Potomac River - Saint Clements Island Weather Forecast

    • 72
    • 73

    Chance Rain Showers

    • 77
    • 79

    Rain Showers Likely

    • 79
    • 85

    Chance Thunderstorms

    • 74
    • 88

    Chance Thunderstorms

    • 72
    • 81

    Mostly Sunny

    • 76
    • 82

    Mostly Sunny

Today 16 Jun St. Marys

Cloudy. Patchy fog this morning. A chance of Showers this Morning, then a slight chance of Showers and Thunderstorms this afternoon. Highs in the mid 70s. Northeast Winds 5 to 10 Mph. Chance of rain 30 percent.

Tonight 16 Jun St. Marys

Mostly cloudy with a 20 percent chance of Showers. Lows in the upper 60s. East Winds around 5 Mph.

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Potomac River - Saint Clements Island Temperature Statistics

June Temperature

St Marys County Airport (12.4 miles)

  • Lowest 1 June, 2025

    46.4 °F

  • Average June

    71.1 °F

  • Highest 12 June, 2025

    87.8 °F

Climate (2020–Present)

St Marys County Airport (12.4 miles)

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  • Average Low 2020–2025

    49.6 °F

  • Average 2020–2025

    58 °F

  • Average High 2020–2025

    66.7 °F
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