National Weather Service Forecast for: Big Bear Lake CA
Issued by: National Weather Service San Diego, CA
Updated: 1:04 pm PDT Jun 19, 2026
 
Tonight

Tonight: Mostly clear, with a low around 39. South wind 5 to 10 mph.
Mostly Clear
 Saturday

Saturday: Sunny, with a high near 76. Southwest wind 5 to 10 mph.
Sunny
 Saturday
Night
Saturday Night: Clear, with a low around 40. South wind 5 to 10 mph.
Clear
 Sunday

Sunday: Sunny, with a high near 78. South wind 5 to 10 mph, with gusts as high as 20 mph.
Sunny
 Sunday
Night
Sunday Night: Clear, with a low around 41. West wind around 5 mph becoming calm.
Clear
 Monday

Monday: Sunny, with a high near 81.
Sunny
 Monday
Night
Monday Night: Clear, with a low around 45.
Clear
 Tuesday

Tuesday: Sunny, with a high near 86.
Sunny
 Tuesday
Night
Tuesday Night: Clear, with a low around 50.
Clear
Lo 39 °F Hi 76 °F Lo 40 °F Hi 78 °F Lo 41 °F Hi 81 °F Lo 45 °F Hi 86 °F Lo 50 °F

 

Tonight
 
 Mostly clear, with a low around 39. South wind 5 to 10 mph.
Saturday
 
 Sunny, with a high near 76. Southwest wind 5 to 10 mph.
Saturday Night
 
 Clear, with a low around 40. South wind 5 to 10 mph.
Sunday
 
 Sunny, with a high near 78. South wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
 
 Clear, with a low around 41. West wind around 5 mph becoming calm.
Monday
 
 Sunny, with a high near 81.
Monday Night
 
 Clear, with a low around 45.
Tuesday
 
 Sunny, with a high near 86.
Tuesday Night
 
 Clear, with a low around 50.
Wednesday
 
 Sunny, with a high near 87.
Wednesday Night
 
 Mostly clear, with a low around 49.
Thursday
 
 Sunny, with a high near 86.
Thursday Night
 
 Clear, with a low around 48.
Friday
 
 Sunny, with a high near 82.

 

Forecast from NOAA-NWS for Big Bear Lake CA.