Chesapeake Bay - Chesapeake Bay Basin Weather Forecast

    • 14
    • 24

    Mostly Cloudy

    • 15
    • 22

    Blustery

    • 18
    • 28

    Blustery

    • 22
    • 34

    Mostly Sunny

    • 29
    • 36

    Chance Rain/Snow

    • 25
    • 35

    Chance Rain/Snow

Today 30 Jan St. Marys

Mostly sunny. Highs in the lower 20s. Northwest Winds 10 to 15 Mph.

Tonight 30 Jan St. Marys

Mostly cloudy. Cold with Lows around 11. North Winds 5 to 10 Mph. Wind chill Values as low as 2 below.

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Chesapeake Bay - Chesapeake Bay Basin Temperature Statistics

January Temperature

Patuxent River, Naval Air Station (1.2 miles)

  • Lowest 24 January, 2026

    14 °F

  • Average January

    35.7 °F

  • Highest 7 January, 2026

    62.1 °F

Climate (2021–Present)

Patuxent River, Naval Air Station (1.2 miles)

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  • Average Low 2021–2026

    52.6 °F

  • Average 2021–2026

    61 °F

  • Average High 2021–2026

    69.3 °F
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