National Weather Service Forecast for: Alturas CA
Issued by: National Weather Service Medford, OR
Updated: 1:36 am PST Feb 2, 2026
 
Overnight

Overnight: Patchy fog after 4am.  Otherwise, mostly clear, with a low around 24. Calm wind.
Patchy Fog

Monday

Monday: Patchy fog before 9am.  Otherwise, sunny, with a high near 59. Light and variable wind.
Patchy Fog
then Mostly
Sunny
Monday
Night
Monday Night: Mostly clear, with a low around 24. Northeast wind around 5 mph becoming calm  in the evening.
Mostly Clear

Tuesday

Tuesday: Sunny, with a high near 63. Light and variable wind.
Sunny

Tuesday
Night
Tuesday Night: Mostly clear, with a low around 24. Calm wind.
Mostly Clear

Wednesday

Wednesday: Sunny, with a high near 64.
Sunny

Wednesday
Night
Wednesday Night: Mostly clear, with a low around 25.
Mostly Clear

Thursday

Thursday: Sunny, with a high near 64.
Sunny

Thursday
Night
Thursday Night: Mostly clear, with a low around 25.
Mostly Clear

Lo 24 °F Hi 59 °F Lo 24 °F Hi 63 °F Lo 24 °F Hi 64 °F Lo 25 °F Hi 64 °F Lo 25 °F

 

Overnight
 
Patchy fog after 4am. Otherwise, mostly clear, with a low around 24. Calm wind.
Monday
 
Patchy fog before 9am. Otherwise, sunny, with a high near 59. Light and variable wind.
Monday Night
 
Mostly clear, with a low around 24. Northeast wind around 5 mph becoming calm in the evening.
Tuesday
 
Sunny, with a high near 63. Light and variable wind.
Tuesday Night
 
Mostly clear, with a low around 24. Calm wind.
Wednesday
 
Sunny, with a high near 64.
Wednesday Night
 
Mostly clear, with a low around 25.
Thursday
 
Sunny, with a high near 64.
Thursday Night
 
Mostly clear, with a low around 25.
Friday
 
Sunny, with a high near 63.
Friday Night
 
Partly cloudy, with a low around 26.
Saturday
 
Mostly sunny, with a high near 60.
Saturday Night
 
Partly cloudy, with a low around 24.
Sunday
 
A chance of rain. Snow level 6300 feet. Partly sunny, with a high near 53.

 

Forecast from NOAA-NWS for Alturas CA.