Dunsmuir, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dunsmuir, a city in Siskiyou County, California.
Tonight
52°F
Clear
Clear. Low around 52, with temperatures rising to around 54 overnight. West northwest wind 6 to 10 mph.
7-day forecast for Dunsmuir
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Clear | 6 to 10 mph WNW | 0% |
| Saturday | 85°F | Sunny | 1 to 6 mph NNW | 0% |
| Saturday Night | 55°F | Partly Cloudy | 5 to 8 mph WNW | 0% |
| Sunday | 86°F | Mostly Sunny | 1 to 8 mph S | 0% |
| Sunday Night | 56°F | Partly Cloudy | 0 to 8 mph NNW | 0% |
| Monday | 88°F | Sunny | 0 to 3 mph N | 0% |
| Monday Night | 55°F | Mostly Clear | 0 to 3 mph N | 0% |
| Tuesday | 87°F | Sunny | 2 mph N | 0% |
| Tuesday Night | 54°F | Mostly Clear | 0 to 5 mph N | 0% |
| Wednesday | 87°F | Sunny | 2 mph W | 1% |
| Wednesday Night | 56°F | Mostly Clear | 1 mph NNE | 0% |
| Thursday | 85°F | Sunny | 0 to 3 mph SE | 0% |
| Thursday Night | 56°F | Mostly Clear | 3 mph NW | 1% |
| Friday | 80°F | Sunny | 3 mph SW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Dunsmuir (41.232, -122.271). Updated through the day.
Growing snapshot for Dunsmuir
Last spring frost
Apr 23
First fall frost
Oct 27
Growing season
185 days
Hardiness zone
8a
More local growing data for Dunsmuir: nearby ZIP 96025 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Dunsmuir Trtmt Pl, Ca (2.3 mi from Dunsmuir). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.