Boonsboro Weather Forecast

    • 68
    • 81

    Rain Showers

    • 65
    • 85

    Partly Sunny

    • 51
    • 76

    Mostly Sunny

    • 57
    • 78

    Mostly Sunny

    • 62
    • 83

    Mostly Sunny

    • 64
    • 85

    Chance Rain Showers

Today 12 Sep Washington

Mostly cloudy with isolated Showers and Thunderstorms. Highs in the lower 80s. Southeast Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 12 Sep Washington

Showers and scattered Thunderstorms. Patchy fog after midnight. Lows in the upper 60s. Southeast Winds 5 to 10 Mph. Chance of rain 90 percent.

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Boonsboro Temperature Statistics

September Temperature

Hagerstown, Washington County Regional Airport (14.3 miles)

  • Lowest 7 September, 2026

    56.6 °F

  • Average September

    75.6 °F

  • Highest 1 September, 2026

    93.7 °F

Climate (2021–2026)

Hagerstown, Washington County Regional Airport (14.3 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    56.9 °F

  • Average High 2021–2026

    66 °F
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