Potomac River - Monroe Bay Entrance Weather Forecast

    • 45
    • 61

    Partly Sunny

    • 48
    • 61

    Increasing Clouds

    • 47
    • 57

    Chance Rain

    • 51
    • 59

    Rain Showers Likely

    • 47
    • 60

    Rain Showers Likely

    • 45
    • 58

    Slight Chance Rain Showers

    • 44
    • 60

    Partly Sunny

Today 26 Oct Westmoreland

Mostly cloudy. Highs in the lower 60s. Northeast Winds around 5 Mph.

Tonight 26 Oct Westmoreland

Partly cloudy. Lows in the mid 40s. Northeast Winds around 5 Mph.

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Potomac River - Monroe Bay Entrance Temperature Statistics

October Temperature

St Marys County Airport (23 miles)

  • Lowest 24 October, 2025

    36 °F

  • Average October

    59.9 °F

  • Highest 7 October, 2025

    80.8 °F

Climate (2020–Present)

St Marys County Airport (23 miles)

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  • Average Low 2020–2025

    49.7 °F

  • Average 2020–2025

    58.1 °F

  • Average High 2020–2025

    66.8 °F
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