Boonsboro Weather Forecast

    • 19
    • 33

    Chance Snow

    • 12
    • 34

    Mostly Sunny

    • 12
    • 23

    Mostly Sunny

    • 26
    • 35

    Mostly Cloudy

    • 19
    • 38

    Partly Sunny

    • 27
    • 36

    Partly Sunny

Today 18 Jan Washington

Cloudy. A chance of snow this morning. Little or no snow accumulation. Highs in the lower 30s. Northwest Winds 5 to 10 Mph. Chance of snow 50 percent.

Tonight 18 Jan Washington

Partly cloudy. Lows around 18. Northwest Winds around 5 Mph, becoming southwest after midnight.

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Boonsboro Temperature Statistics

January Temperature

Hagerstown, Washington County Regional Airport (14.3 miles)

  • Lowest 1 January, 2026

    19.4 °F

  • Average January

    37.1 °F

  • Highest 7 January, 2026

    57 °F

Climate (2021–Present)

Hagerstown, Washington County Regional Airport (14.3 miles)

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  • Average Low 2021–2026

    47.8 °F

  • Average 2021–2026

    56.8 °F

  • Average High 2021–2026

    65.8 °F
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