Potomac River - Breton Beach Weather Forecast

    • 69
    • 82

    Thunderstorms

    • 68
    • 85

    Decreasing Clouds

    • 72
    • 88

    Mostly Sunny

    • 78
    • 96

    Mostly Sunny

    • 80
    • 96

    Sunny

    • 79
    • 97

    Chance Rain Showers

    • 78
    • 96

    Chance Thunderstorms

Today 28 Jun St. Marys

Mostly cloudy with scattered Showers and Thunderstorms. Highs in the lower 80s. Northeast Winds around 5 Mph. Chance of rain 50 percent.

Tonight 28 Jun St. Marys

Mostly cloudy. Scattered Showers and Thunderstorms this evening. Patchy fog after midnight. Lows in the upper 60s. East Winds around 5 Mph. Chance of rain 40 percent.

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  • Temperature Real-Time

Potomac River - Breton Beach Temperature Statistics

June Temperature

St Marys County Airport (8.7 miles)

  • Lowest 3 June, 2026

    50.9 °F

  • Average June

    75.1 °F

  • Highest 12 June, 2026

    100.6 °F

Climate (2021–2026)

St Marys County Airport (8.7 miles)

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  • Average Low 2021–2026

    49.3 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    66.8 °F
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