Copperopolis, CA Weather & Growing Conditions
This Afternoon
63°F
Light Rain Likely
Rain likely. Mostly cloudy. High near 63, with temperatures falling to around 57 in the afternoon. Southeast wind 5 to 8 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 63°F | Light Rain Likely | 5 to 8 mph SE | 55% |
| Tonight | 46°F | Mostly Clear | 3 to 8 mph NNE | 8% |
| Wednesday | 64°F | Sunny | 8 to 12 mph NW | 0% |
| Wednesday Night | 47°F | Partly Cloudy | 5 to 8 mph N | 0% |
| Thursday | 66°F | Sunny | 3 to 9 mph NW | 0% |
| Thursday Night | 48°F | Clear | 3 to 7 mph NNE | 0% |
| Friday | 68°F | Sunny | 6 mph NW | 0% |
| Friday Night | 51°F | Clear | 5 mph NNE | 0% |
| Saturday | 72°F | Sunny | 6 mph S | 0% |
| Saturday Night | 53°F | Mostly Clear | 6 mph NE | 0% |
| Sunday | 72°F | Sunny | 6 mph NW | 0% |
| Sunday Night | 54°F | Partly Cloudy | 5 mph N | 0% |
| Monday | 70°F | Mostly Sunny | 3 to 7 mph N | 0% |
| Monday Night | 53°F | Partly Cloudy | 7 mph NNW | 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 Nov 4, 2026.