Harrisburg Weather Forecast

    • 12
    • 30

    Decreasing Clouds

    • 28
    • 34

    Mostly Cloudy

    • 31
    • 47

    Chance Rain

    • 27
    • 40

    Chance Snow Showers

    • 20
    • 36

    Chance Snow Showers

    • 18
    • 30

    Mostly Cloudy

Today 8 Dec Dauphin

Partly sunny. Colder with Highs in the upper 20s. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 8 Dec Dauphin

Partly cloudy in the Evening, then clearing. Colder with Lows around 10 above. Northeast Winds around 5 Mph in the Evening, becoming light and variable.

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Harrisburg Temperature Statistics

December Temperature

Harrisburg, Capital City Airport (3.7 miles)

  • Lowest 5 December, 2025

    21.9 °F

  • Average December

    31.8 °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

    47.9 °F

  • Average 2020–2025

    57.2 °F

  • Average High 2020–2025

    66.6 °F
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