Colonel Denning State Park Weather Forecast

    • 54
    • 72

    Chance Rain

    • 49
    • 65

    Rain Showers

    • 47
    • 58

    Rain Showers

    • 46
    • 59

    Chance Rain Showers

    • 44
    • 59

    Mostly Cloudy

    • 45
    • 64

    Partly Sunny

    • 47
    • 67

    Partly Sunny

Today 20 Sep Cumberland

Mostly sunny. Highs in the lower 70s.

Tonight 20 Sep Cumberland

Cloudy. A chance of rain this evening. Patchy fog. Lows in the upper 50s. North Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Colonel Denning State Park Temperature Statistics

September Temperature

Harrisburg, Capital City Airport (29.2 miles)

  • Lowest 15 September, 2026

    48.9 °F

  • Average September

    72.8 °F

  • Highest 1 September, 2026

    91.9 °F

Climate (2021–2026)

Harrisburg, Capital City Airport (29.2 miles)

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  • Average Low 2021–2026

    47.5 °F

  • Average 2021–2026

    56.9 °F

  • Average High 2021–2026

    66.2 °F
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