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Weather in Alta Sierra, CA · National Weather Service + NOAA

Alta Sierra is warming faster than most towns

Alta Sierra has mild winters and warm summers. A typical July afternoon reaches 85°, a January night drops to 29°, and about 6 inches of snow falls in a normal winter. A typical November afternoon reaches 57°, and nights fall to 34°.

Right now
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Sunrise 9:17 am · sunset 7:57 pm

Getting the latest forecast from the National Weather Service…

What stands out about Alta Sierra’s weather

Read from 30 years of NOAA records. Each one opens the full story on the Climate page.

Climate →
A normal year

Where today sits in Alta Sierra’s year

Typical highs and lows month by month, from 30 years of NOAA records.

Full climate →
Winter
50° / 29°
2 days with an inch or more of snow
Spring
60° / 36°
Last frost around May 11
Summer
82° / 53°
50 days reach 90° in a normal year
Fall now
68° / 41°
First frost around Oct 17

Weather talk

Road reports, first frosts and storm memories from neighbors in Alta Sierra.

Town Square →
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Forecast, conditions and alerts: National Weather Service. Climate: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Temperatures and rainfall come from NOAA’s gridded normals for Alta Sierra itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Glennville, CA (9 mi). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.