Cowans Gap State Park Weather Forecast

    • 44
    • 62

    Decreasing Clouds

    • 48
    • 70

    Mostly Sunny

    • 50
    • 71

    Partly Sunny

    • 51
    • 67

    Mostly Cloudy

    • 50
    • 67

    Partly Sunny

    • 51
    • 70

    Partly Sunny

Today 24 Sep Fulton

Mostly sunny. Highs in the lower 60s. Northeast Winds around 5 Mph.

Tonight 24 Sep Fulton

Partly cloudy in the Evening, then clearing. Lows in the mid 40s. North Winds 5 to 10 Mph.

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Cowans Gap State Park Temperature Statistics

September Temperature

Hagerstown, Washington County Regional Airport (21.7 miles)

  • Lowest 15 September, 2026

    50.6 °F

  • Average September

    73.5 °F

  • Highest 1 September, 2026

    93.7 °F

Climate (2021–2026)

Hagerstown, Washington County Regional Airport (21.7 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    56.8 °F

  • Average High 2021–2026

    66 °F
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