Potomac River - Coan River Entrance Weather Forecast

    • 45
    • 52

    Rain Showers

    • 46
    • 56

    Mostly Cloudy

    • 49
    • 58

    Mostly Cloudy

    • 51
    • 64

    Chance Rain Showers

    • 44
    • 59

    Chance Rain Showers

    • 44
    • 56

    Partly Sunny

Today 18 Nov Northumberland

Sunny in the Morning, then becoming partly sunny. Highs in the mid 50s. Northwest Winds around 5 Mph, becoming south in the afternoon.

Tonight 18 Nov Northumberland

Showers. Lows in the lower 40s. South Winds 5 to 10 Mph. Chance of rain 80 percent.

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Potomac River - Coan River Entrance Temperature Statistics

November Temperature

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (10.6 miles)

  • Lowest 11 November, 2025

    34 °F

  • Average November

    52.4 °F

  • Highest 5 November, 2025

    69.1 °F

Climate (2020–Present)

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (10.6 miles)

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  • Average Low 2020–2025

    52.2 °F

  • Average 2020–2025

    60.6 °F

  • Average High 2020–2025

    69.1 °F
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