College City, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for College City, a community in Colusa County, California.
Today
67°F
Sunny
Sunny. High near 67, with temperatures falling to around 64 in the afternoon. Northwest wind 2 to 9 mph, with gusts as high as 20 mph.
7-day forecast for College City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 67°F | Sunny | 2 to 9 mph NW | 2% |
| Tonight | 47°F | Patchy Fog then Mostly Cloudy | 1 to 5 mph WNW | 2% |
| Thursday | 72°F | Sunny | 5 to 10 mph NNW | 0% |
| Thursday Night | 45°F | Mostly Clear | 2 to 6 mph NW | 0% |
| Friday | 70°F | Sunny | 1 to 5 mph NNW | 0% |
| Friday Night | 45°F | Mostly Clear | 1 mph N | 0% |
| Saturday | 71°F | Sunny | 0 to 3 mph NNE | 0% |
| Saturday Night | 46°F | Mostly Clear | 0 to 3 mph N | 0% |
| Sunday | 71°F | Mostly Sunny | 1 to 5 mph N | 0% |
| Sunday Night | 47°F | Partly Cloudy | 2 mph NNE | 0% |
| Monday | 69°F | Mostly Sunny | 5 mph N | 1% |
| Monday Night | 47°F | Partly Cloudy | 0 to 3 mph NW | 1% |
| Tuesday | 70°F | Sunny | 5 mph N | 7% |
| Tuesday Night | 47°F | Mostly Clear | 2 mph S | 8% |
Forecast source: National Weather Service (api.weather.gov) for College City (39.006, -122.005). Updated through the day.
Growing snapshot for College City
Last spring frost
Feb 14
First fall frost
Dec 1
Growing season
293 days
Hardiness zone
9b
More local growing data for College City: nearby ZIP 95912 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Colusa 2 Ssw, Ca (13.2 mi from College City). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.