National Weather Service Forecast for: Mount Shasta CA
Issued by: National Weather Service Medford, OR
Updated: 11:26 pm PDT Sep 12, 2026
 
Overnight

Overnight: Mostly clear, with a low around 37. Calm wind.
Mostly Clear
 Sunday

Sunday: Sunny, with a high near 68. Calm wind becoming north northwest around 5 mph in the afternoon.
Sunny
 Sunday
Night
Sunday Night: Clear, with a low around 39. North northwest wind 3 to 6 mph.
Clear
 Monday

Monday: Sunny, with a high near 77. North wind around 5 mph becoming calm in the morning.
Sunny
 Monday
Night
Monday Night: Clear, with a low around 44. Light north wind.
Clear
 Tuesday

Tuesday: Sunny, with a high near 81.
Sunny
 Tuesday
Night
Tuesday Night: Clear, with a low around 45.
Clear
 Wednesday

Wednesday: Sunny, with a high near 79.
Sunny
 Wednesday
Night
Wednesday Night: Clear, with a low around 47.
Clear
Lo 37 °F Hi 68 °F Lo 39 °F Hi 77 °F Lo 44 °F Hi 81 °F Lo 45 °F Hi 79 °F Lo 47 °F

 

Overnight
 
 Mostly clear, with a low around 37. Calm wind.
Sunday
 
 Sunny, with a high near 68. Calm wind becoming north northwest around 5 mph in the afternoon.
Sunday Night
 
 Clear, with a low around 39. North northwest wind 3 to 6 mph.
Monday
 
 Sunny, with a high near 77. North wind around 5 mph becoming calm in the morning.
Monday Night
 
 Clear, with a low around 44. Light north wind.
Tuesday
 
 Sunny, with a high near 81.
Tuesday Night
 
 Clear, with a low around 45.
Wednesday
 
 Sunny, with a high near 79.
Wednesday Night
 
 Clear, with a low around 47.
Thursday
 
 Sunny, with a high near 83.
Thursday Night
 
 Clear, with a low around 49.
Friday
 
 Sunny, with a high near 84.
Friday Night
 
 Clear, with a low around 49.
Saturday
 
 Sunny, with a high near 82.

 

Forecast from NOAA-NWS for Mount Shasta CA.