Potomac River - Potter Creek Entrance Weather Forecast

    • 59
    • 69

    Mostly Sunny

    • 54
    • 73

    Rain Showers

    • 51
    • 67

    Mostly Sunny

    • 55
    • 69

    Slight Chance Rain Showers

    • 49
    • 66

    Mostly Sunny

    • 47
    • 63

    Mostly Sunny

    • 51
    • 62

    Partly Sunny

Today 18 Oct St. Marys

Sunny. Highs around 70. South Winds 5 to 10 Mph.

Tonight 18 Oct St. Marys

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 50s. South Winds 5 to 10 Mph with Gusts up to 20 Mph.

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Potomac River - Potter Creek Entrance Temperature Statistics

October Temperature

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (5.6 miles)

  • Lowest 3 October, 2025

    46.9 °F

  • Average October

    63 °F

  • Highest 7 October, 2025

    82 °F

Climate (2020–Present)

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (5.6 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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