National Weather Service Forecast for: Calimesa CA
Issued by: National Weather Service San Diego, CA
Updated: 12:05 pm PDT Jul 12, 2026
 
This
Afternoon
This Afternoon: Partly sunny, with a high near 93. West wind around 5 mph.
Partly Sunny
Tonight

Tonight: Partly cloudy, with a low around 66. West wind around 5 mph becoming calm  in the evening.
Partly Cloudy
Monday

Monday: A slight chance of showers and thunderstorms after 11am.  Increasing clouds, with a high near 92. Calm wind becoming west around 5 mph in the morning.  Chance of precipitation is 20%.
Slight Chance
T-storms
Monday
Night
Monday Night: Mostly cloudy, with a low around 66. West wind around 5 mph becoming calm  in the evening.
Mostly Cloudy
Tuesday

Tuesday: Mostly sunny, with a high near 96. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Mostly Sunny
Tuesday
Night
Tuesday Night: Mostly clear, with a low around 70.
Mostly Clear
Wednesday

Wednesday: Sunny, with a high near 103.
Sunny
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 73.
Mostly Clear
Thursday

Thursday: A chance of showers after 11am.  Mostly sunny, with a high near 99.
Chance
Showers
Hi 93 °F Lo 66 °F Hi 92 °F Lo 66 °F Hi 96 °F Lo 70 °F Hi 103 °F Lo 73 °F Hi 99 °F

Extreme Heat Watch
 

This Afternoon
 
Partly sunny, with a high near 93. West wind around 5 mph.
Tonight
 
Partly cloudy, with a low around 66. West wind around 5 mph becoming calm in the evening.
Monday
 
A slight chance of showers and thunderstorms after 11am. Increasing clouds, with a high near 92. Calm wind becoming west around 5 mph in the morning. Chance of precipitation is 20%.
Monday Night
 
Mostly cloudy, with a low around 66. West wind around 5 mph becoming calm in the evening.
Tuesday
 
Mostly sunny, with a high near 96. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Tuesday Night
 
Mostly clear, with a low around 70.
Wednesday
 
Sunny, with a high near 103.
Wednesday Night
 
Mostly clear, with a low around 73.
Thursday
 
A chance of showers after 11am. Mostly sunny, with a high near 99.
Thursday Night
 
A slight chance of showers. Partly cloudy, with a low around 68.
Friday
 
A chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Friday Night
 
A chance of showers. Partly cloudy, with a low around 66.
Saturday
 
A chance of showers. Mostly sunny, with a high near 89.

 

Forecast from NOAA-NWS for Calimesa CA.