Potomac River - Rowley Bay Entrance Weather Forecast

    • 75
    • 86

    Rain Showers Likely

    • 75
    • 85

    Slight Chance Rain Showers

    • 78
    • 86

    Rain Showers Likely

    • 76
    • 88

    Chance Thunderstorms

    • 75
    • 85

    Slight Chance Rain Showers

    • 76
    • 85

    Slight Chance Rain Showers

Today 14 Aug St. Marys

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms in the afternoon. Highs in the upper 80s. Northeast Winds around 5 Mph. Chance of rain 30 percent.

Tonight 14 Aug St. Marys

Mostly cloudy with scattered Showers. Lows in the mid 70s. Northeast Winds around 5 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Potomac River - Rowley Bay Entrance Temperature Statistics

August Temperature

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (3.7 miles)

  • Lowest 1 August, 2026

    69.1 °F

  • Average August

    80.5 °F

  • Highest 9 August, 2026

    91 °F

Climate (2021–2026)

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (3.7 miles)

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  • Average Low 2021–2026

    51.9 °F

  • Average 2021–2026

    60.4 °F

  • Average High 2021–2026

    68.7 °F
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