Potomac River - Flood Creek Entrance Weather Forecast

    • 44
    • 52

    Decreasing Clouds

    • 54
    • 56

    Rain Showers

    • 35
    • 65

    Rain Showers

    • 28
    • 39

    Mostly Sunny

    • 35
    • 39

    Partly Sunny

    • 40
    • 49

    Mostly Sunny

Today 14 Mar St. Marys

Partly sunny. Highs in the upper 50s. Northwest Winds 10 to 15 Mph.

Tonight 14 Mar St. Marys

Partly cloudy. Lows in the lower 40s. North Winds around 5 Mph, becoming east after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Potomac River - Flood Creek Entrance Temperature Statistics

March Temperature

St Marys County Airport (7.5 miles)

  • Lowest 2 March, 2026

    31.5 °F

  • Average March

    52.4 °F

  • Highest 11 March, 2026

    85.8 °F

Climate (2021–Present)

St Marys County Airport (7.5 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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