Potomac River - Saint George Island Beach Weather Forecast

    • 73
    • 88

    Chance Thunderstorms

    • 73
    • 86

    Becoming Sunny

    • 76
    • 88

    Chance Rain Showers

    • 71
    • 86

    Chance Thunderstorms

    • 71
    • 83

    Partly Sunny

    • 75
    • 86

    Chance Rain Showers

    • 74
    • 88

    Chance Rain Showers

Today 11 Aug St. Marys

Partly sunny with a slight chance of Showers and Thunderstorms. Highs in the upper 80s. West Winds around 5 Mph. Chance of rain 20 percent.

Tonight 11 Aug St. Marys

Mostly cloudy with a chance of Showers and Thunderstorms. Lows around 70. Southwest Winds around 5 Mph. Chance of rain 40 percent.

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Potomac River - Saint George Island Beach Temperature Statistics

August Temperature

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (3.7 miles)

  • Lowest 1 August, 2026

    69.1 °F

  • Average August

    80.9 °F

  • Highest 9 August, 2026

    91 °F

Climate (2021–2026)

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (3.7 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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