Kostal-Hawthorne Dam Weather Forecast

    • 15
    • 29

    Sunny

    • 24
    • 48

    Decreasing Clouds

    • 21
    • 53

    Partly Sunny

    • 26
    • 41

    Mostly Cloudy

    • 23
    • 42

    Partly Sunny

    • 29
    • 48

    Partly Sunny

    • 29
    • 55

    Partly Sunny

Today 29 Dec Hamilton

Sunny. Highs in the upper 20s. Northwest Winds 10 to 20 Mph with Gusts to around 30 Mph.

Tonight 29 Dec Hamilton

Clear. Lows around 15. Light Winds then becoming southwest around 10 Mph after midnight.

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Kostal-Hawthorne Dam Temperature Statistics

December Temperature

Aurora, Aurora Municipal Airport (10.6 miles)

  • Lowest 14 December, 2025

    -0.9 °F

  • Average December

    34.5 °F

  • Highest 26 December, 2025

    67.1 °F

Climate (2020–Present)

Aurora, Aurora Municipal Airport (10.6 miles)

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  • Average Low 2020–2025

    40.4 °F

  • Average 2020–2025

    51.8 °F

  • Average High 2020–2025

    63.6 °F
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