Potomac River - Bullock Island Weather Forecast

    • 68
    • 74

    Chance Rain Showers

    • 68
    • 80

    Chance Thunderstorms

    • 57
    • 78

    Rain Showers Likely

    • 56
    • 66

    Chance Rain Showers

    • 56
    • 63

    Chance Rain Showers

    • 58
    • 67

    Chance Rain Showers

Today 1 May St. Marys

Partly sunny. A chance of Showers in the afternoon. Highs in the mid 70s. East Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 1 May St. Marys

Mostly cloudy. Lows around 60. East Winds around 5 Mph.

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Potomac River - Bullock Island Temperature Statistics

May Temperature

St Marys County Airport (13.7 miles)

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Climate (2020–Present)

St Marys County Airport (13.7 miles)

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  • Average Low 2020–2025

    49.4 °F

  • Average 2020–2025

    57.9 °F

  • Average High 2020–2025

    66.5 °F
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