Chestnut Hill Airport Weather Forecast

    • 24
    • 50

    Mostly Cloudy

    • 23
    • 31

    Mostly Cloudy

    • 19
    • 35

    Slight Chance Snow Showers

    • 16
    • 27

    Partly Sunny

    • 17
    • 30

    Mostly Cloudy

    • 19
    • 32

    Mostly Cloudy

Today 29 Dec Perry

Mostly cloudy with rain Showers likely this Morning, then partly sunny this afternoon. Not as cool with Highs in the upper 40s. Temperature falling into the lower 30s this afternoon. Southwest Winds 15 to 20 Mph. Gusts up to 40 Mph, increasing to 50 Mph this afternoon. Chance of rain 70 percent.

Tonight 29 Dec Perry

Mostly cloudy and Blustery, cooler with Lows in the lower 20s. West Winds 15 to 25 Mph with Gusts up to 50 Mph.

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Chestnut Hill Airport Temperature Statistics

December Temperature

Harrisburg, Capital City Airport (16.8 miles)

  • Lowest 16 December, 2025

    9 °F

  • Average December

    31.5 °F

  • Highest 19 December, 2025

    57.9 °F

Climate (2020–Present)

Harrisburg, Capital City Airport (16.8 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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