Potomac River - Judith Sound Weather Forecast

    • 33
    • 48

    Mostly Cloudy

    • 22
    • 35

    Chance Snow

    • 26
    • 35

    Mostly Sunny

    • 31
    • 40

    Partly Sunny

    • 39
    • 51

    Mostly Cloudy

    • 41
    • 58

    Mostly Cloudy

Today 13 Dec Northumberland

Partly sunny. Highs in the upper 40s. Southwest Winds 5 to 10 Mph.

Tonight 13 Dec Northumberland

Partly cloudy in the Evening, then mostly cloudy with a chance of rain and snow after midnight. Lows in the lower 30s. Southwest Winds around 5 Mph, becoming northwest after midnight. Chance of precipitation 40 percent.

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Potomac River - Judith Sound Temperature Statistics

December Temperature

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (9.9 miles)

  • Lowest 9 December, 2025

    21.9 °F

  • Average December

    36.2 °F

  • Highest 10 December, 2025

    48 °F

Climate (2020–Present)

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (9.9 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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