National Weather Service Forecast for: Jamul 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 64. West wind around 5 mph becoming calm  in the evening.
Partly Cloudy

Monday

Monday: Partly sunny, with a high near 84. Light southwest wind becoming west 5 to 10 mph in the morning.
Partly Sunny

Monday
Night
Monday Night: Partly cloudy, with a low around 65. West wind around 5 mph becoming calm  in the evening.
Partly Cloudy

Tuesday

Tuesday: Mostly sunny, with a high near 89. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Mostly Sunny

Tuesday
Night
Tuesday Night: Mostly clear, with a low around 68. West wind 5 to 10 mph becoming light  in the evening.
Mostly Clear

Wednesday

Wednesday: Sunny, with a high near 95.
Sunny

Wednesday
Night
Wednesday Night: Mostly clear, with a low around 72.
Mostly Clear

Thursday

Thursday: A chance of showers after 11am.  Mostly sunny, with a high near 90.
Chance
Showers
Thursday
Night
Thursday Night: A slight chance of showers before 11pm.  Partly cloudy, with a low around 68.
Slight Chance
Showers then
Partly Cloudy
Lo 64 °F Hi 84 °F Lo 65 °F Hi 89 °F Lo 68 °F Hi 95 °F Lo 72 °F Hi 90 °F Lo 68 °F

Extreme Heat Watch
 

Tonight
 
Partly cloudy, with a low around 64. West wind around 5 mph becoming calm in the evening.
Monday
 
Partly sunny, with a high near 84. Light southwest wind becoming west 5 to 10 mph in the morning.
Monday Night
 
Partly cloudy, with a low around 65. West wind around 5 mph becoming calm in the evening.
Tuesday
 
Mostly sunny, with a high near 89. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
 
Mostly clear, with a low around 68. West wind 5 to 10 mph becoming light in the evening.
Wednesday
 
Sunny, with a high near 95.
Wednesday Night
 
Mostly clear, with a low around 72.
Thursday
 
A chance of showers after 11am. Mostly sunny, with a high near 90.
Thursday Night
 
A slight chance of showers before 11pm. Partly cloudy, with a low around 68.
Friday
 
A slight chance of showers after 11am. Mostly sunny, with a high near 86.
Friday Night
 
A slight chance of showers. Partly cloudy, with a low around 67.
Saturday
 
A slight chance of showers. Mostly cloudy, then gradually becoming sunny, with a high near 86.
Saturday Night
 
Mostly clear, with a low around 66.
Sunday
 
Mostly sunny, with a high near 84.

 

Forecast from NOAA-NWS for Jamul CA.