Potomac River - Fort Point Weather Forecast

    • 65
    • 77

    Becoming Sunny

    • 65
    • 81

    Mostly Sunny

    • 65
    • 76

    Partly Sunny

    • 65
    • 75

    Partly Sunny

    • 65
    • 76

    Partly Sunny

    • 65
    • 77

    Partly Sunny

Today 18 Sep St. Marys

Mostly cloudy in the Morning, then becoming mostly sunny. Highs in the upper 70s. Northwest Winds around 5 Mph.

Tonight 18 Sep St. Marys

Mostly cloudy. Patchy fog. Lows in the lower 60s. Northwest Winds around 5 Mph.

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Potomac River - Fort Point Temperature Statistics

September Temperature

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (1.2 miles)

  • Lowest 1 September, 2025

    55 °F

  • Average September

    69.4 °F

  • Highest 6 September, 2025

    89.1 °F

Climate (2020–Present)

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (1.2 miles)

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  • Average Low 2020–2025

    52.3 °F

  • Average 2020–2025

    60.7 °F

  • Average High 2020–2025

    69.2 °F
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