Colton, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Colton, a city in San Bernardino County, California.
Overnight
69°F
Mostly Clear
Mostly clear, with a low around 69. Southwest wind around 0 mph.
7-day forecast for Colton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 69°F | Mostly Clear | 0 mph | 0% |
| Tuesday | 99°F | Sunny | 0 to 10 mph SW | 0% |
| Tuesday Night | 69°F | Mostly Clear | 5 to 10 mph SW | 0% |
| Wednesday | 98°F | Sunny | 0 to 10 mph SW | 0% |
| Wednesday Night | 69°F | Mostly Clear | 0 to 10 mph SW | 0% |
| Thursday | 100°F | Sunny | 0 to 10 mph SW | 1% |
| Thursday Night | 70°F | Mostly Clear | 0 to 10 mph W | 1% |
| Friday | 102°F | Sunny | 0 to 10 mph W | 0% |
| Friday Night | 71°F | Mostly Clear | 0 to 10 mph W | 0% |
| Saturday | 102°F | Sunny | 0 to 10 mph W | 1% |
| Saturday Night | 71°F | Mostly Clear | 0 to 10 mph SW | 1% |
| Sunday | 101°F | Sunny | 0 to 10 mph SW | 1% |
| Sunday Night | 70°F | Mostly Clear | 0 to 10 mph SW | 1% |
| Monday | 97°F | Sunny | 0 to 10 mph SW | 3% |
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 Aug 4, 2026.