Potomac River - Shipping Point Weather Forecast

    • 71
    • 83

    Slight Chance Thunderstorms

    • 70
    • 82

    Partly Sunny

    • 74
    • 89

    Mostly Sunny

    • 78
    • 91

    Mostly Sunny

    • 77
    • 90

    Mostly Sunny

Today 12 Jul Charles

Mostly cloudy with a chance of Showers. A slight chance of Thunderstorms in the Morning, then a chance of Thunderstorms in the afternoon. Highs in the lower 80s. Northeast Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 12 Jul Charles

Mostly cloudy. A chance of Showers and Thunderstorms in the evening. Lows in the upper 60s. East Winds 5 to 10 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Potomac River - Shipping Point Temperature Statistics

July Temperature

St Marys County Airport (15.5 miles)

  • Lowest 5 July, 2026

    70.7 °F

  • Average July

    82.1 °F

  • Highest 3 July, 2026

    100 °F

Climate (2021–2026)

St Marys County Airport (15.5 miles)

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  • Average Low 2021–2026

    49.4 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    66.9 °F
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