Potomac River - Medleys Creek Entrance Weather Forecast

    • 14
    • 25

    Becoming Sunny

    • 14
    • 25

    Mostly Sunny

    • 15
    • 22

    Chance Snow

    • 17
    • 21

    Snow Likely

    • 20
    • 25

    Slight Chance Snow

    • 21
    • 31

    Partly Sunny

    • 24
    • 34

    Partly Sunny

Today 28 Jan St. Marys

Mostly cloudy. Highs in the mid 20s. West Winds around 5 Mph.

Tonight 28 Jan St. Marys

Mostly cloudy this Evening, then clearing. Cold with Lows around 11. Northwest Winds 5 to 10 Mph. Gusts up to 25 Mph after midnight. Wind chill Values as low as 2 below.

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  • Temperature Real-Time

Potomac River - Medleys Creek Entrance Temperature Statistics

January Temperature

St Marys County Airport (8.1 miles)

  • Lowest 24 January, 2026

    11.3 °F

  • Average January

    36.8 °F

  • Highest 7 January, 2026

    65.7 °F

Climate (2021–Present)

St Marys County Airport (8.1 miles)

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  • Average Low 2021–2026

    49.5 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    66.7 °F
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