Lower Allen Weather Forecast

    • 61
    • 70

    Rain Showers Likely

    • 61
    • 86

    Mostly Sunny

    • 54
    • 86

    Mostly Sunny

    • 56
    • 78

    Partly Sunny

    • 57
    • 77

    Partly Sunny

    • 61
    • 82

    Partly Sunny

Today 17 Sep Cumberland

Mostly cloudy with a slight chance of Showers and Thunderstorms. Cooler. Near steady temperature in the upper 60s. Northeast Winds around 5 Mph. Chance of rain 20 percent.

Tonight 17 Sep Cumberland

Mostly cloudy. A slight chance of Showers and Thunderstorms in the evening. Lows in the upper 50s. Northeast Winds around 5 Mph, becoming north after midnight. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lower Allen Temperature Statistics

September Temperature

Harrisburg, Capital City Airport (2.5 miles)

  • Lowest 8 September, 2025

    46 °F

  • Average September

    68.4 °F

  • Highest 14 September, 2025

    86 °F

Climate (2020–Present)

Harrisburg, Capital City Airport (2.5 miles)

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  • Average Low 2020–2025

    48 °F

  • Average 2020–2025

    57.3 °F

  • Average High 2020–2025

    66.7 °F
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