National Weather Service Forecast for: San Jacinto CA
Issued by: National Weather Service San Diego, CA
Updated: 4:13 pm PDT Jul 25, 2025
 
Tonight

Tonight: Patchy fog after 2am.  Otherwise, mostly clear, with a low around 54. Southwest wind 5 to 10 mph becoming light west  after midnight. Winds could gust as high as 20 mph.
Mostly Clear
then Patchy
Fog
Saturday

Saturday: Patchy fog before 8am.  Otherwise, sunny, with a high near 87. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Patchy Fog
then Sunny
Saturday
Night
Saturday Night: Mostly clear, with a low around 55. Southwest wind around 5 mph becoming calm  in the evening.
Mostly Clear

Sunday

Sunday: Sunny, with a high near 90. Calm wind becoming west around 5 mph in the afternoon.
Sunny

Sunday
Night
Sunday Night: Mostly clear, with a low around 59. West wind around 5 mph becoming calm  in the evening.
Mostly Clear

Monday

Monday: Sunny, with a high near 94.
Sunny

Monday
Night
Monday Night: Mostly clear, with a low around 61.
Mostly Clear

Tuesday

Tuesday: Sunny, with a high near 96.
Sunny

Tuesday
Night
Tuesday Night: Mostly clear, with a low around 62.
Mostly Clear

Lo 54 °F Hi 87 °F Lo 55 °F Hi 90 °F Lo 59 °F Hi 94 °F Lo 61 °F Hi 96 °F Lo 62 °F

 

Tonight
 
Patchy fog after 2am. Otherwise, mostly clear, with a low around 54. Southwest wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 20 mph.
Saturday
 
Patchy fog before 8am. Otherwise, sunny, with a high near 87. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Saturday Night
 
Mostly clear, with a low around 55. Southwest wind around 5 mph becoming calm in the evening.
Sunday
 
Sunny, with a high near 90. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
 
Mostly clear, with a low around 59. West wind around 5 mph becoming calm in the evening.
Monday
 
Sunny, with a high near 94.
Monday Night
 
Mostly clear, with a low around 61.
Tuesday
 
Sunny, with a high near 96.
Tuesday Night
 
Mostly clear, with a low around 62.
Wednesday
 
Sunny, with a high near 97.
Wednesday Night
 
Mostly clear, with a low around 62.
Thursday
 
Sunny, with a high near 96.
Thursday Night
 
Mostly clear, with a low around 63.
Friday
 
Sunny, with a high near 96.

 

Forecast from NOAA-NWS for San Jacinto CA.