Harrisburg Weather Forecast

    • 16
    • 27

    Clearing Late

    • 23
    • 34

    Partly Sunny

    • 26
    • 45

    Mostly Cloudy

    • 32
    • 50

    Rain Showers

    • 23
    • 39

    Partly Sunny

    • 34
    • 39

    Slight Chance Rain Showers

Today 15 Dec Dauphin

Mostly sunny this Morning, then mostly cloudy with a slight chance of snow Showers this afternoon. Highs in the mid 20s. West Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of snow 20 percent. Wind chill Values as low as 1 above this morning.

Tonight 15 Dec Dauphin

Mostly cloudy in the Evening, then becoming partly cloudy. Lows around 15. Southwest Winds around 5 Mph.

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Harrisburg Temperature Statistics

December Temperature

Harrisburg, Capital City Airport (3.7 miles)

  • Lowest 9 December, 2025

    10 °F

  • Average December

    30.6 °F

  • Highest 1 December, 2025

    41 °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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