Cohasset, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cohasset, a community in Butte County, California.
Today
86°F
Sunny
Sunny, with a high near 86. West wind 2 to 6 mph.
7-day forecast for Cohasset
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Sunny | 2 to 6 mph W | 0% |
| Tonight | 66°F | Partly Cloudy | 5 mph NE | 0% |
| Sunday | 83°F | Partly Sunny | 5 mph S | 0% |
| Sunday Night | 67°F | Mostly Cloudy | 1 to 5 mph E | 0% |
| Monday | 85°F | Mostly Sunny | 2 to 6 mph SW | 0% |
| Monday Night | 66°F | Mostly Clear | 1 to 6 mph E | 0% |
| Tuesday | 84°F | Sunny | 1 to 5 mph SW | 0% |
| Tuesday Night | 67°F | Clear | 1 to 5 mph E | 0% |
| Wednesday | 87°F | Sunny | 1 to 5 mph SSW | 0% |
| Wednesday Night | 68°F | Mostly Clear | 3 mph E | 0% |
| Thursday | 88°F | Sunny | 2 to 6 mph S | 0% |
| Thursday Night | 69°F | Mostly Clear | 3 to 7 mph ESE | 1% |
| Friday | 83°F | Sunny | 3 to 7 mph SSE | 1% |
| Friday Night | 65°F | Partly Cloudy | 3 to 7 mph SE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Cohasset (39.902, -121.745). Updated through the day.
Growing snapshot for Cohasset
Last spring frost
Apr 17
First fall frost
Nov 11
Growing season
206 days
Hardiness zone
9a
More local growing data for Cohasset: nearby ZIP 95942 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
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Climate data from the nearest NOAA station, De Sabla, Ca (4.3 mi from Cohasset). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.