Alum Creek Lake Weather Forecast

    • 19
    • 33

    Mostly Sunny

    • 36
    • 41

    Chance Rain

    • 32
    • 51

    Mostly Cloudy

    • 43
    • 51

    Rain

    • 51
    • 61

    Chance Rain

    • 40
    • 61

    Chance Rain

Today 21 Dec Delaware

Sunny. Highs in the lower 30s. Northwest Winds 5 to 10 Mph.

Tonight 21 Dec Delaware

Clear. Lows 15 to 20. West Winds around 5 Mph, becoming south after midnight.

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Alum Creek Lake Temperature Statistics

December Temperature

Delaware Municipal Airport (8.1 miles)

  • Lowest 15 December, 2025

    -2.2 °F

  • Average December

    26.4 °F

  • Highest 18 December, 2025

    55.4 °F

Climate (2020–Present)

Delaware Municipal Airport (8.1 miles)

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  • Average Low 2020–2025

    43 °F

  • Average 2020–2025

    52.3 °F

  • Average High 2020–2025

    61.8 °F
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