Potomac River - Rowley Bay Entrance Weather Forecast

    • 38
    • 47

    Rain

    • 41
    • 55

    Rain

    • 31
    • 48

    Mostly Sunny

    • 39
    • 45

    Mostly Cloudy

    • 39
    • 58

    Partly Sunny

    • 33
    • 48

    Partly Sunny

Today 30 Jan St. Marys

Sunny. Highs in the upper 40s. Southeast Winds 5 to 10 Mph.

Tonight 30 Jan St. Marys

Cloudy. A chance of rain in the Evening, then rain after midnight. Lows in the upper 30s. South Winds around 10 Mph. Chance of rain 80 percent.

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Potomac River - Rowley Bay Entrance Temperature Statistics

January Temperature

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (3.7 miles)

  • Lowest 23 January, 2025

    8.9 °F

  • Average January

    31.8 °F

  • Highest 1 January, 2025

    54.6 °F

Climate (2020–Present)

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (3.7 miles)

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  • Average Low 2020–2025

    52.6 °F

  • Average 2020–2025

    60.9 °F

  • Average High 2020–2025

    69.4 °F
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