Potomac River - Mattox Creek Entrance Weather Forecast

    • 41
    • 60

    Increasing Clouds

    • 45
    • 60

    Mostly Cloudy

    • 46
    • 59

    Mostly Cloudy

    • 46
    • 56

    Mostly Cloudy

    • 48
    • 57

    Chance Rain

    • 43
    • 57

    Chance Rain

    • 42
    • 59

    Slight Chance Rain

Today 25 Oct Westmoreland

Partly sunny. Highs in the lower 60s. Northwest Winds around 5 Mph.

Tonight 25 Oct Westmoreland

Partly cloudy. Lows in the lower 40s. Northwest Winds around 5 Mph.

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Potomac River - Mattox Creek Entrance Temperature Statistics

October Temperature

St Marys County Airport (23 miles)

  • Lowest 17 October, 2025

    41.4 °F

  • Average October

    60.4 °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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