Potomac River - Cornfield Harbor Weather Forecast

    • 42
    • 52

    Rain

    • 30
    • 46

    Mostly Sunny

    • 40
    • 43

    Mostly Cloudy

    • 43
    • 55

    Partly Sunny

    • 39
    • 48

    Partly Sunny

    • 45
    • 49

    Chance Rain

Today 31 Jan St. Marys

Rain. Highs in the mid 50s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain near 100 percent.

Tonight 31 Jan St. Marys

Rain. Lows in the lower 40s. Southwest Winds 5 to 10 Mph. Chance of rain near 100 percent.

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Potomac River - Cornfield Harbor Temperature Statistics

January Temperature

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (6.8 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 (6.8 miles)

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  • Average Low 2020–2025

    52.7 °F

  • Average 2020–2025

    61 °F

  • Average High 2020–2025

    69.4 °F
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