Potomac River - Cornfield Harbor Weather Forecast

    • 39
    • 52

    Sunny

    • 46
    • 52

    Rain

    • 49
    • 53

    Mostly Cloudy

    • 52
    • 55

    Chance Rain

    • 54
    • 63

    Chance Rain

    • 50
    • 59

    Chance Rain

Today 17 Nov St. Marys

Sunny. Highs in the lower 50s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 17 Nov St. Marys

Clear. Lows in the mid 30s. Northwest Winds 5 to 10 Mph.

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Potomac River - Cornfield Harbor Temperature Statistics

November Temperature

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

  • Lowest 11 November, 2025

    34 °F

  • Average November

    52.4 °F

  • Highest 5 November, 2025

    69.1 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    52.2 °F

  • Average 2020–2025

    60.6 °F

  • Average High 2020–2025

    69.1 °F
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