Williamson Weather Forecast

    • 69
    • 90

    Thunderstorms

    • 68
    • 90

    Chance Thunderstorms

    • 68
    • 93

    Chance Rain Showers

    • 65
    • 88

    Slight Chance Thunderstorms

    • 63
    • 81

    Chance Thunderstorms

    • 60
    • 78

    Chance Rain Showers

Today 15 Aug Franklin

Mostly sunny with scattered Showers and Thunderstorms. Near steady temperature in the mid 80s. Northeast Winds around 5 Mph. Chance of rain 40 percent.

Tonight 15 Aug Franklin

Mostly clear with isolated Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Patchy fog after midnight. Humid with Lows in the upper 60s. East Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 20 percent.

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Williamson Temperature Statistics

August Temperature

Hagerstown, Washington County Regional Airport (10.6 miles)

  • Lowest 3 August, 2025

    56.6 °F

  • Average August

    74.3 °F

  • Highest 12 August, 2025

    91 °F

Climate (2020–Present)

Hagerstown, Washington County Regional Airport (10.6 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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