Potomac River - McKays Beach Weather Forecast

    • 50
    • 68

    Rain Showers

    • 46
    • 62

    Sunny

    • 46
    • 61

    Mostly Sunny

    • 48
    • 61

    Partly Sunny

    • 49
    • 63

    Partly Sunny

    • 45
    • 61

    Mostly Sunny

Today 30 Oct St. Marys

Partly sunny with isolated Showers. Highs in the upper 60s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 30 Oct St. Marys

Mostly clear. Lows in the upper 40s. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Real-Time

Potomac River - McKays Beach Temperature Statistics

October Temperature

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (7.5 miles)

  • Lowest 24 October, 2025

    39 °F

  • Average October

    60.2 °F

  • Highest 7 October, 2025

    82 °F

Climate (2020–Present)

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (7.5 miles)

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  • Average Low 2020–2025

    52.2 °F

  • Average 2020–2025

    60.7 °F

  • Average High 2020–2025

    69.1 °F
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