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Shasta Lake, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Shasta Lake, a city in Shasta County, California.

Tonight
45°F
Clear
Clear, with a low around 45. North northwest wind around 5 mph.

7-day forecast for Shasta Lake

WhenTempForecastWindPrecip
Tonight 45°F Clear 5 mph NNW 1%
Wednesday 68°F Mostly Sunny 1 to 7 mph NNW 3%
Wednesday Night 49°F Mostly Clear 2 to 7 mph NNW 2%
Thursday 72°F Sunny 5 to 12 mph NNW 0%
Thursday Night 51°F Mostly Clear 5 to 8 mph NNW 0%
Friday 76°F Sunny 1 to 7 mph NNE 0%
Friday Night 52°F Mostly Clear 1 to 5 mph N 0%
Saturday 72°F Sunny 3 mph ESE 0%
Saturday Night 51°F Partly Cloudy 2 mph NW 0%
Sunday 72°F Mostly Sunny 1 to 5 mph ENE 0%
Sunday Night 51°F Partly Cloudy 2 mph NNW 0%
Monday 69°F Mostly Sunny 2 mph NE 2%
Monday Night 50°F Partly Cloudy 0 to 3 mph N 3%
Tuesday 70°F Sunny then Slight Chance Light Rain 3 mph ENE 16%

Forecast source: National Weather Service (api.weather.gov) for Shasta Lake (40.677, -122.381). Updated through the day.

Growing snapshot for Shasta Lake

Last spring frost
Feb 8
First fall frost
Dec 28
Growing season
322 days
Hardiness zone
9b

More local growing data for Shasta Lake: nearby ZIP 96019 weather · frost dates · planting calendar · California frost dates

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Climate data from the nearest NOAA station, Shasta Dam, Ca (2.1 mi from Shasta Lake). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.