Potomac River - Flood Creek Entrance Weather Forecast

    • 30
    • 50

    Mostly Sunny

    • 16
    • 45

    Mostly Cloudy

    • 21
    • 22

    Snow

    • 23
    • 31

    Snow Likely

    • 12
    • 27

    Mostly Sunny

    • 19
    • 28

    Mostly Sunny

Today 22 Jan St. Marys

Sunny. Highs in the lower 50s. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 22 Jan St. Marys

Mostly clear. Lows in the upper 20s. Northwest Winds around 5 Mph.

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Potomac River - Flood Creek Entrance Temperature Statistics

January Temperature

St Marys County Airport (7.5 miles)

  • Lowest 19 January, 2026

    19.4 °F

  • Average January

    38.6 °F

  • Highest 7 January, 2026

    65.7 °F

Climate (2021–Present)

St Marys County Airport (7.5 miles)

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  • Average Low 2021–2026

    49.5 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    66.7 °F
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