Potomac River - Weir Creek Entrance Weather Forecast

    • 38
    • 57

    Decreasing Clouds

    • 45
    • 58

    Mostly Sunny

    • 58
    • 67

    Chance Rain Showers

    • 63
    • 76

    Chance Rain Showers

    • 62
    • 74

    Chance Rain Showers

    • 46
    • 74

    Chance Thunderstorms

Today 26 Mar Charles

Mostly sunny. Highs in the upper 50s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 26 Mar Charles

Mostly clear. Lows in the mid 30s. Northwest Winds 10 to 15 Mph, Diminishing to around 5 Mph after midnight.

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Potomac River - Weir Creek Entrance Temperature Statistics

March Temperature

St Marys County Airport (19.9 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 (19.9 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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