Potomac River - Monroe Bay Entrance Weather Forecast

    • 35
    • 56

    Decreasing Clouds

    • 44
    • 59

    Mostly Sunny

    • 57
    • 68

    Mostly Cloudy

    • 59
    • 76

    Mostly Cloudy

    • 62
    • 76

    Chance Rain Showers

    • 47
    • 78

    Chance Rain Showers

Today 26 Mar Westmoreland

Partly sunny. Highs in the upper 50s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 26 Mar Westmoreland

Mostly clear. Lows in the mid 30s. Northwest Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening.

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Potomac River - Monroe Bay Entrance Temperature Statistics

March Temperature

St Marys County Airport (23 miles)

  • Lowest 3 March, 2025

    21.2 °F

  • Average March

    47.4 °F

  • Highest 20 March, 2025

    73.4 °F

Climate (2020–Present)

St Marys County Airport (23 miles)

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  • Average Low 2020–2025

    49.4 °F

  • Average 2020–2025

    57.8 °F

  • Average High 2020–2025

    66.5 °F
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