Hat Creek, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hat Creek, a community in Shasta County, California.
This Afternoon
49°F
Light Rain
Rain before 4pm, then a chance of rain and patchy fog between 4pm and 5pm, then patchy fog and a slight chance of rain. Mostly cloudy. High near 49, with temperatures falling to around 44 in the afternoon. North wind 0 to 3 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Hat Creek
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 49°F | Light Rain | 0 to 3 mph N | 80% |
| Tonight | 30°F | Areas Of Fog | 1 mph ENE | 10% |
| Wednesday | 55°F | Widespread Frost then Mostly Sunny | 2 mph NE | 0% |
| Wednesday Night | 30°F | Partly Cloudy then Widespread Frost | 1 mph SE | 0% |
| Thursday | 59°F | Widespread Frost then Sunny | 0 to 3 mph ENE | 0% |
| Thursday Night | 31°F | Mostly Clear then Widespread Frost | 0 to 3 mph ESE | 0% |
| Friday | 65°F | Widespread Frost then Mostly Sunny | 2 mph NE | 0% |
| Friday Night | 36°F | Mostly Clear | 0 to 5 mph ESE | 0% |
| Saturday | 69°F | Sunny | 0 to 5 mph E | 0% |
| Saturday Night | 35°F | Partly Cloudy | 0 to 5 mph E | 0% |
| Sunday | 64°F | Mostly Sunny | 0 to 3 mph W | 0% |
| Sunday Night | 35°F | Mostly Cloudy | 0 to 3 mph E | 1% |
| Monday | 62°F | Mostly Sunny | 3 mph WSW | 5% |
| Monday Night | 34°F | Partly Cloudy | 2 mph SSW | 5% |
Forecast source: National Weather Service (api.weather.gov) for Hat Creek (40.790, -121.475). Updated through the day.
Growing snapshot for Hat Creek
Last spring frost
May 29
First fall frost
Sep 19
Growing season
113 days
Hardiness zone
7a
More local growing data for Hat Creek: nearby ZIP 96040 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Hat Creek, Ca (10.4 mi from Hat Creek). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.