Potomac River - McKays Beach Weather Forecast

    • 72
    • 92

    Rain Showers Likely

    • 67
    • 81

    Chance Rain Showers

    • 68
    • 84

    Mostly Sunny

    • 71
    • 85

    Mostly Cloudy

    • 69
    • 87

    Rain Showers Likely

    • 68
    • 82

    Slight Chance Rain Showers

Today 18 Jun St. Marys

Partly sunny. A chance of Showers and Thunderstorms in the afternoon. Highs in the mid 90s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 50 percent.

Tonight 18 Jun St. Marys

Mostly cloudy with a chance of Showers. A chance of Thunderstorms, mainly in the evening. Lows in the lower 70s. West Winds 10 to 15 Mph with Gusts up to 25 Mph, Diminishing to around 5 Mph after midnight. Chance of rain 50 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Potomac River - McKays Beach Temperature Statistics

June Temperature

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (7.5 miles)

  • Lowest 3 June, 2026

    54 °F

  • Average June

    75.2 °F

  • Highest 12 June, 2026

    98.1 °F

Climate (2021–2026)

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (7.5 miles)

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

  • Average Low 2021–2026

    51.9 °F

  • Average 2021–2026

    60.4 °F

  • Average High 2021–2026

    68.8 °F
Get WillyWeather+ to remove ads