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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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.