National Weather Service Forecast for: Mount Wilson CA
Issued by: National Weather Service Los Angeles/Oxnard, CA
Updated: 9:01 pm PST Dec 4, 2025
 
Tonight

Tonight: Clear, with a low around 40. North northeast wind around 10 mph.
Clear
 Friday

Friday: Sunny, with a high near 56. North northeast wind around 5 mph.
Sunny
 Friday
Night
Friday Night: Clear, with a low around 43. North northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Clear
 Saturday

Saturday: Sunny, with a high near 56. Northwest wind 5 to 10 mph.
Sunny
 Saturday
Night
Saturday Night: Clear, with a low around 44. North northeast wind around 10 mph.
Clear
 Sunday

Sunday: Sunny, with a high near 59.
Sunny
 Sunday
Night
Sunday Night: Clear, with a low around 48.
Clear
 Monday

Monday: Sunny, with a high near 63.
Sunny
 Monday
Night
Monday Night: Clear, with a low around 51.
Clear
Lo 40 °F Hi 56 °F Lo 43 °F Hi 56 °F Lo 44 °F Hi 59 °F Lo 48 °F Hi 63 °F Lo 51 °F

 

Tonight
 
 Clear, with a low around 40. North northeast wind around 10 mph.
Friday
 
 Sunny, with a high near 56. North northeast wind around 5 mph.
Friday Night
 
 Clear, with a low around 43. North northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday
 
 Sunny, with a high near 56. Northwest wind 5 to 10 mph.
Saturday Night
 
 Clear, with a low around 44. North northeast wind around 10 mph.
Sunday
 
 Sunny, with a high near 59.
Sunday Night
 
 Clear, with a low around 48.
Monday
 
 Sunny, with a high near 63.
Monday Night
 
 Clear, with a low around 51.
Tuesday
 
 Sunny, with a high near 66.
Tuesday Night
 
 Mostly clear, with a low around 53.
Wednesday
 
 Sunny, with a high near 67.
Wednesday Night
 
 Clear, with a low around 52.
Thursday
 
 Sunny, with a high near 66.

 

Forecast from NOAA-NWS for Mount Wilson CA.