National Weather Service Forecast for: 5 Miles SE San Jacinto CA
Issued by: National Weather Service San Diego, CA
Updated: 12:34 am PDT Aug 20, 2026
 
Overnight

Overnight: Mostly clear, with a low around 72. Calm wind.
Mostly Clear
Thursday

Thursday: Mostly sunny, with a high near 104. Light and variable wind becoming west 5 to 10 mph in the morning.
Mostly Sunny
Thursday
Night
Thursday Night: Mostly clear, with a low around 71. Northwest wind around 5 mph becoming calm.
Mostly Clear
Friday

Friday: Sunny, with a high near 103. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Sunny
Friday
Night
Friday Night: Mostly clear, with a low around 70. Southwest wind around 5 mph becoming calm  in the evening.
Mostly Clear
Saturday

Saturday: Sunny, with a high near 102.
Sunny
Saturday
Night
Saturday Night: Mostly clear, with a low around 70.
Mostly Clear
Sunday

Sunday: Sunny, with a high near 101.
Sunny
Sunday
Night
Sunday Night: Mostly clear, with a low around 70.
Mostly Clear
Lo 72 °F Hi 104 °F Lo 71 °F Hi 103 °F Lo 70 °F Hi 102 °F Lo 70 °F Hi 101 °F Lo 70 °F

Heat Advisory
 

Overnight
 
Mostly clear, with a low around 72. Calm wind.
Thursday
 
Mostly sunny, with a high near 104. Light and variable wind becoming west 5 to 10 mph in the morning.
Thursday Night
 
Mostly clear, with a low around 71. Northwest wind around 5 mph becoming calm.
Friday
 
Sunny, with a high near 103. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
 
Mostly clear, with a low around 70. Southwest wind around 5 mph becoming calm in the evening.
Saturday
 
Sunny, with a high near 102.
Saturday Night
 
Mostly clear, with a low around 70.
Sunday
 
Sunny, with a high near 101.
Sunday Night
 
Mostly clear, with a low around 70.
Monday
 
Sunny, with a high near 101.
Monday Night
 
Mostly clear, with a low around 70.
Tuesday
 
Sunny, with a high near 102.
Tuesday Night
 
Mostly clear, with a low around 71.
Wednesday
 
A slight chance of showers. Sunny, with a high near 102.

 

Forecast from NOAA-NWS for 5 Miles SE San Jacinto CA.