Greencastle Weather Forecast

    • 41
    • 71

    Sunny

    • 35
    • 62

    Sunny

    • 44
    • 66

    Mostly Sunny

    • 51
    • 70

    Chance Rain

    • 49
    • 65

    Chance Rain

    • 50
    • 64

    Chance Rain

    • 50
    • 69

    Partly Sunny

Today 8 Oct Franklin

Mostly sunny. Highs around 70. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 8 Oct Franklin

Mostly clear. Much cooler with Lows around 40. North Winds 5 to 10 Mph.

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Greencastle Temperature Statistics

October Temperature

Hagerstown, Washington County Regional Airport (5.6 miles)

  • Lowest 2 October, 2025

    48 °F

  • Average October

    65.2 °F

  • Highest 6 October, 2025

    82 °F

Climate (2020–Present)

Hagerstown, Washington County Regional Airport (5.6 miles)

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  • Average Low 2020–2025

    48 °F

  • Average 2020–2025

    56.9 °F

  • Average High 2020–2025

    66 °F
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