National Weather Service Forecast for: Mount Wilson CA
Issued by: National Weather Service Los Angeles/Oxnard, CA
Updated: 5:57 am PST Dec 22, 2025
 
Today

Today: Partly sunny, with a high near 61. East southeast wind around 5 mph becoming calm in the morning.
Partly Sunny

 Tonight

Tonight: Mostly cloudy, with a low around 46. Calm wind becoming southeast around 5 mph.
Mostly Cloudy

 Tuesday

Tuesday: Showers, mainly after 4pm. High near 51. South southeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Chance
Showers then
Showers
 Tuesday
Night
Tuesday Night: Showers. The rain could be heavy at times. Low around 45. Breezy, with a south southeast wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.
Heavy Rain
and Breezy
 Wednesday

Wednesday: Showers. The rain could be heavy at times. High near 50. Breezy, with a south wind 15 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New precipitation amounts between 3 and 4 inches possible.
Heavy Rain
and Breezy
 Wednesday
Night
Wednesday Night: Showers. The rain could be heavy at times. Low around 42. Breezy. Chance of precipitation is 100%.
Heavy Rain
and Breezy
 Christmas
Day
Christmas Day: Showers. High near 45. Chance of precipitation is 100%.
Showers

 Thursday
Night
Thursday Night: Showers. Cloudy, with a low around 40.
Showers

 Friday

Friday: Showers. Mostly cloudy, with a high near 43.
Showers
Hi 61 °F Lo 46 °F Hi 51 °F Lo 45 °F Hi 50 °F Lo 42 °F Hi 45 °F Lo 40 °F Hi 43 °F

Flood Watch
High Wind Watch
 

Today
 
 Partly sunny, with a high near 61. East southeast wind around 5 mph becoming calm in the morning.
Tonight
 
 Mostly cloudy, with a low around 46. Calm wind becoming southeast around 5 mph.
Tuesday
 
 Showers, mainly after 4pm. High near 51. South southeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
 
 Showers. The rain could be heavy at times. Low around 45. Breezy, with a south southeast wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.
Wednesday
 
 Showers. The rain could be heavy at times. High near 50. Breezy, with a south wind 15 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New precipitation amounts between 3 and 4 inches possible.
Wednesday Night
 
 Showers. The rain could be heavy at times. Low around 42. Breezy. Chance of precipitation is 100%.
Christmas Day
 
 Showers. High near 45. Chance of precipitation is 100%.
Thursday Night
 
 Showers. Cloudy, with a low around 40.
Friday
 
 Showers. Mostly cloudy, with a high near 43.
Friday Night
 
 A chance of rain showers before 1am, then a chance of rain and snow showers. Mostly cloudy, with a low around 37.
Saturday
 
 A chance of rain and snow showers. Partly sunny, with a high near 46.
Saturday Night
 
 A slight chance of rain and snow showers. Partly cloudy, with a low around 39.
Sunday
 
 A slight chance of showers. Mostly sunny, with a high near 51.

 

Forecast from NOAA-NWS for Mount Wilson CA.