Potomac River - Haulover Inlet Weather Forecast

    • 16
    • 21

    Blustery

    • 20
    • 27

    Blustery

    • 19
    • 34

    Mostly Sunny

    • 29
    • 38

    Chance Rain/Snow

    • 24
    • 34

    Chance Rain/Snow

    • 22
    • 32

    Partly Sunny

Today 31 Jan Westmoreland

Cloudy. A chance of snow this afternoon. Little or no snow accumulation. Cold with Highs in the lower 20s. North Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of snow 40 percent. Wind chill Values as low as zero.

Tonight 31 Jan Westmoreland

Cloudy with a 40 percent chance of snow. Little or no snow accumulation. Windy, cold with Lows around 14. North Winds 15 to 25 Mph. Gusts up to 35 Mph, increasing to 45 Mph after midnight. Wind chill Values as low as 4 below.

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Potomac River - Haulover Inlet Temperature Statistics

January Temperature

St Marys County Airport (15.5 miles)

  • Lowest 27 January, 2026

    8.4 °F

  • Average January

    35.6 °F

  • Highest 7 January, 2026

    65.7 °F

Climate (2021–Present)

St Marys County Airport (15.5 miles)

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  • Average Low 2021–2026

    49.4 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    66.7 °F
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