National Weather Service Forecast for: Mount Wilson CA
Issued by: National Weather Service Los Angeles/Oxnard, CA
Updated: 11:27 pm PDT Jun 29, 2026
 
Overnight

Overnight: Mostly cloudy, with a low around 47. South wind around 5 mph.
Mostly Cloudy

 Tuesday

Tuesday: Patchy drizzle before 11am. Cloudy through mid morning, then gradual clearing, with a high near 68. South southwest wind around 5 mph.
Patchy
Drizzle then
Sunny
 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 49. South southwest wind around 5 mph.
Mostly Clear

 Wednesday

Wednesday: Sunny, with a high near 66. South southwest wind 5 to 10 mph.
Sunny

 Wednesday
Night
Wednesday Night: Clear, with a low around 50. South southwest wind around 5 mph.
Clear

 Thursday

Thursday: Sunny, with a high near 70.
Sunny

 Thursday
Night
Thursday Night: Mostly clear, with a low around 54.
Mostly Clear

 Friday

Friday: Sunny, with a high near 73.
Sunny

 Friday
Night
Friday Night: Mostly clear, with a low around 57.
Mostly Clear
Lo 47 °F Hi 68 °F Lo 49 °F Hi 66 °F Lo 50 °F Hi 70 °F Lo 54 °F Hi 73 °F Lo 57 °F

 

Overnight
 
 Mostly cloudy, with a low around 47. South wind around 5 mph.
Tuesday
 
 Patchy drizzle before 11am. Cloudy through mid morning, then gradual clearing, with a high near 68. South southwest wind around 5 mph.
Tuesday Night
 
 Mostly clear, with a low around 49. South southwest wind around 5 mph.
Wednesday
 
 Sunny, with a high near 66. South southwest wind 5 to 10 mph.
Wednesday Night
 
 Clear, with a low around 50. South southwest wind around 5 mph.
Thursday
 
 Sunny, with a high near 70.
Thursday Night
 
 Mostly clear, with a low around 54.
Friday
 
 Sunny, with a high near 73.
Friday Night
 
 Mostly clear, with a low around 57.
Independence Day
 
 Sunny, with a high near 76.
Saturday Night
 
 Mostly clear, with a low around 61.
Sunday
 
 Sunny, with a high near 78.
Sunday Night
 
 Mostly clear, with a low around 62.
Monday
 
 Sunny, with a high near 79.

 

Forecast from NOAA-NWS for Mount Wilson CA.