Potomac River - Saint Margaret Island Weather Forecast

    • 62
    • 79

    Mostly Sunny

    • 56
    • 68

    Chance Rain Showers

    • 59
    • 63

    Rain Showers Likely

    • 64
    • 68

    Rain Showers Likely

    • 65
    • 74

    Chance Thunderstorms

    • 66
    • 76

    Chance Rain Showers

    • 67
    • 81

    Chance Rain Showers

Today 2 May St. Marys

Sunny. Highs in the upper 80s. Southwest Winds 5 to 10 Mph.

Tonight 2 May St. Marys

Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 60s. South Winds around 5 Mph.

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Potomac River - Saint Margaret Island Temperature Statistics

May Temperature

St Marys County Airport (14.3 miles)

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  • Average May

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Climate (2019–Present)

St Marys County Airport (14.3 miles)

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  • Average Low 2019–2024

    49.8 °F

  • Average 2019–2024

    58.2 °F

  • Average High 2019–2024

    66.9 °F
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