Greencastle Weather Forecast

    • 26
    • 50

    Breezy

    • 38
    • 46

    Rain

    • 33
    • 50

    Rain

    • 25
    • 41

    Mostly Cloudy

    • 36
    • 41

    Mostly Cloudy

    • 32
    • 59

    Mostly Cloudy

Today 29 Jan Franklin

Sunny, breezy with Highs in the mid 40s. West Winds 20 to 25 Mph with Gusts up to 50 Mph.

Tonight 29 Jan Franklin

Mostly clear. Cooler with Lows in the mid 20s. Northwest Winds 15 to 20 Mph with Gusts up to 40 Mph.

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Greencastle Temperature Statistics

January Temperature

Hagerstown, Washington County Regional Airport (5.6 miles)

  • Lowest 22 January, 2025

    1.9 °F

  • Average January

    27 °F

  • Highest 1 January, 2025

    48.7 °F

Climate (2020–Present)

Hagerstown, Washington County Regional Airport (5.6 miles)

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  • Average Low 2020–2025

    47.9 °F

  • Average 2020–2025

    56.7 °F

  • Average High 2020–2025

    65.7 °F
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