Shasta Lake, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Shasta Lake, a city in Shasta County, California.
Overnight
81°F
Clear
Clear. Low around 81, with temperatures rising to around 84 overnight. North wind around 5 mph.
7-day forecast for Shasta Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 81°F | Clear | 5 mph N | 0% |
| Tuesday | 107°F | Sunny | 3 to 7 mph ENE | 0% |
| Tuesday Night | 75°F | Mostly Clear | 1 to 6 mph NNW | 0% |
| Wednesday | 104°F | Sunny | 2 to 7 mph SW | 0% |
| Wednesday Night | 74°F | Clear | 1 to 7 mph NNW | 0% |
| Thursday | 104°F | Sunny | 2 to 7 mph S | 0% |
| Thursday Night | 73°F | Clear | 1 to 7 mph NW | 0% |
| Friday | 105°F | Sunny | 2 to 6 mph SSW | 0% |
| Friday Night | 74°F | Clear | 2 to 6 mph SSW | 0% |
| Saturday | 106°F | Sunny | 3 to 7 mph NNW | 0% |
| Saturday Night | 73°F | Clear | 7 mph SW | 0% |
| Sunday | 103°F | Sunny | 3 to 7 mph NNE | 0% |
| Sunday Night | 72°F | Mostly Clear | 2 to 7 mph WSW | 0% |
| Monday | 99°F | Sunny | 2 to 8 mph NE | 0% |
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 Aug 4, 2026.