Harman US

Copperopolis, CA Weather & Growing Conditions

Tonight
60°F
Clear
Clear, with a low around 60. North northwest wind around 6 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 60°F Clear 6 mph NNW 0%
Saturday 85°F Sunny 5 to 8 mph WNW 0%
Saturday Night 65°F Partly Cloudy 7 mph N 0%
Sunday 83°F Partly Sunny 5 to 9 mph NW 0%
Sunday Night 63°F Mostly Cloudy 10 mph NNW 0%
Monday 84°F Sunny 10 mph NW 0%
Monday Night 63°F Mostly Clear 9 mph NNW 0%
Tuesday 86°F Sunny 8 mph NW 0%
Tuesday Night 66°F Clear 5 to 8 mph N 0%
Wednesday 91°F Sunny 7 mph NW 0%
Wednesday Night 70°F Mostly Clear 7 mph N 0%
Thursday 94°F Sunny 3 to 8 mph NW 0%
Thursday Night 71°F Mostly Clear 8 mph NNW 0%
Friday 90°F Sunny 5 to 10 mph NW 0%

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

Growing snapshot for Copperopolis, CA

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

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

Climate data from the nearest NOAA station, New Melones Dam Hq, Ca (12.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.