Chesapeake Bay - Potomac River Entrance Weather Forecast

    • 64
    • 77

    Mostly Cloudy

    • 59
    • 70

    Chance Rain Showers

    • 59
    • 68

    Partly Sunny

    • 58
    • 68

    Mostly Cloudy

    • 60
    • 64

    Rain Showers Likely

    • 62
    • 66

    Chance Rain Showers

Today 30 Apr St. Marys

Mostly sunny. Highs in the mid 80s. Southwest Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 30 Apr St. Marys

Mostly cloudy with a 20 percent chance of Showers. Lows in the lower 60s. Southwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

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Chesapeake Bay - Potomac River Entrance Temperature Statistics

April Temperature

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

  • Lowest 6 April, 2024

    40.6 °F

  • Average April

    58 °F

  • Highest 15 April, 2024

    87.7 °F

Climate (2019–Present)

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

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  • Average Low 2019–2024

    53.3 °F

  • Average 2019–2024

    61.4 °F

  • Average High 2019–2024

    69.8 °F
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