Modesto Reservoir Weather Forecast

    • 56
    • 90

    Sunny

    • 57
    • 88

    Sunny

    • 55
    • 87

    Sunny

    • 56
    • 84

    Mostly Sunny

    • 57
    • 84

    Mostly Sunny

    • 58
    • 84

    Mostly Sunny

Today 29 Aug Central Stanislaus County Including Modesto Metro

Sunny. Highs around 89. Northwest Winds up to 10 Mph with Gusts to around 20 Mph.

Tonight 29 Aug Central Stanislaus County Including Modesto Metro

Clear. Lows around 56. Northwest Winds up to 10 Mph with Gusts to around 20 Mph.

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Modesto Reservoir Temperature Statistics

August Temperature

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

  • Lowest 15 August, 2026

    59.6 °F

  • Average August

    81.3 °F

  • Highest 3 August, 2026

    104.6 °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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