Chesapeake Bay - Potomac River Entrance Weather Forecast

    • 74
    • 81

    Chance Thunderstorms

    • 73
    • 85

    Rain Showers Likely

    • 69
    • 81

    Mostly Sunny

    • 69
    • 78

    Partly Sunny

    • 74
    • 81

    Chance Thunderstorms

    • 76
    • 86

    Chance Thunderstorms

    • 75
    • 86

    Chance Thunderstorms

Today 19 Jun St. Marys

Showers likely with a chance of Thunderstorms. Highs in the mid 80s. South Winds 5 to 10 Mph. Chance of rain 70 percent.

Tonight 19 Jun St. Marys

Mostly cloudy. Showers likely with a chance of Thunderstorms in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Patchy fog after midnight. Lows in the lower 70s. South Winds 5 to 10 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Chesapeake Bay - Potomac River Entrance Temperature Statistics

June Temperature

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

  • Lowest 4 June, 2019

    55 °F

  • Average June

    75.6 °F

  • Highest 17 June, 2019

    90 °F

Climate (2010–Present)

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

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  • Average Low 2010–Present

    50.9 °F

  • Average 2010–Present

    58.9 °F

  • Average High 2010–Present

    66.6 °F
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