Potomac River - Lake Conoy Entrance Weather Forecast

    • 35
    • 48

    Rain

    • 36
    • 43

    Mostly Sunny

    • 31
    • 46

    Mostly Cloudy

    • 37
    • 41

    Chance Rain

    • 38
    • 47

    Slight Chance Rain

    • 35
    • 45

    Mostly Cloudy

Today 2 Dec St. Marys

Rain. Highs in the lower 40s. Northeast Winds 5 to 10 Mph, becoming northwest with Gusts up to 20 Mph this afternoon. Chance of rain near 100 percent.

Tonight 2 Dec St. Marys

Mostly clear. Lows in the upper 20s. Northwest Winds 5 to 10 Mph with Gusts up to 25 Mph.

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Potomac River - Lake Conoy Entrance Temperature Statistics

December Temperature

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (8.1 miles)

  • Lowest

  • Average December

  • Highest

Climate (2020–Present)

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (8.1 miles)

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  • Average Low 2020–2025

    52.1 °F
  • Average 2020–2025

    60.6 °F
  • Average High 2020–2025

    69 °F
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