Harman US

Columbia, CA Weather & Growing Conditions

Overnight
65°F
Clear
Clear, with a low around 65. East northeast wind around 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 65°F Clear 5 mph ENE 0%
Tuesday 96°F Sunny 6 mph SW 0%
Tuesday Night 68°F Clear 5 mph NNE 0%
Wednesday 95°F Sunny 6 mph WSW 0%
Wednesday Night 68°F Clear 6 mph NNE 0%
Thursday 96°F Sunny 6 mph WSW 0%
Thursday Night 69°F Clear 6 mph NNE 0%
Friday 96°F Sunny 3 to 7 mph W 0%
Friday Night 69°F Clear 6 mph N 0%
Saturday 97°F Sunny 3 to 7 mph W 0%
Saturday Night 70°F Mostly Clear 2 to 6 mph N 0%
Sunday 95°F Sunny 3 to 7 mph SSW 0%
Sunday Night 67°F Mostly Clear 2 to 6 mph N 0%
Monday 91°F Sunny 3 to 7 mph SSW 0%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Columbia, CA

Last spring frost
Feb 20
First fall frost
Dec 11
Growing season
290 days
Hardiness zone
9a

Explore more for Columbia, CA: full frost dates · planting calendar · California frost dates

Climate data from the nearest NOAA station, New Melones Dam Hq, Ca (8.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.