New Melones Dam Weather Forecast

    • 60
    • 79

    Sunny

    • 64
    • 85

    Sunny

    • 73
    • 90

    Partly Sunny

    • 75
    • 95

    Partly Sunny

    • 71
    • 97

    Hot

    • 66
    • 91

    Mostly Sunny

    • 63
    • 84

    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

  • Temperature Real-Time

New Melones Dam Temperature Statistics

September Temperature

Modesto City-County Airport - Harry Sham Field (32.3 miles)

  • Lowest 1 September, 2026

    54.6 °F

  • Average September

    69.6 °F

  • Highest 2 September, 2026

    83.6 °F

Climate (2021–2026)

Modesto City-County Airport - Harry Sham Field (32.3 miles)

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  • Average Low 2021–2026

    51.8 °F

  • Average 2021–2026

    63.8 °F

  • Average High 2021–2026

    76.3 °F
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