National Weather Service Forecast for: 3 Miles NNW San Jacinto CA
Issued by: National Weather Service San Diego, CA
Updated: 11:14 am PDT Mar 19, 2026
 
This
Afternoon
This Afternoon: Sunny, with a high near 100. West wind around 5 mph.
Sunny
 Tonight

Tonight: Clear, with a low around 64. West wind around 5 mph becoming calm in the evening.
Clear
 Friday

Friday: Sunny, with a high near 99. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Sunny
 Friday
Night
Friday Night: Clear, with a low around 62. West wind around 5 mph becoming calm in the evening.
Clear
 Saturday

Saturday: Sunny, with a high near 92. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Sunny
 Saturday
Night
Saturday Night: Partly cloudy, with a low around 59.
Partly Cloudy
 Sunday

Sunday: Mostly sunny, with a high near 90.
Mostly Sunny
 Sunday
Night
Sunday Night: Mostly clear, with a low around 60.
Mostly Clear
 Monday

Monday: Sunny, with a high near 92.
Sunny
Hi 100 °F Lo 64 °F Hi 99 °F Lo 62 °F Hi 92 °F Lo 59 °F Hi 90 °F Lo 60 °F Hi 92 °F

Heat Advisory
 

This Afternoon
 
 Sunny, with a high near 100. West wind around 5 mph.
Tonight
 
 Clear, with a low around 64. West wind around 5 mph becoming calm in the evening.
Friday
 
 Sunny, with a high near 99. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
 
 Clear, with a low around 62. West wind around 5 mph becoming calm in the evening.
Saturday
 
 Sunny, with a high near 92. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
 
 Partly cloudy, with a low around 59.
Sunday
 
 Mostly sunny, with a high near 90.
Sunday Night
 
 Mostly clear, with a low around 60.
Monday
 
 Sunny, with a high near 92.
Monday Night
 
 Mostly clear, with a low around 60.
Tuesday
 
 Sunny, with a high near 94.
Tuesday Night
 
 Clear, with a low around 61.
Wednesday
 
 Sunny, with a high near 93.

 

Forecast from NOAA-NWS for 3 Miles NNW San Jacinto CA.