College City, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for College City, a community in Colusa County, California.
Tonight
46°F
Slight Chance Light Rain then Partly Cloudy
A slight chance of rain between 10pm and 11pm. Partly cloudy. Low around 46, with temperatures rising to around 48 overnight. North northwest wind around 7 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for College City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 46°F | Slight Chance Light Rain then Partly Cloudy | 7 mph NNW | 15% |
| Wednesday | 67°F | Sunny | 1 to 9 mph NW | 0% |
| Wednesday Night | 46°F | Patchy Fog then Partly Cloudy | 3 mph WNW | 0% |
| Thursday | 71°F | Sunny | 3 to 8 mph NW | 0% |
| Thursday Night | 44°F | Mostly Clear | 3 mph WNW | 0% |
| Friday | 71°F | Sunny | 1 to 5 mph NNW | 0% |
| Friday Night | 46°F | Mostly Clear | 1 mph NNW | 0% |
| Saturday | 71°F | Sunny | 3 mph NNE | 0% |
| Saturday Night | 47°F | Mostly Clear | 0 to 3 mph NNW | 0% |
| Sunday | 71°F | Mostly Sunny | 1 to 6 mph NNW | 0% |
| Sunday Night | 48°F | Partly Cloudy | 2 mph NNE | 0% |
| Monday | 69°F | Partly Sunny | 5 mph N | 1% |
| Monday Night | 48°F | Partly Cloudy | 2 mph W | 3% |
| Tuesday | 70°F | Mostly Sunny | 5 mph NNW | 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.