Colusa, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Colusa, a city in Colusa County, California.
This Afternoon
88°F
Sunny
Sunny, with a high near 88. Northwest wind around 6 mph.
7-day forecast for Colusa
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 88°F | Sunny | 6 mph NW | 0% |
| Tonight | 55°F | Clear | 0 to 3 mph NW | 0% |
| Saturday | 92°F | Sunny | 1 to 5 mph NNW | 0% |
| Saturday Night | 57°F | Partly Cloudy | 3 mph SSE | 0% |
| Sunday | 87°F | Partly Sunny | 5 mph SE | 0% |
| Sunday Night | 57°F | Mostly Cloudy | 1 to 5 mph SE | 0% |
| Monday | 90°F | Mostly Sunny | 1 to 5 mph SE | 0% |
| Monday Night | 57°F | Mostly Clear | 1 to 7 mph SE | 0% |
| Tuesday | 91°F | Sunny | 1 to 5 mph SE | 0% |
| Tuesday Night | 58°F | Mostly Clear | 1 to 5 mph ESE | 0% |
| Wednesday | 92°F | Sunny | 3 mph N | 0% |
| Wednesday Night | 59°F | Mostly Clear | 0 to 3 mph SSE | 0% |
| Thursday | 94°F | Sunny | 1 to 6 mph E | 0% |
| Thursday Night | 59°F | Mostly Clear | 1 to 6 mph SSE | 0% |
Forecast source: National Weather Service (api.weather.gov) for Colusa (39.200, -122.009). Updated through the day.
Growing snapshot for Colusa
Last spring frost
Feb 14
First fall frost
Dec 1
Growing season
293 days
Hardiness zone
9b
More local growing data for Colusa: nearby ZIP 95932 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Colusa 2 Ssw, Ca (4.2 mi from Colusa). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.