National Weather Service Forecast for: Perris 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. Calm wind.
Partly Cloudy

Monday

Monday: Mostly sunny, with a high near 96. Calm wind becoming northwest around 5 mph in the afternoon.
Mostly Sunny

Monday
Night
Monday Night: Partly cloudy, with a low around 67. West wind around 5 mph becoming calm.
Partly Cloudy

Tuesday

Tuesday: Sunny, with a high near 101. Light and variable wind becoming northwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Sunny

Tuesday
Night
Tuesday Night: Mostly clear, with a low around 70. Northwest wind 5 to 10 mph becoming light and variable  in the evening. Winds could gust as high as 20 mph.
Mostly Clear

Wednesday

Wednesday: Sunny, with a high near 108.
Sunny

Wednesday
Night
Wednesday Night: Mostly clear, with a low around 74.
Mostly Clear

Thursday

Thursday: A chance of showers after 11am.  Mostly sunny, with a high near 104.
Chance
Showers
Thursday
Night
Thursday Night: A slight chance of showers before 11pm.  Partly cloudy, with a low around 69.
Slight Chance
Showers then
Mostly Clear
Lo 67 °F Hi 96 °F Lo 67 °F Hi 101 °F Lo 70 °F Hi 108 °F Lo 74 °F Hi 104 °F Lo 69 °F

Extreme Heat Watch
 

Tonight
 
Partly cloudy, with a low around 67. Calm wind.
Monday
 
Mostly sunny, with a high near 96. Calm wind becoming northwest around 5 mph in the afternoon.
Monday Night
 
Partly cloudy, with a low around 67. West wind around 5 mph becoming calm.
Tuesday
 
Sunny, with a high near 101. Light and variable wind becoming northwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Tuesday Night
 
Mostly clear, with a low around 70. Northwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Wednesday
 
Sunny, with a high near 108.
Wednesday Night
 
Mostly clear, with a low around 74.
Thursday
 
A chance of showers after 11am. Mostly sunny, with a high near 104.
Thursday Night
 
A slight chance of showers before 11pm. Partly cloudy, with a low around 69.
Friday
 
A chance of showers after 11am. Mostly sunny, with a high near 96.
Friday Night
 
A slight chance of showers. Partly cloudy, with a low around 67.
Saturday
 
A slight chance of showers. Mostly sunny, with a high near 94.
Saturday Night
 
A slight chance of showers. Mostly clear, with a low around 67.
Sunday
 
Sunny, with a high near 94.

 

Forecast from NOAA-NWS for Perris CA.