National Weather Service Forecast for: Alturas CA
Issued by: National Weather Service Medford, OR
Updated: 12:06 am PDT Jun 22, 2026
 
Today

Today: Sunny, with a high near 92. Calm wind becoming west around 6 mph in the afternoon.
Sunny

 Tonight

Tonight: Mostly clear, with a low around 51. West northwest wind 5 to 8 mph becoming calm after midnight.
Mostly Clear

 Tuesday

Tuesday: Sunny, with a high near 92. Calm wind becoming west 5 to 8 mph in the afternoon.
Sunny

 Tuesday
Night
Tuesday Night: Clear, with a low around 51. West wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 23 mph.
Clear

 Wednesday

Wednesday: Sunny, with a high near 91. Calm wind becoming west 5 to 9 mph in the afternoon.
Sunny

 Wednesday
Night
Wednesday Night: Clear, with a low around 50.
Clear

 Thursday

Thursday: Sunny, with a high near 89.
Sunny

 Thursday
Night
Thursday Night: Partly cloudy, with a low around 48.
Partly Cloudy

 Friday

Friday: A slight chance of rain before 11am. Partly sunny, with a high near 78.
Slight Chance
Rain then
Partly Sunny
Hi 92 °F Lo 51 °F Hi 92 °F Lo 51 °F Hi 91 °F Lo 50 °F Hi 89 °F Lo 48 °F Hi 78 °F

 

Today
 
 Sunny, with a high near 92. Calm wind becoming west around 6 mph in the afternoon.
Tonight
 
 Mostly clear, with a low around 51. West northwest wind 5 to 8 mph becoming calm after midnight.
Tuesday
 
 Sunny, with a high near 92. Calm wind becoming west 5 to 8 mph in the afternoon.
Tuesday Night
 
 Clear, with a low around 51. West wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 23 mph.
Wednesday
 
 Sunny, with a high near 91. Calm wind becoming west 5 to 9 mph in the afternoon.
Wednesday Night
 
 Clear, with a low around 50.
Thursday
 
 Sunny, with a high near 89.
Thursday Night
 
 Partly cloudy, with a low around 48.
Friday
 
 A slight chance of rain before 11am. Partly sunny, with a high near 78.
Friday Night
 
 A chance of rain, mainly before 11pm. Partly cloudy, with a low around 43. Breezy.
Saturday
 
 Sunny, with a high near 72.
Saturday Night
 
 Mostly clear, with a low around 38. Breezy.
Sunday
 
 Sunny, with a high near 73.

 

Forecast from NOAA-NWS for Alturas CA.