Potomac River - Kaywood Point Weather Forecast

    • 77
    • 86

    Thunderstorms

    • 75
    • 84

    Partly Sunny

    • 76
    • 85

    Chance Rain Showers

    • 73
    • 83

    Rain Showers

    • 73
    • 81

    Rain Showers Likely

    • 73
    • 80

    Rain Showers Likely

    • 71
    • 81

    Chance Rain Showers

Today 17 Aug St. Marys

Mostly sunny. Highs in the upper 80s. West Winds around 5 Mph.

Tonight 17 Aug St. Marys

Mostly cloudy. Scattered Showers and Thunderstorms, mainly this evening. Lows in the lower 70s. Northwest Winds around 5 Mph. Chance of rain 50 percent.

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  • Temperature Real-Time

Potomac River - Kaywood Point Temperature Statistics

August Temperature

St Marys County Airport (9.9 miles)

  • Lowest 1 August, 2026

    69.1 °F

  • Average August

    79.7 °F

  • Highest 9 August, 2026

    92.3 °F

Climate (2021–2026)

St Marys County Airport (9.9 miles)

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  • Average Low 2021–2026

    49.4 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    66.9 °F
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