Potomac River - Lawson Point Weather Forecast

    • 78
    • 91

    Slight Chance Thunderstorms

    • 78
    • 90

    Decreasing Clouds

    • 78
    • 92

    Mostly Sunny

    • 75
    • 90

    Chance Thunderstorms

    • 75
    • 88

    Chance Thunderstorms

    • 75
    • 88

    Chance Rain Showers

    • 72
    • 86

    Chance Rain Showers

Today 8 Aug St. Marys

Partly sunny with scattered Showers with a chance of Thunderstorms. Highs in the lower 90s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 8 Aug St. Marys

Mostly cloudy with scattered Showers with a chance of Thunderstorms in the Evening, then partly cloudy after midnight. Some Thunderstorms may be severe. Lows in the mid 70s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.

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Potomac River - Lawson Point 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 °F

  • Highest 6 August, 2026

    88 °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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