Green Bank Weather Forecast

    • 22
    • 39

    Snow

    • 15
    • 26

    Partly Sunny

    • 18
    • 28

    Mostly Cloudy

    • 23
    • 30

    Partly Sunny

    • 30
    • 43

    Mostly Cloudy

    • 34
    • 49

    Chance Rain Showers

Today 13 Dec Lancaster

Mostly cloudy. Highs in the lower 40s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 13 Dec Lancaster

Snow. Snow accumulation of 1 to 3 Inches. Lows in the lower 20s. Northwest Winds 5 to 10 Mph. Chance of snow near 100 percent.

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Green Bank Temperature Statistics

December Temperature

Chester County Airport (11.2 miles)

  • Lowest 9 December, 2025

    12.2 °F

  • Average December

    30.6 °F

  • Highest 1 December, 2025

    41 °F

Climate (2020–Present)

Chester County Airport (11.2 miles)

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  • Average Low 2020–2025

    46 °F

  • Average 2020–2025

    54.5 °F

  • Average High 2020–2025

    63 °F
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