Potomac River - Port Sunlight Beach Weather Forecast

    • 70
    • 74

    Rain Showers

    • 75
    • 80

    Chance Thunderstorms

    • 77
    • 90

    Chance Thunderstorms

    • 72
    • 91

    Chance Thunderstorms

    • 69
    • 84

    Mostly Sunny

    • 74
    • 86

    Partly Sunny

Today 16 Jun St. Marys

Cloudy. Scattered Showers late this Morning, then scattered Showers with a slight chance of Thunderstorms this afternoon. Highs in the mid 70s. Northeast Winds 5 to 10 Mph. Chance of rain 50 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.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Potomac River - Port Sunlight Beach Temperature Statistics

June Temperature

St Marys County Airport (11.8 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 (11.8 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    49.6 °F

  • Average 2020–2025

    58 °F

  • Average High 2020–2025

    66.7 °F
Get WillyWeather+ to remove ads