National Weather Service Forecast for: Grand Terrace CA
Issued by: National Weather Service San Diego, CA
Updated: 4:05 am PDT Jun 10, 2025
 
Today

Today: Sunny, with a high near 92. West wind 5 to 10 mph, with gusts as high as 20 mph.
Sunny
 Tonight

Tonight: Mostly clear, with a low around 64. Southwest wind 5 to 10 mph.
Mostly Clear
 Wednesday

Wednesday: Mostly sunny, with a high near 92. Light west wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Mostly Sunny
 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 65. West wind 5 to 10 mph becoming light southwest after midnight.
Mostly Clear
 Thursday

Thursday: Mostly sunny, with a high near 91. Light west wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Mostly Sunny
 Thursday
Night
Thursday Night: Mostly clear, with a low around 64.
Mostly Clear
 Friday

Friday: Sunny, with a high near 90.
Sunny
 Friday
Night
Friday Night: Mostly clear, with a low around 64.
Mostly Clear
 Saturday

Saturday: Mostly sunny, with a high near 93.
Mostly Sunny
Hi 92 °F Lo 64 °F Hi 92 °F Lo 65 °F Hi 91 °F Lo 64 °F Hi 90 °F Lo 64 °F Hi 93 °F

 

Today
 
 Sunny, with a high near 92. West wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
 
 Mostly clear, with a low around 64. Southwest wind 5 to 10 mph.
Wednesday
 
 Mostly sunny, with a high near 92. Light west wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
 
 Mostly clear, with a low around 65. West wind 5 to 10 mph becoming light southwest after midnight.
Thursday
 
 Mostly sunny, with a high near 91. Light west wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
 
 Mostly clear, with a low around 64.
Friday
 
 Sunny, with a high near 90.
Friday Night
 
 Mostly clear, with a low around 64.
Saturday
 
 Mostly sunny, with a high near 93.
Saturday Night
 
 Mostly clear, with a low around 66.
Sunday
 
 Sunny, with a high near 96.
Sunday Night
 
 Mostly clear, with a low around 67.
Monday
 
 Sunny, with a high near 95.

 

Forecast from NOAA-NWS for Grand Terrace CA.