Potomac River - Saint George Island Beach Weather Forecast

    • 79
    • 88

    Rain Showers Likely

    • 81
    • 92

    Slight Chance Thunderstorms

    • 77
    • 88

    Chance Thunderstorms

    • 77
    • 85

    Chance Thunderstorms

    • 76
    • 88

    Rain Showers Likely

    • 75
    • 84

    Chance Thunderstorms

    • 75
    • 84

    Chance Thunderstorms

Today 16 Jul St. Marys

Partly sunny with a chance of Showers and Thunderstorms. Highs in the upper 80s. South Winds around 10 Mph. Chance of rain 40 percent.

Tonight 16 Jul St. Marys

Mostly cloudy. A chance of Showers and Thunderstorms in the Evening, then a slight chance of Showers after midnight. Lows in the upper 70s. Southwest Winds 10 to 15 Mph. Chance of rain 50 percent.

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  • Temperature Real-Time

Potomac River - Saint George Island Beach Temperature Statistics

July Temperature

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

  • Lowest 5 July, 2025

    66 °F

  • Average July

    80.1 °F

  • Highest 8 July, 2025

    93.7 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    52.5 °F

  • Average 2020–2025

    60.9 °F

  • Average High 2020–2025

    69.3 °F
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