Potomac River - Old Breton Beach Weather Forecast

    • 72
    • 85

    Rain Showers Likely

    • 66
    • 80

    Mostly Sunny

    • 67
    • 78

    Partly Sunny

    • 72
    • 81

    Chance Thunderstorms

    • 75
    • 86

    Chance Thunderstorms

    • 73
    • 86

    Chance Thunderstorms

Today 20 Jun St. Marys

Partly sunny. Patchy fog in the morning. A chance of Showers and Thunderstorms in the afternoon. Highs in the upper 80s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 20 Jun St. Marys

Mostly cloudy. Showers likely with a chance of Thunderstorms in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Lows around 70. West Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 60 percent.

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Potomac River - Old Breton Beach Temperature Statistics

June Temperature

St Marys County Airport (8.7 miles)

  • Lowest 4 June, 2019

    44.6 °F
  • Average June

    70.1 °F
  • Highest 17 June, 2019

    87.8 °F

Climate (2010–Present)

St Marys County Airport (8.7 miles)

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  • Average Low 2010–Present

    48 °F
  • Average 2010–Present

    56.5 °F
  • Average High 2010–Present

    65 °F
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