George J. Hatfield State Recreation Area Weather Forecast

    • 64
    • 97

    Hot

    • 68
    • 97

    Hot

    • 64
    • 90

    Chance Rain

    • 62
    • 83

    Slight Chance Rain

    • 62
    • 87

    Mostly Sunny

    • 64
    • 91

    Mostly Sunny

Today 16 Sep Merced - Madera - Mendota

Sunny. Highs in the upper 90s. Northwest Winds up to 5 Mph.

Tonight 16 Sep Merced - Madera - Mendota

Mostly clear. Lows in the mid 60s. Northwest Winds up to 5 Mph.

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George J. Hatfield State Recreation Area Temperature Statistics

September Temperature

Modesto City-County Airport - Harry Sham Field (18.6 miles)

  • Lowest 5 September, 2025

    61 °F

  • Average September

    74.8 °F

  • Highest 2 September, 2025

    102 °F

Climate (2020–Present)

Modesto City-County Airport - Harry Sham Field (18.6 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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