Potomac River - McKays Beach Weather Forecast

    • 75
    • 84

    Rain Showers

    • 71
    • 84

    Rain Showers Likely

    • 72
    • 83

    Chance Rain Showers

    • 75
    • 84

    Chance Thunderstorms

    • 76
    • 87

    Chance Rain Showers

    • 75
    • 87

    Chance Thunderstorms

    • 75
    • 87

    Chance Thunderstorms

Today 2 Aug St. Marys

Showers with a chance of Thunderstorms. Highs in the mid 80s. Southeast Winds 10 to 15 Mph. Chance of rain 80 percent.

Tonight 2 Aug St. Marys

Cloudy with a chance of Thunderstorms. Showers, mainly this evening. Lows in the mid 70s. South Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 90 percent.

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Potomac River - McKays Beach Temperature Statistics

August Temperature

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (7.5 miles)

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Climate (2021–2026)

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (7.5 miles)

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  • Average Low 2021–2026

    51.9 °F

  • Average 2021–2026

    60.4 °F

  • Average High 2021–2026

    68.7 °F
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