Potomac River - Chicken Cock Creek Entrance Weather Forecast

    • 41
    • 50

    Partly Sunny

    • 37
    • 49

    Chance Rain

    • 34
    • 51

    Chance Rain

    • 37
    • 42

    Rain/Sleet Likely

    • 41
    • 47

    Mostly Cloudy

    • 35
    • 54

    Chance Rain

    • 23
    • 42

    Mostly Sunny

Today 23 Dec St. Marys

Mostly sunny. Highs in the lower 50s. Southwest Winds 5 to 10 Mph.

Tonight 23 Dec St. Marys

Partly cloudy in the Evening, then clearing. Lows in the upper 30s. West Winds 5 to 10 Mph.

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Potomac River - Chicken Cock Creek Entrance Temperature Statistics

December Temperature

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (1.9 miles)

  • Lowest 15 December, 2025

    18 °F

  • Average December

    36.9 °F

  • Highest 19 December, 2025

    57.9 °F

Climate (2020–Present)

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (1.9 miles)

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  • Average Low 2020–2025

    52 °F

  • Average 2020–2025

    60.5 °F

  • Average High 2020–2025

    68.9 °F
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