Potomac River - Cornfield Harbor Weather Forecast

    • 12
    • 26

    Windy

    • 15
    • 25

    Blustery

    • 27
    • 32

    Partly Sunny

    • 36
    • 41

    Partly Sunny

    • 31
    • 42

    Chance Rain

    • 30
    • 37

    Chance Rain/Snow

    • 28
    • 36

    Chance Rain/Snow

Today 7 Feb St. Marys

Sunny and very windy. Highs in the mid 20s. Northwest Winds 25 to 35 Mph with Gusts up to 60 Mph. Wind chill Values as low as zero.

Tonight 7 Feb St. Marys

Mostly clear and Windy, cold with Lows around 10 above. Northwest Winds 20 to 30 Mph. Gusts up to 55 Mph in the evening. Wind chill Values as low as 6 below after midnight.

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Potomac River - Cornfield Harbor Temperature Statistics

February Temperature

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

  • Lowest 5 February, 2026

    19.9 °F

  • Average February

    27.9 °F

  • Highest 5 February, 2026

    32 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    52 °F

  • Average 2021–2026

    60.5 °F

  • Average High 2021–2026

    68.9 °F
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