Potomac River - Deep Point Weather Forecast

    • 39
    • 52

    Partly Sunny

    • 50
    • 56

    Rain

    • 45
    • 58

    Rain

    • 31
    • 52

    Chance Rain

    • 32
    • 43

    Mostly Sunny

    • 38
    • 48

    Partly Sunny

    • 36
    • 49

    Mostly Cloudy

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 - Deep Point Temperature Statistics

January Temperature

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (4.3 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 (4.3 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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