Potomac River - Haulover Inlet Weather Forecast

    • 31
    • 45

    Snow Showers

    • 34
    • 42

    Partly Sunny

    • 40
    • 51

    Partly Sunny

    • 45
    • 56

    Partly Sunny

    • 47
    • 59

    Mostly Cloudy

    • 49
    • 67

    Chance Rain

    • 36
    • 58

    Mostly Sunny

Today 17 Mar Westmoreland

Partly sunny with a slight chance of rain and snow Showers. Highs in the mid 40s. West Winds around 10 Mph with Gusts up to 20 Mph. Chance of precipitation 20 percent.

Tonight 17 Mar Westmoreland

Partly cloudy with a slight chance of rain and snow Showers early this Evening, then mostly clear. Lows in the upper 20s. Northwest Winds 5 to 10 Mph. Chance of precipitation 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Potomac River - Haulover Inlet Temperature Statistics

March Temperature

St Marys County Airport (15.5 miles)

  • Lowest 13 March, 2026

    28.8 °F

  • Average March

    51.5 °F

  • Highest 11 March, 2026

    85.8 °F

Climate (2021–Present)

St Marys County Airport (15.5 miles)

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  • Average Low 2021–2026

    49.3 °F

  • Average 2021–2026

    57.9 °F

  • Average High 2021–2026

    66.6 °F
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