National Weather Service Forecast for: Crestline CA
Issued by: National Weather Service San Diego, CA
Updated: 12:05 pm PDT Jul 12, 2026
 
Tonight

Tonight: Partly cloudy, with a low around 71. South wind around 5 mph becoming calm  in the evening.
Partly Cloudy

Monday

Monday: Increasing clouds, with a high near 77. Calm wind becoming south around 5 mph in the morning.
Increasing
Clouds
Monday
Night
Monday Night: Mostly cloudy, with a low around 71. South wind around 5 mph becoming calm  in the evening.
Mostly Cloudy

Tuesday

Tuesday: A slight chance of showers and thunderstorms after 11am.  Mostly sunny, with a high near 83. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 20%.
Slight Chance
T-storms
Tuesday
Night
Tuesday Night: Mostly clear, with a low around 76. South wind 5 to 10 mph becoming light and variable  in the evening. Winds could gust as high as 20 mph.
Mostly Clear

Wednesday

Wednesday: Sunny, with a high near 88.
Sunny

Wednesday
Night
Wednesday Night: Mostly clear, with a low around 77.
Mostly Clear

Thursday

Thursday: A chance of showers after 11am.  Mostly sunny, with a high near 84.
Chance
Showers
Thursday
Night
Thursday Night: A slight chance of showers before 11pm.  Partly cloudy, with a low around 73.
Slight Chance
Showers then
Partly Cloudy
Lo 71 °F Hi 77 °F Lo 71 °F Hi 83 °F Lo 76 °F Hi 88 °F Lo 77 °F Hi 84 °F Lo 73 °F

Extreme Heat Watch
 

Tonight
 
Partly cloudy, with a low around 71. South wind around 5 mph becoming calm in the evening.
Monday
 
Increasing clouds, with a high near 77. Calm wind becoming south around 5 mph in the morning.
Monday Night
 
Mostly cloudy, with a low around 71. South wind around 5 mph becoming calm in the evening.
Tuesday
 
A slight chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 83. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Tuesday Night
 
Mostly clear, with a low around 76. South wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Wednesday
 
Sunny, with a high near 88.
Wednesday Night
 
Mostly clear, with a low around 77.
Thursday
 
A chance of showers after 11am. Mostly sunny, with a high near 84.
Thursday Night
 
A slight chance of showers before 11pm. Partly cloudy, with a low around 73.
Friday
 
A chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 78.
Friday Night
 
A slight chance of showers. Partly cloudy, with a low around 69.
Saturday
 
A slight chance of showers. Mostly sunny, with a high near 75.
Saturday Night
 
A slight chance of showers. Mostly clear, with a low around 68.
Sunday
 
Sunny, with a high near 75.

 

Forecast from NOAA-NWS for Crestline CA.