National Weather Service Forecast for: Descanso CA
Issued by: National Weather Service San Diego, CA
Updated: 12:18 am PDT Sep 13, 2026
 
Overnight

Overnight: Mostly clear, with a low around 61. Calm wind.
Mostly Clear
 Sunday

Sunday: Sunny, with a high near 86. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Sunny
 Sunday
Night
Sunday Night: Clear, with a low around 58. Northeast wind around 5 mph becoming calm.
Clear
 Monday

Monday: Sunny, with a high near 86. Southeast wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Sunny
 Monday
Night
Monday Night: Clear, with a low around 55. Calm wind becoming south around 5 mph.
Clear
 Tuesday

Tuesday: Sunny, with a high near 84.
Sunny
 Tuesday
Night
Tuesday Night: Clear, with a low around 53.
Clear
 Wednesday

Wednesday: Sunny, with a high near 84.
Sunny
 Wednesday
Night
Wednesday Night: Clear, with a low around 55.
Clear
Lo 61 °F Hi 86 °F Lo 58 °F Hi 86 °F Lo 55 °F Hi 84 °F Lo 53 °F Hi 84 °F Lo 55 °F

 

Overnight
 
 Mostly clear, with a low around 61. Calm wind.
Sunday
 
 Sunny, with a high near 86. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
 
 Clear, with a low around 58. Northeast wind around 5 mph becoming calm.
Monday
 
 Sunny, with a high near 86. Southeast wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Monday Night
 
 Clear, with a low around 55. Calm wind becoming south around 5 mph.
Tuesday
 
 Sunny, with a high near 84.
Tuesday Night
 
 Clear, with a low around 53.
Wednesday
 
 Sunny, with a high near 84.
Wednesday Night
 
 Clear, with a low around 55.
Thursday
 
 Sunny, with a high near 87.
Thursday Night
 
 Mostly clear, with a low around 59.
Friday
 
 Sunny, with a high near 91.
Friday Night
 
 Clear, with a low around 64.
Saturday
 
 Sunny, with a high near 93.

 

Forecast from NOAA-NWS for Descanso CA.