Showers. Mostly cloudy, with a high near 55.
Showers
 Friday
Night
Friday Night: Showers likely, mainly before 10pm. Mostly cloudy, with a low around 41.
Showers
Likely
Lo 51 °F Hi 63 °F Lo 51 °F Hi 59 °F Lo 51 °F Hi 58 °F Lo 47 °F Hi 55 °F Lo 41 °F

Flood Watch
 

Overnight
 
 Mostly cloudy, with a low around 51. Calm wind becoming west around 5 mph.
Tuesday
 
 A chance of showers, mainly after 4pm. Mostly cloudy, with a high near 63. West wind 5 to 10 mph becoming light southwest in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
 
 Showers, mainly after 10pm. Low around 51. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
 
 Showers, with thunderstorms also possible after 10am. Some of the storms could produce heavy rainfall. High near 59. East wind 5 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.
Wednesday Night
 
 Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 51. Southwest wind 10 to 15 mph becoming northwest 5 to 10 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Christmas Day
 
 Showers. High near 58. Chance of precipitation is 80%.
Thursday Night
 
 Showers. Low around 47. Chance of precipitation is 80%.
Friday
 
 Showers. Mostly cloudy, with a high near 55.
Friday Night
 
 Showers likely, mainly before 10pm. Mostly cloudy, with a low around 41.
Saturday
 
 A slight chance of showers. Partly sunny, with a high near 56.
Saturday Night
 
 A slight chance of showers. Partly cloudy, with a low around 40.
Sunday
 
 Mostly sunny, with a high near 59.
Sunday Night
 
 A slight chance of showers. Partly cloudy, with a low around 44.
Monday
 
 A slight chance of showers. Mostly sunny, with a high near 62.

 

Forecast from NOAA-NWS for Banning CA.