Potomac River - Cornfield Harbor Weather Forecast

    • 48
    • 54

    Partly Sunny

    • 57
    • 59

    Rain

    • 43
    • 64

    Chance Rain Showers

    • 36
    • 49

    Mostly Sunny

    • 35
    • 43

    Mostly Sunny

    • 39
    • 44

    Partly Sunny

Today 24 Nov St. Marys

Sunny. Highs in the mid 50s. Northwest Winds around 5 Mph.

Tonight 24 Nov St. Marys

Partly cloudy. Lows in the lower 40s. South Winds around 5 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

    51.6 °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 °F
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