National Weather Service Forecast for: San Dimas CA
Issued by: National Weather Service Los Angeles/Oxnard, CA
Updated: 4:04 am PDT Apr 26, 2025
 
Overnight

Overnight: A 40 percent chance of rain. Mostly cloudy, with a low around 53. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Chance Rain

 Saturday

Saturday: Rain likely, mainly after 11am. Mostly cloudy, with a high near 57. Light and variable wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Rain Likely

 Saturday
Night
Saturday Night: A 40 percent chance of showers before 11pm. Mostly cloudy, with a low around 45. Southwest wind 5 to 10 mph becoming light west in the evening. New precipitation amounts of less than a tenth of an inch possible.
Chance
Showers then
Mostly Cloudy
 Sunday

Sunday: Mostly sunny, with a high near 60. Light southwest wind becoming west southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Mostly Sunny

 Sunday
Night
Sunday Night: Partly cloudy, with a low around 48. West southwest wind 5 to 10 mph becoming light and variable in the evening.
Partly Cloudy

 Monday

Monday: Sunny, with a high near 69.
Sunny

 Monday
Night
Monday Night: Clear, with a low around 51.
Clear

 Tuesday

Tuesday: Sunny, with a high near 75.
Sunny

 Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 53.
Partly Cloudy
Lo 53 °F Hi 57 °F Lo 45 °F Hi 60 °F Lo 48 °F Hi 69 °F Lo 51 °F Hi 75 °F Lo 53 °F

 

Overnight
 
 A 40 percent chance of rain. Mostly cloudy, with a low around 53. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Saturday
 
 Rain likely, mainly after 11am. Mostly cloudy, with a high near 57. Light and variable wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
 
 A 40 percent chance of showers before 11pm. Mostly cloudy, with a low around 45. Southwest wind 5 to 10 mph becoming light west in the evening. New precipitation amounts of less than a tenth of an inch possible.
Sunday
 
 Mostly sunny, with a high near 60. Light southwest wind becoming west southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Sunday Night
 
 Partly cloudy, with a low around 48. West southwest wind 5 to 10 mph becoming light and variable in the evening.
Monday
 
 Sunny, with a high near 69.
Monday Night
 
 Clear, with a low around 51.
Tuesday
 
 Sunny, with a high near 75.
Tuesday Night
 
 Partly cloudy, with a low around 53.
Wednesday
 
 Mostly sunny, with a high near 74.
Wednesday Night
 
 Mostly clear, with a low around 55.
Thursday
 
 Sunny, with a high near 76.
Thursday Night
 
 Patchy fog. Otherwise, mostly cloudy, with a low around 54.
Friday
 
 Patchy fog. Otherwise, mostly sunny, with a high near 74.

 

Forecast from NOAA-NWS for San Dimas CA.