Potomac River - Cornfield Harbor Weather Forecast

    • 77
    • 90

    Rain Showers

    • 76
    • 80

    Rain Showers Likely

    • 77
    • 87

    Mostly Sunny

    • 76
    • 85

    Mostly Sunny

    • 78
    • 86

    Partly Sunny

    • 79
    • 88

    Partly Sunny

Today 1 Jul St. Marys

Sunny in the Morning, then partly sunny with a chance of Showers and Thunderstorms in the afternoon. Highs in the lower 90s. Southwest Winds around 10 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Tonight 1 Jul St. Marys

Partly cloudy. Lows in the upper 70s. Southwest Winds 5 to 10 Mph with Gusts up to 25 Mph.

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Potomac River - Cornfield Harbor Temperature Statistics

July Temperature

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (6.8 miles)

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  • Average July

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Climate (2020–Present)

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (6.8 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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