Hamilton County State Park Weather Forecast

    • 37
    • 78

    Decreasing Clouds

    • 39
    • 70

    Mostly Cloudy

    • 26
    • 69

    Mostly Cloudy

    • 16
    • 40

    Mostly Cloudy

    • 18
    • 44

    Mostly Sunny

    • 22
    • 54

    Mostly Sunny

Today 25 Dec Hamilton

Partly cloudy. Highs in the upper 70s. West Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 25 Dec Hamilton

Mostly clear. Lows in the upper 30s. West Winds 10 to 15 Mph.

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Hamilton County State Park Temperature Statistics

December Temperature

Lamar Municipal Airport (46.6 miles)

  • Lowest 2 December, 2025

    10.9 °F

  • Average December

    37.6 °F

  • Highest 22 December, 2025

    81 °F

Climate (2020–Present)

Lamar Municipal Airport (46.6 miles)

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  • Average Low 2020–2025

    38.2 °F

  • Average 2020–2025

    54.7 °F

  • Average High 2020–2025

    71.7 °F
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