Potomac River - Cornfield Harbor Weather Forecast

    • 43
    • 52

    Gradual Clearing

    • 46
    • 52

    Partly Sunny

    • 46
    • 54

    Partly Sunny

    • 45
    • 53

    Mostly Sunny

    • 45
    • 54

    Mostly Sunny

    • 46
    • 57

    Sunny

Today 13 Nov St. Marys

Partly sunny in the Morning, then becoming mostly cloudy. Highs in the lower 50s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 13 Nov St. Marys

Partly cloudy in the Evening, then clearing. Lows in the mid 30s. North Winds 5 to 10 Mph with Gusts up to 25 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 10 November, 2026

    39 °F

  • Average November

    58.5 °F

  • Highest 5 November, 2026

    75.9 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    51.7 °F

  • Average 2021–2026

    60.2 °F

  • Average High 2021–2026

    68.5 °F
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