Potomac River - Bullock Island Weather Forecast

    • 64
    • 77

    Partly Sunny

    • 67
    • 81

    Partly Sunny

    • 67
    • 84

    Partly Sunny

    • 67
    • 84

    Mostly Cloudy

    • 63
    • 81

    Slight Chance Rain Showers

    • 67
    • 82

    Partly Sunny

Today 13 Apr St. Marys

Mostly sunny. Highs in the lower 80s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 13 Apr St. Marys

Partly cloudy. Lows in the lower 60s. Southwest Winds 5 to 10 Mph.

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Potomac River - Bullock Island Temperature Statistics

April Temperature

St Marys County Airport (13.7 miles)

  • Lowest 9 April, 2026

    31.1 °F

  • Average April

    58.8 °F

  • Highest 4 April, 2026

    85.3 °F

Climate (2021–Present)

St Marys County Airport (13.7 miles)

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  • Average Low 2021–2026

    49.3 °F

  • Average 2021–2026

    57.9 °F

  • Average High 2021–2026

    66.7 °F
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