Hamilton Weather Forecast

    • 45
    • 81

    Mostly Sunny

    • 49
    • 63

    Partly Sunny

    • 59
    • 77

    Partly Sunny

    • 57
    • 79

    Partly Sunny

    • 56
    • 77

    Partly Sunny

    • 57
    • 78

    Mostly Sunny

Today 20 Dec Hamilton

Sunny. Much warmer with Highs in the lower 80s. Southwest Winds 10 to 15 Mph.

Tonight 20 Dec Hamilton

Mostly clear. Lows in the mid 40s. West Winds 5 to 10 Mph, becoming north after midnight.

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Hamilton Temperature Statistics

December Temperature

Hamilton Municipal Airport (2.5 miles)

  • Lowest 2 December, 2025

    24.8 °F

  • Average December

    47.3 °F

  • Highest 12 December, 2025

    75.2 °F

Climate (2020–Present)

Hamilton Municipal Airport (2.5 miles)

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  • Average Low 2020–2025

    56.3 °F

  • Average 2020–2025

    67.5 °F

  • Average High 2020–2025

    79.5 °F
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