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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
91°F
Sunny
Sunny, with a high near 91. North wind around 5 mph.

7-day forecast for College City

WhenTempForecastWindPrecip
Today 91°F Sunny 5 mph N 0%
Tonight 57°F Partly Cloudy 0 to 3 mph SE 0%
Sunday 85°F Partly Sunny 1 to 5 mph E 0%
Sunday Night 56°F Mostly Cloudy 1 to 5 mph SSE 0%
Monday 89°F Sunny 1 to 7 mph SE 0%
Monday Night 57°F Mostly Clear 1 to 7 mph SE 0%
Tuesday 88°F Sunny 1 to 7 mph E 0%
Tuesday Night 58°F Mostly Clear 0 to 7 mph SE 0%
Wednesday 90°F Sunny 0 to 3 mph NE 0%
Wednesday Night 60°F Mostly Clear 0 to 3 mph E 0%
Thursday 93°F Sunny 1 to 6 mph NNW 0%
Thursday Night 60°F Mostly Clear 1 to 6 mph SSW 1%
Friday 89°F Sunny 1 to 7 mph W 1%
Friday Night 58°F Partly Cloudy 1 to 7 mph S 1%

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

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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 Sep 19, 2026.