Copperopolis Weather Forecast

    • 60
    • 80

    Sunny

    • 64
    • 86

    Sunny

    • 75
    • 91

    Partly Sunny

    • 78
    • 96

    Partly Sunny

    • 74
    • 97

    Hot

    • 66
    • 92

    Mostly Sunny

    • 62
    • 85

    Mostly Sunny

Today 6 Sep Northeastern San Joaquin Valley Below 1000 ft

Sunny. Highs around 82. Northwest Winds up to 10 Mph shifting to the west around 10 Mph in the afternoon.

Tonight 6 Sep Northeastern San Joaquin Valley Below 1000 ft

Clear. Lows around 59. Northwest Winds up to 10 Mph.

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Copperopolis Temperature Statistics

September Temperature

COLUMBIA (12.4 miles)

  • Lowest 2 September, 2026

    48.2 °F

  • Average September

    63.3 °F

  • Highest 2 September, 2026

    77 °F

Climate (2021–2026)

COLUMBIA (12.4 miles)

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  • Average Low 2021–2026

    47 °F

  • Average 2021–2026

    59.7 °F

  • Average High 2021–2026

    73.4 °F
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