National Weather Service Forecast for: Sierraville CA
Issued by: National Weather Service Reno, NV
Updated: 11:30 pm PDT Aug 19, 2026
 
Overnight

Overnight: Mostly clear, with a low around 49. Southeast wind around 5 mph.
Mostly Clear
 Thursday

Thursday: Mostly sunny, with a high near 89. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Mostly Sunny
 Thursday
Night
Thursday Night: Partly cloudy, with a low around 50. Southwest wind 5 to 10 mph becoming southeast after midnight.
Partly Cloudy
 Friday

Friday: Mostly cloudy, with a high near 87. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Mostly Cloudy
 Friday
Night
Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 50. Southwest wind 5 to 10 mph.
Decreasing
Clouds
 Saturday

Saturday: Sunny, with a high near 84. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.
Sunny
 Saturday
Night
Saturday Night: Mostly clear, with a low around 46.
Mostly Clear
 Sunday

Sunday: Mostly sunny, with a high near 85.
Mostly Sunny
 Sunday
Night
Sunday Night: Partly cloudy, with a low around 48.
Partly Cloudy
Lo 49 °F Hi 89 °F Lo 50 °F Hi 87 °F Lo 50 °F Hi 84 °F Lo 46 °F Hi 85 °F Lo 48 °F

 

Overnight
 
 Mostly clear, with a low around 49. Southeast wind around 5 mph.
Thursday
 
 Mostly sunny, with a high near 89. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Thursday Night
 
 Partly cloudy, with a low around 50. Southwest wind 5 to 10 mph becoming southeast after midnight.
Friday
 
 Mostly cloudy, with a high near 87. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
 
 Mostly cloudy, then gradually becoming mostly clear, with a low around 50. Southwest wind 5 to 10 mph.
Saturday
 
 Sunny, with a high near 84. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.
Saturday Night
 
 Mostly clear, with a low around 46.
Sunday
 
 Mostly sunny, with a high near 85.
Sunday Night
 
 Partly cloudy, with a low around 48.
Monday
 
 Mostly sunny, with a high near 84.
Monday Night
 
 Partly cloudy, with a low around 47.
Tuesday
 
 Mostly sunny, with a high near 84.
Tuesday Night
 
 Partly cloudy, with a low around 46.
Wednesday
 
 Mostly sunny, with a high near 84.

 

Forecast from NOAA-NWS for Sierraville CA.