South Mountain Weather Forecast

    • 60
    • 77

    Mostly Sunny

    • 63
    • 81

    Partly Sunny

    • 68
    • 86

    Mostly Sunny

    • 70
    • 90

    Slight Chance Thunderstorms

    • 68
    • 86

    Chance Thunderstorms

    • 67
    • 84

    Chance Thunderstorms

Today 22 Jul Franklin

Sunny. Highs in the lower 80s. Northeast Winds around 5 Mph.

Tonight 22 Jul Franklin

Mostly clear. Lows around 60. Northeast Winds around 5 Mph.

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South Mountain Temperature Statistics

July Temperature

Hagerstown, Washington County Regional Airport (15.5 miles)

  • Lowest 5 July, 2025

    63.6 °F

  • Average July

    80.4 °F

  • Highest 7 July, 2025

    94.6 °F

Climate (2020–Present)

Hagerstown, Washington County Regional Airport (15.5 miles)

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  • Average Low 2020–2025

    48 °F

  • Average 2020–2025

    56.9 °F

  • Average High 2020–2025

    65.9 °F
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