Harristown Weather Forecast

    • 48
    • 60

    Rain

    • 40
    • 54

    Rain

    • 32
    • 50

    Mostly Cloudy

    • 31
    • 44

    Chance Rain/Snow

    • 25
    • 42

    Slight Chance Snow

    • 29
    • 40

    Mostly Cloudy

Today 2 Dec Lancaster

Mostly cloudy. Unseasonably warm with Highs around 60. Southwest Winds 5 to 10 Mph.

Tonight 2 Dec Lancaster

A slight chance of rain in the Evening, then rain after midnight. Unseasonably mild. Lows in the upper 40s. East Winds 5 to 10 Mph. Chance of rain near 100 percent.

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Harristown Temperature Statistics

December Temperature

Chester County Airport (11.2 miles)

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  • Average December

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Climate (2018–Present)

Chester County Airport (11.2 miles)

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  • Average Low 2018–2023

    46.3 °F

  • Average 2018–2023

    54.7 °F

  • Average High 2018–2023

    63.1 °F
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