Lower Allen Weather Forecast

    • 37
    • 40

    Clearing Late

    • 31
    • 45

    Increasing Clouds

    • 26
    • 45

    Mostly Cloudy

    • 28
    • 32

    Wintry Mix

    • 34
    • 37

    Rain Showers Likely

    • 27
    • 45

    Chance Rain Showers

    • 19
    • 32

    Mostly Cloudy

Today 23 Dec Cumberland

Cloudy. Near steady temperature in the upper 30s. Southwest Winds around 5 Mph.

Tonight 23 Dec Cumberland

Mostly cloudy this Evening, then becoming partly cloudy. Lows in the mid 30s. West Winds 5 to 10 Mph. Gusts up to 20 Mph, increasing to 30 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lower Allen Temperature Statistics

December Temperature

Harrisburg, Capital City Airport (2.5 miles)

  • Lowest 16 December, 2025

    9 °F

  • Average December

    30.5 °F

  • Highest 19 December, 2025

    57.9 °F

Climate (2020–Present)

Harrisburg, Capital City Airport (2.5 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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