Potomac River - Shipping Point Weather Forecast

    • 75
    • 86

    Thunderstorms Likely

    • 75
    • 91

    Chance Thunderstorms

    • 70
    • 84

    Partly Sunny

    • 71
    • 82

    Partly Sunny

    • 74
    • 85

    Partly Sunny

    • 77
    • 89

    Partly Sunny

Today 19 Jul Charles

Partly sunny. Patchy fog in the morning. A slight chance of Showers in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Highs in the mid 80s. Southwest Winds around 5 Mph. Chance of rain 50 percent.

Tonight 19 Jul Charles

Mostly cloudy with a 40 percent chance of Showers. Lows in the lower 70s. Light and variable Winds.

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  • Temperature Real-Time

Potomac River - Shipping Point Temperature Statistics

July Temperature

St Marys County Airport (15.5 miles)

  • Lowest 5 July, 2025

    62.6 °F

  • Average July

    77.7 °F

  • Highest 1 July, 2025

    91.4 °F

Climate (2020–Present)

St Marys County Airport (15.5 miles)

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  • Average Low 2020–2025

    49.6 °F

  • Average 2020–2025

    58.1 °F

  • Average High 2020–2025

    66.8 °F
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