Colonel Denning State Park Weather Forecast

    • 22
    • 32

    Increasing Clouds

    • 24
    • 44

    Mostly Cloudy

    • 38
    • 48

    Rain Showers

    • 21
    • 41

    Partly Sunny

    • 29
    • 38

    Mostly Cloudy

    • 25
    • 43

    Mostly Cloudy

Today 16 Dec Cumberland

Sunny. Highs in the lower 30s. Southwest Winds around 5 Mph.

Tonight 16 Dec Cumberland

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 20s. South Winds around 5 Mph.

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Colonel Denning State Park Temperature Statistics

December Temperature

Harrisburg, Capital City Airport (29.2 miles)

  • Lowest 9 December, 2025

    10 °F

  • Average December

    30.1 °F

  • Highest 1 December, 2025

    41 °F

Climate (2020–Present)

Harrisburg, Capital City Airport (29.2 miles)

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  • Average Low 2020–2025

    47.8 °F

  • Average 2020–2025

    57.1 °F

  • Average High 2020–2025

    66.5 °F
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