Mount Allen Weather Forecast

    • 18
    • 40

    Sunny

    • 30
    • 40

    Chance Rain/Snow

    • 35
    • 44

    Mostly Cloudy

    • 34
    • 45

    Chance Rain Showers

    • 42
    • 46

    Chance Rain Showers

    • 38
    • 58

    Chance Rain Showers

    • 34
    • 47

    Chance Rain Showers

Today 21 Dec Cumberland

Sunny. Highs in the lower 40s. Temperature falling into the mid 30s late. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 21 Dec Cumberland

Clear, cooler with Lows around 20. West Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Allen Temperature Statistics

December Temperature

Harrisburg, Capital City Airport (6.8 miles)

  • Lowest 16 December, 2025

    9 °F

  • Average December

    30.3 °F

  • Highest 19 December, 2025

    57.9 °F

Climate (2020–Present)

Harrisburg, Capital City Airport (6.8 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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