National Weather Service Forecast for: Grand Terrace CA
Issued by: National Weather Service San Diego, CA
Updated: 7:55 pm PST Dec 4, 2025
 
Tonight

Tonight: Mostly clear, with a low around 44. East wind around 5 mph.
Mostly Clear
 Friday

Friday: Sunny, with a high near 71. Calm wind becoming west around 5 mph in the afternoon.
Sunny
 Friday
Night
Friday Night: Clear, with a low around 46. East wind around 5 mph.
Clear
 Saturday

Saturday: Sunny, with a high near 71. Calm wind becoming west around 5 mph.
Sunny
 Saturday
Night
Saturday Night: Clear, with a low around 48. Calm wind becoming northeast around 5 mph.
Clear
 Sunday

Sunday: Sunny, with a high near 76.
Sunny
 Sunday
Night
Sunday Night: Clear, with a low around 50.
Clear
 Monday

Monday: Sunny, with a high near 79.
Sunny
 Monday
Night
Monday Night: Clear, with a low around 52.
Clear
Lo 44 °F Hi 71 °F Lo 46 °F Hi 71 °F Lo 48 °F Hi 76 °F Lo 50 °F Hi 79 °F Lo 52 °F

 

Tonight
 
 Mostly clear, with a low around 44. East wind around 5 mph.
Friday
 
 Sunny, with a high near 71. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
 
 Clear, with a low around 46. East wind around 5 mph.
Saturday
 
 Sunny, with a high near 71. Calm wind becoming west around 5 mph.
Saturday Night
 
 Clear, with a low around 48. Calm wind becoming northeast around 5 mph.
Sunday
 
 Sunny, with a high near 76.
Sunday Night
 
 Clear, with a low around 50.
Monday
 
 Sunny, with a high near 79.
Monday Night
 
 Clear, with a low around 52.
Tuesday
 
 Sunny, with a high near 81.
Tuesday Night
 
 Mostly clear, with a low around 53.
Wednesday
 
 Sunny, with a high near 80.
Wednesday Night
 
 Mostly clear, with a low around 54.
Thursday
 
 Sunny, with a high near 81.

 

Forecast from NOAA-NWS for Grand Terrace CA.