Alum Creek Lake Weather Forecast

    • 57
    • 88

    Sunny

    • 59
    • 89

    Mostly Sunny

    • 61
    • 87

    Partly Sunny

    • 62
    • 88

    Chance Rain Showers

    • 61
    • 82

    Rain Showers Likely

    • 61
    • 82

    Chance Rain Showers

    • 59
    • 79

    Chance Rain Showers

Today 18 Sep Delaware

Sunny. Highs in the upper 80s. Northwest Winds around 5 Mph.

Tonight 18 Sep Delaware

Clear. Lows in the upper 50s. Northeast Winds around 5 Mph, becoming east around 5 Mph after Midnight, then becoming light and variable late.

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Alum Creek Lake Temperature Statistics

September Temperature

Delaware Municipal Airport (8.1 miles)

  • Lowest 8 September, 2025

    41 °F

  • Average September

    64.8 °F

  • Highest 15 September, 2025

    87.8 °F

Climate (2020–Present)

Delaware Municipal Airport (8.1 miles)

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  • Average Low 2020–2025

    43.1 °F

  • Average 2020–2025

    52.2 °F

  • Average High 2020–2025

    61.7 °F
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