Modesto Reservoir Weather Forecast

    • 60
    • 88

    Sunny

    • 66
    • 92

    Partly Sunny

    • 72
    • 96

    Partly Sunny

    • 69
    • 98

    Hot

    • 63
    • 93

    Mostly Sunny

    • 60
    • 88

    Mostly Sunny

Today 7 Sep Central Stanislaus County Including Modesto Metro

Sunny. Highs around 88. Northwest Winds up to 10 Mph.

Tonight 7 Sep Central Stanislaus County Including Modesto Metro

Clear. Lows around 60. Light Winds.

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Modesto Reservoir Temperature Statistics

September Temperature

Modesto City-County Airport - Harry Sham Field (16.2 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 (16.2 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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