Cassel, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cassel, a community in Shasta County, California.
This Afternoon
78°F
Sunny
Sunny, with a high near 78. Northeast wind around 6 mph.
7-day forecast for Cassel
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 78°F | Sunny | 6 mph NE | 0% |
| Tonight | 42°F | Clear | 0 to 3 mph E | 0% |
| Saturday | 84°F | Sunny | 5 mph NNE | 0% |
| Saturday Night | 44°F | Partly Cloudy | 2 mph ESE | 0% |
| Sunday | 86°F | Mostly Sunny | 2 to 6 mph N | 0% |
| Sunday Night | 46°F | Partly Cloudy | 0 to 6 mph SSW | 0% |
| Monday | 87°F | Mostly Sunny | 1 to 5 mph NNE | 0% |
| Monday Night | 46°F | Mostly Clear | 1 to 5 mph SSW | 0% |
| Tuesday | 87°F | Sunny | 2 to 7 mph N | 0% |
| Tuesday Night | 46°F | Mostly Clear | 2 to 7 mph SSE | 0% |
| Wednesday | 87°F | Sunny | 2 to 8 mph NW | 0% |
| Wednesday Night | 46°F | Mostly Clear | 3 to 8 mph S | 0% |
| Thursday | 87°F | Sunny | 2 to 10 mph SW | 0% |
| Thursday Night | 47°F | Mostly Clear | 5 to 10 mph S | 0% |
Forecast source: National Weather Service (api.weather.gov) for Cassel (40.925, -121.548). Updated through the day.
Growing snapshot for Cassel
Last spring frost
May 29
First fall frost
Sep 19
Growing season
113 days
Hardiness zone
7b
More local growing data for Cassel: nearby ZIP 96016 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Hat Creek, Ca (3.2 mi from Cassel). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.