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Colton, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Colton, a city in San Bernardino County, California.

This Afternoon
89°F
Sunny
Sunny, with a high near 89. West wind 5 to 10 mph.

7-day forecast for Colton

WhenTempForecastWindPrecip
This Afternoon 89°F Sunny 5 to 10 mph W 0%
Tonight 65°F Mostly Clear 0 to 10 mph SW 0%
Sunday 87°F Mostly Sunny 0 to 10 mph SW 0%
Sunday Night 65°F Partly Cloudy 5 to 10 mph SW 1%
Monday 82°F Mostly Sunny 5 to 10 mph SW 1%
Monday Night 63°F Partly Cloudy 0 to 10 mph W 1%
Tuesday 84°F Sunny 0 to 5 mph W 0%
Tuesday Night 65°F Clear 0 to 5 mph NW 0%
Wednesday 94°F Sunny 0 to 10 mph NW 0%
Wednesday Night 68°F Clear 0 to 10 mph NW 0%
Thursday 96°F Sunny 0 to 10 mph NW 2%
Thursday Night 69°F Mostly Clear 0 to 10 mph W 2%
Friday 93°F Sunny 0 to 5 mph SW 3%
Friday Night 69°F Mostly Clear 0 to 5 mph W 1%

Forecast source: National Weather Service (api.weather.gov) for Colton (34.055, -117.325). Updated through the day.

Growing snapshot for Colton

Last spring frost
Jan 10
First fall frost
Jan 2
Growing season
365 days
Hardiness zone
10a

More local growing data for Colton: nearby ZIP 92313 weather · frost dates · planting calendar · California frost dates

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Climate data from the nearest NOAA station, Riverside Citrus Exp, Ca (5.2 mi from Colton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.