Copperopolis Weather Forecast

    • 55
    • 63

    Rain Showers

    • 47
    • 66

    Partly Sunny

    • 50
    • 70

    Sunny

    • 51
    • 73

    Mostly Sunny

    • 52
    • 73

    Mostly Sunny

    • 51
    • 72

    Partly Sunny

Today 22 Oct Northeastern San Joaquin Valley Below 1000 ft

Rain Showers likely and a slight chance of Thunderstorms early in the Morning, then a chance of rain late in the morning. Rain likely early in the Afternoon, then rain Showers and a slight chance of Thunderstorms late in the afternoon. Highs around 66. Southeast Winds up to 10 Mph with Gusts to around 20 Mph.

Tonight 22 Oct Northeastern San Joaquin Valley Below 1000 ft

Mostly cloudy. A chance of rain in the Evening, then a slight chance of rain after midnight. Lows 51 to 57. Light Winds.

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Copperopolis Temperature Statistics

October Temperature

COLUMBIA (12.4 miles)

  • Lowest 14 October, 2026

    41 °F

  • Average October

    69.8 °F

  • Highest 4 October, 2026

    96.8 °F

Climate (2021–2026)

COLUMBIA (12.4 miles)

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  • Average Low 2021–2026

    47.1 °F

  • Average 2021–2026

    59.8 °F

  • Average High 2021–2026

    73.4 °F
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