Shasta Lake, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Shasta Lake, a city in Shasta County, California.
Today
95°F
Sunny
Sunny, with a high near 95. North wind 2 to 8 mph.
7-day forecast for Shasta Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 95°F | Sunny | 2 to 8 mph N | 0% |
| Tonight | 63°F | Partly Cloudy | 1 to 5 mph NNW | 0% |
| Sunday | 92°F | Mostly Sunny | 5 mph E | 0% |
| Sunday Night | 65°F | Partly Cloudy | 1 to 5 mph NW | 0% |
| Monday | 95°F | Sunny | 5 mph NNE | 0% |
| Monday Night | 64°F | Mostly Clear | 1 to 5 mph WSW | 0% |
| Tuesday | 93°F | Sunny | 5 mph NNE | 0% |
| Tuesday Night | 64°F | Mostly Clear | 1 to 5 mph W | 0% |
| Wednesday | 93°F | Sunny | 2 to 6 mph E | 0% |
| Wednesday Night | 64°F | Mostly Clear | 3 mph W | 0% |
| Thursday | 92°F | Sunny | 5 mph ENE | 1% |
| Thursday Night | 64°F | Mostly Clear | 5 mph W | 1% |
| Friday | 88°F | Sunny | 5 mph E | 1% |
| Friday Night | 61°F | Partly Cloudy | 5 mph W | 3% |
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.