Potomac River - Medleys Creek Entrance Weather Forecast

    • 54
    • 67

    Rain Showers

    • 49
    • 60

    Breezy

    • 49
    • 59

    Mostly Sunny

    • 50
    • 59

    Mostly Sunny

    • 53
    • 61

    Mostly Sunny

    • 47
    • 60

    Mostly Sunny

Today 30 Oct St. Marys

Patchy fog this morning. Showers and scattered Thunderstorms this Morning, then partly sunny with scattered Showers this afternoon. Highs in the upper 60s. Southeast Winds 10 to 15 Mph, becoming south this afternoon. Gusts up to 30 Mph. Chance of rain near 100 percent.

Tonight 30 Oct St. Marys

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

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  • Temperature Real-Time

Potomac River - Medleys Creek Entrance Temperature Statistics

October Temperature

St Marys County Airport (8.1 miles)

  • Lowest 24 October, 2025

    36 °F

  • Average October

    58.8 °F

  • Highest 7 October, 2025

    80.8 °F

Climate (2020–Present)

St Marys County Airport (8.1 miles)

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  • Average Low 2020–2025

    49.6 °F

  • Average 2020–2025

    58.1 °F

  • Average High 2020–2025

    66.8 °F
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