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Sierraville, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Sierraville, a community in Sierra County, California.

Tonight
47°F
Mostly Clear
Mostly clear, with a low around 47. East wind 0 to 5 mph.

7-day forecast for Sierraville

WhenTempForecastWindPrecip
Tonight 47°F Mostly Clear 0 to 5 mph E 0%
Saturday 79°F Sunny 5 mph N 0%
Saturday Night 51°F Partly Cloudy 0 to 5 mph SE 0%
Sunday 81°F Partly Sunny 5 mph E 0%
Sunday Night 56°F Mostly Cloudy 0 to 5 mph W 0%
Monday 81°F Mostly Sunny 0 to 5 mph E 3%
Monday Night 55°F Partly Cloudy 0 to 5 mph SW 1%
Tuesday 83°F Sunny 0 to 5 mph NE 0%
Tuesday Night 55°F Mostly Clear 0 to 5 mph S 0%
Wednesday 84°F Sunny 5 mph S 0%
Wednesday Night 55°F Mostly Clear 0 to 5 mph SW 0%
Thursday 83°F Mostly Sunny 5 to 10 mph SW 1%
Thursday Night 55°F Partly Cloudy 5 to 10 mph SW 0%
Friday 79°F Mostly Sunny 5 to 10 mph SW 0%

Forecast source: National Weather Service (api.weather.gov) for Sierraville (39.582, -120.362). Updated through the day.

Growing snapshot for Sierraville

Growing season
22 days
Hardiness zone
6b

More local growing data for Sierraville: nearby ZIP 96126 weather · frost dates · planting calendar · California frost dates

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Climate data from the nearest NOAA station, Sagehen Creek, Ca (11.9 mi from Sierraville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.