National Weather Service Forecast for: Crestline CA
Issued by: National Weather Service San Diego, CA
Updated: 11:14 am PDT Mar 19, 2026
 
This
Afternoon
This Afternoon: Sunny, with a high near 87. West wind around 5 mph becoming south.
Sunny
Tonight

Tonight: Clear, with a low around 66. South wind around 5 mph becoming calm.
Clear
Friday

Friday: Sunny, with a high near 84. Light and variable wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Sunny
Friday
Night
Friday Night: Clear, with a low around 62. Southeast wind 5 to 10 mph.
Clear
Saturday

Saturday: Sunny, with a high near 77. Southeast wind 5 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Sunny
Saturday
Night
Saturday Night: Partly cloudy, with a low around 58.
Partly Cloudy
Sunday

Sunday: Mostly sunny, with a high near 77.
Mostly Sunny
Sunday
Night
Sunday Night: Mostly clear, with a low around 59.
Mostly Clear
Monday

Monday: Sunny, with a high near 79.
Sunny
Hi 87 °F Lo 66 °F Hi 84 °F Lo 62 °F Hi 77 °F Lo 58 °F Hi 77 °F Lo 59 °F Hi 79 °F

Heat Advisory
 

This Afternoon
 
Sunny, with a high near 87. West wind around 5 mph becoming south.
Tonight
 
Clear, with a low around 66. South wind around 5 mph becoming calm.
Friday
 
Sunny, with a high near 84. Light and variable wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
 
Clear, with a low around 62. Southeast wind 5 to 10 mph.
Saturday
 
Sunny, with a high near 77. Southeast wind 5 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
 
Partly cloudy, with a low around 58.
Sunday
 
Mostly sunny, with a high near 77.
Sunday Night
 
Mostly clear, with a low around 59.
Monday
 
Sunny, with a high near 79.
Monday Night
 
Mostly clear, with a low around 59.
Tuesday
 
Sunny, with a high near 80.
Tuesday Night
 
Mostly clear, with a low around 60.
Wednesday
 
Sunny, with a high near 79.

 

Forecast from NOAA-NWS for Crestline CA.