National Weather Service Forecast for: Julian CA
Issued by: National Weather Service San Diego, CA
Updated: 12:29 am PDT Jun 22, 2026
 
Overnight

Overnight: Mostly clear, with a low around 55. Southwest wind around 10 mph, with gusts as high as 20 mph.
Mostly Clear
 Monday

Monday: Sunny, with a high near 83. West wind 5 to 10 mph, with gusts as high as 20 mph.
Sunny
 Monday
Night
Monday Night: Clear, with a low around 63. West wind 5 to 10 mph.
Clear
 Tuesday

Tuesday: Sunny, with a high near 90. South wind 5 to 10 mph becoming west in the morning.
Sunny
 Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 68. West wind 5 to 10 mph.
Partly Cloudy
 Wednesday

Wednesday: Mostly sunny, with a high near 88.
Mostly Sunny
 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 64.
Mostly Clear
 Thursday

Thursday: Sunny, with a high near 85.
Sunny
 Thursday
Night
Thursday Night: Mostly clear, with a low around 59.
Mostly Clear
Lo 55 °F Hi 83 °F Lo 63 °F Hi 90 °F Lo 68 °F Hi 88 °F Lo 64 °F Hi 85 °F Lo 59 °F

 

Overnight
 
 Mostly clear, with a low around 55. Southwest wind around 10 mph, with gusts as high as 20 mph.
Monday
 
 Sunny, with a high near 83. West wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
 
 Clear, with a low around 63. West wind 5 to 10 mph.
Tuesday
 
 Sunny, with a high near 90. South wind 5 to 10 mph becoming west in the morning.
Tuesday Night
 
 Partly cloudy, with a low around 68. West wind 5 to 10 mph.
Wednesday
 
 Mostly sunny, with a high near 88.
Wednesday Night
 
 Mostly clear, with a low around 64.
Thursday
 
 Sunny, with a high near 85.
Thursday Night
 
 Mostly clear, with a low around 59.
Friday
 
 Sunny, with a high near 81.
Friday Night
 
 Mostly clear, with a low around 55.
Saturday
 
 Sunny, with a high near 78.
Saturday Night
 
 Mostly clear, with a low around 52.
Sunday
 
 Sunny, with a high near 73.

 

Forecast from NOAA-NWS for Julian CA.