Shasta Lake, CA Weather & Growing Conditions
Overnight
46°F
Clear
Clear, with a low around 46. North northwest wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 46°F | Clear | 6 mph NNW | 0% |
| Wednesday | 67°F | Mostly Sunny | 1 to 9 mph NNW | 3% |
| Wednesday Night | 49°F | Mostly Clear | 2 to 9 mph NNW | 2% |
| Thursday | 71°F | Sunny | 5 to 14 mph NNW | 0% |
| Thursday Night | 52°F | Mostly Clear | 5 to 8 mph NNW | 0% |
| Friday | 76°F | Sunny | 1 to 8 mph NNE | 0% |
| Friday Night | 53°F | Mostly Clear | 1 to 6 mph NNE | 0% |
| Saturday | 71°F | Sunny | 1 to 5 mph ENE | 0% |
| Saturday Night | 52°F | Partly Cloudy | 3 mph NNW | 0% |
| Sunday | 71°F | Mostly Sunny | 1 to 6 mph ENE | 0% |
| Sunday Night | 52°F | Partly Cloudy | 3 mph WSW | 0% |
| Monday | 68°F | Mostly Sunny | 3 mph N | 2% |
| Monday Night | 51°F | Partly Cloudy | 0 to 5 mph N | 4% |
| Tuesday | 68°F | Sunny then Slight Chance Light Rain | 1 to 5 mph ENE | 16% |
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 Nov 4, 2026.