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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.

This Afternoon
95°F
Sunny
Sunny, with a high near 95. North wind around 3 mph.

7-day forecast for Shasta Lake

WhenTempForecastWindPrecip
This Afternoon 95°F Sunny 3 mph N 0%
Tonight 64°F Mostly Clear 1 to 5 mph NNW 0%
Sunday 93°F Mostly Sunny 2 to 6 mph NNE 0%
Sunday Night 66°F Partly Cloudy 3 mph NNW 0%
Monday 95°F Sunny 5 mph SE 0%
Monday Night 63°F Mostly Clear 1 to 5 mph SSW 0%
Tuesday 91°F Sunny 2 to 6 mph S 0%
Tuesday Night 63°F Mostly Clear 1 to 6 mph W 0%
Wednesday 91°F Sunny 2 to 6 mph ESE 0%
Wednesday Night 63°F Mostly Clear 1 to 5 mph WNW 0%
Thursday 91°F Sunny 2 to 6 mph NE 0%
Thursday Night 63°F Mostly Clear 5 mph WSW 1%
Friday 88°F Mostly Sunny 5 mph ESE 2%
Friday Night 62°F Partly Cloudy 5 mph WNW 2%

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 Sep 19, 2026.