Mainsville Weather Forecast

    • 48
    • 74

    Sunny

    • 50
    • 76

    Mostly Sunny

    • 52
    • 77

    Partly Sunny

    • 55
    • 82

    Mostly Sunny

    • 52
    • 79

    Mostly Sunny

    • 53
    • 79

    Partly Sunny

Today 8 Sep Franklin

Sunny. Highs in the mid 70s. North Winds around 5 Mph.

Tonight 8 Sep Franklin

Clear, cooler with Lows in the upper 40s. Northwest Winds around 5 Mph.

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Mainsville Temperature Statistics

September Temperature

Hagerstown, Washington County Regional Airport (24.2 miles)

  • Lowest 1 September, 2025

    52 °F

  • Average September

    70.3 °F

  • Highest 5 September, 2025

    87.1 °F

Climate (2020–Present)

Hagerstown, Washington County Regional Airport (24.2 miles)

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  • Average Low 2020–2025

    47.9 °F

  • Average 2020–2025

    56.8 °F

  • Average High 2020–2025

    65.9 °F
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