Potomac River - Cornfield Point Weather Forecast

    • 41
    • 49

    Decreasing Clouds

    • 49
    • 54

    Rain

    • 45
    • 57

    Rain

    • 33
    • 51

    Chance Rain

    • 35
    • 42

    Mostly Sunny

    • 40
    • 47

    Partly Sunny

    • 37
    • 47

    Chance Rain

Today 8 Jan St. Marys

Partly sunny. Highs in the lower 50s. Southeast Winds around 5 Mph.

Tonight 8 Jan St. Marys

Partly cloudy. Lows in the upper 30s. Southeast Winds around 5 Mph.

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Potomac River - Cornfield Point Temperature Statistics

January Temperature

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (7.5 miles)

  • Lowest 1 January, 2026

    26.1 °F

  • Average January

    35 °F

  • Highest 6 January, 2026

    54 °F

Climate (2021–Present)

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (7.5 miles)

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  • Average Low 2021–2026

    51.9 °F

  • Average 2021–2026

    60.4 °F

  • Average High 2021–2026

    68.8 °F
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