Modesto Weather Forecast

    • 60
    • 88

    Sunny

    • 63
    • 87

    Sunny

    • 67
    • 93

    Sunny

    • 68
    • 97

    Hot

    • 68
    • 97

    Hot

    • 67
    • 95

    Mostly Sunny

Today 13 Sep Northern San Joaquin Valley

Sunny. Highs 82 to 90. West Winds up to 10 Mph. Gusts up to 20 Mph in the afternoon.

Tonight 13 Sep Northern San Joaquin Valley

Clear. Lows 55 to 61. Northwest Winds up to 10 Mph with Gusts to around 20 Mph.

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Modesto Temperature Statistics

September Temperature

Modesto City-County Airport - Harry Sham Field (2.5 miles)

  • Lowest 5 September, 2025

    61 °F

  • Average September

    75.2 °F

  • Highest 2 September, 2025

    102 °F

Climate (2020–Present)

Modesto City-County Airport - Harry Sham Field (2.5 miles)

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  • Average Low 2020–2025

    51.2 °F

  • Average 2020–2025

    63.3 °F

  • Average High 2020–2025

    76.1 °F
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