Shasta Lake, CA Weather & Growing Conditions
Today
94°F
Sunny
Sunny, with a high near 94. North wind 2 to 9 mph, with gusts as high as 18 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 94°F | Sunny | 2 to 9 mph N | 0% |
| Tonight | 64°F | Partly Cloudy | 1 to 6 mph NNW | 0% |
| Sunday | 91°F | Mostly Sunny | 6 mph E | 0% |
| Sunday Night | 65°F | Partly Cloudy | 1 to 5 mph NW | 0% |
| Monday | 94°F | Sunny | 2 to 6 mph SE | 0% |
| Monday Night | 66°F | Mostly Clear | 1 to 5 mph WSW | 0% |
| Tuesday | 92°F | Sunny | 6 mph NNE | 0% |
| Tuesday Night | 65°F | Mostly Clear | 5 mph WNW | 0% |
| Wednesday | 92°F | Sunny | 2 to 6 mph SE | 0% |
| Wednesday Night | 64°F | Mostly Clear | 1 to 5 mph W | 0% |
| Thursday | 91°F | Sunny | 2 to 6 mph E | 1% |
| Thursday Night | 64°F | Mostly Clear | 5 mph W | 1% |
| Friday | 87°F | Sunny | 5 mph SE | 1% |
| Friday Night | 62°F | Partly Cloudy | 5 mph W | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Shasta Lake, CA
Last spring frost
Feb 8
First fall frost
Dec 28
Growing season
322 days
Hardiness zone
9b
Explore more for Shasta Lake, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Shasta Dam, Ca (2.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.