National Weather Service Forecast for: Jamul CA
Issued by: National Weather Service San Diego, CA
Updated: 12:14 pm PDT Apr 6, 2026
 
Tonight

Tonight: Patchy fog after 2am.  Otherwise, partly cloudy, with a low around 50. West wind 5 to 10 mph becoming light and variable  in the evening.
Partly Cloudy
then Patchy
Fog
Tuesday

Tuesday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 77. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Patchy Fog
then Sunny
Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 52. West wind around 5 mph becoming calm  in the evening.
Partly Cloudy

Wednesday

Wednesday: Sunny, with a high near 78. Light southwest wind becoming west 5 to 10 mph in the afternoon.
Sunny

Wednesday
Night
Wednesday Night: Increasing clouds, with a low around 54. West wind around 5 mph becoming southeast after midnight.
Increasing
Clouds
Thursday

Thursday: Partly sunny, with a high near 75.
Partly Sunny

Thursday
Night
Thursday Night: Mostly cloudy, with a low around 54.
Mostly Cloudy

Friday

Friday: Mostly sunny, with a high near 75.
Mostly Sunny

Friday
Night
Friday Night: A chance of showers after 11pm.  Increasing clouds, with a low around 54.
Chance
Showers
Lo 50 °F Hi 77 °F Lo 52 °F Hi 78 °F Lo 54 °F Hi 75 °F Lo 54 °F Hi 75 °F Lo 54 °F

 

Tonight
 
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 50. West wind 5 to 10 mph becoming light and variable in the evening.
Tuesday
 
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 77. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Tuesday Night
 
Partly cloudy, with a low around 52. West wind around 5 mph becoming calm in the evening.
Wednesday
 
Sunny, with a high near 78. Light southwest wind becoming west 5 to 10 mph in the afternoon.
Wednesday Night
 
Increasing clouds, with a low around 54. West wind around 5 mph becoming southeast after midnight.
Thursday
 
Partly sunny, with a high near 75.
Thursday Night
 
Mostly cloudy, with a low around 54.
Friday
 
Mostly sunny, with a high near 75.
Friday Night
 
A chance of showers after 11pm. Increasing clouds, with a low around 54.
Saturday
 
Showers likely, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 66.
Saturday Night
 
A chance of showers. Mostly cloudy, with a low around 52.
Sunday
 
A chance of showers. Partly sunny, with a high near 64.
Sunday Night
 
Mostly cloudy, with a low around 50.
Monday
 
Partly sunny, with a high near 68.

 

Forecast from NOAA-NWS for Jamul CA.