Modesto Reservoir Weather Forecast

    • 47
    • 75

    Partly Sunny

    • 51
    • 73

    Chance Rain

    • 47
    • 70

    Chance Rain

    • 47
    • 68

    Chance Rain

    • 45
    • 71

    Mostly Sunny

    • 46
    • 75

    Mostly Sunny

    • 45
    • 75

    Mostly Sunny

Today 19 Oct Central Stanislaus County Including Modesto Metro

Mostly sunny. Not as warm. Highs around 75. Northwest Winds up to 10 Mph.

Tonight 19 Oct Central Stanislaus County Including Modesto Metro

Mostly cloudy. Lows around 48. Northwest Winds up to 10 Mph.

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Modesto Reservoir Temperature Statistics

October Temperature

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

  • Lowest 14 October, 2026

    43.6 °F

  • Average October

    73.2 °F

  • Highest 4 October, 2026

    101.6 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    51.9 °F

  • Average 2021–2026

    63.9 °F

  • Average High 2021–2026

    76.4 °F
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