Potomac River - Potter Creek Entrance Weather Forecast

    • 30
    • 42

    Mostly Cloudy

    • 26
    • 38

    Chance Snow

    • 34
    • 41

    Partly Sunny

    • 39
    • 52

    Mostly Cloudy

    • 32
    • 47

    Chance Rain

    • 26
    • 43

    Chance Rain

    • 25
    • 38

    Partly Sunny

Today 7 Dec St. Marys

Partly sunny. Highs in the lower 40s. South Winds around 5 Mph.

Tonight 7 Dec St. Marys

Mostly cloudy. Lows in the upper 20s. West Winds around 5 Mph, becoming north with Gusts up to 20 Mph after midnight.

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Potomac River - Potter Creek Entrance Temperature Statistics

December Temperature

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

  • Lowest 1 December, 2025

    28 °F

  • Average December

    37.1 °F

  • Highest 4 December, 2025

    46 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    52.1 °F

  • Average 2020–2025

    60.5 °F

  • Average High 2020–2025

    68.9 °F
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