New Melones Lake Weather Forecast

    • 61
    • 80

    Sunny

    • 65
    • 86

    Sunny

    • 75
    • 91

    Partly Sunny

    • 76
    • 96

    Partly Sunny

    • 72
    • 98

    Mostly Sunny

    • 67
    • 92

    Mostly Sunny

    • 64
    • 85

    Mostly Sunny

Today 6 Sep Southern Motherlode Between 1000-3000 ft

Sunny. Highs 74 to 82. Light Winds becoming southwest around 10 Mph in the afternoon. Gusts up to 20 Mph.

Tonight 6 Sep Southern Motherlode Between 1000-3000 ft

Clear. Lows 54 to 62. Light Winds.

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  • Temperature Forecast NOAA

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New Melones Lake Temperature Statistics

September Temperature

COLUMBIA (5 miles)

  • Lowest 2 September, 2026

    48.2 °F

  • Average September

    63.3 °F

  • Highest 2 September, 2026

    77 °F

Climate (2021–2026)

COLUMBIA (5 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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