Harrisburg Weather Forecast

    • 31
    • 44

    Increasing Clouds

    • 26
    • 45

    Mostly Cloudy

    • 28
    • 32

    Wintry Mix

    • 33
    • 37

    Rain Showers Likely

    • 26
    • 44

    Rain Showers Likely

    • 19
    • 31

    Mostly Cloudy

Today 24 Dec Dauphin

Sunny. Highs in the lower 40s. Northwest Winds 10 to 15 Mph with Gusts up to 35 Mph.

Tonight 24 Dec Dauphin

Mostly cloudy. Lows around 30. Northwest Winds around 5 Mph, becoming southeast after midnight.

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Harrisburg Temperature Statistics

December Temperature

Harrisburg, Capital City Airport (3.7 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 (3.7 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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