Chesapeake Bay - Potomac River Entrance Weather Forecast

    • 38
    • 44

    Rain Likely

    • 40
    • 54

    Rain

    • 34
    • 47

    Partly Sunny

    • 42
    • 44

    Partly Sunny

    • 43
    • 57

    Partly Sunny

    • 36
    • 48

    Partly Sunny

Today 30 Jan St. Marys

Sunny. Highs in the mid 40s. Northwest Winds around 5 Mph, becoming south in the afternoon.

Tonight 30 Jan St. Marys

Mostly clear. Lows around 30. Northwest Winds 5 to 10 Mph.

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  • Temperature Real-Time

Chesapeake Bay - Potomac River Entrance Temperature Statistics

January Temperature

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (9.3 miles)

  • Lowest 23 January, 2025

    8.9 °F

  • Average January

    31.3 °F

  • Highest 1 January, 2025

    54.6 °F

Climate (2020–Present)

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (9.3 miles)

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  • Average Low 2020–2025

    52.6 °F

  • Average 2020–2025

    60.9 °F

  • Average High 2020–2025

    69.4 °F
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