Potomac River - Coan River Entrance Weather Forecast

    • 42
    • 50

    Mostly Cloudy

    • 45
    • 51

    Mostly Cloudy

    • 59
    • 67

    Mostly Cloudy

    • 49
    • 70

    Rain Showers

    • 42
    • 57

    Mostly Sunny

    • 49
    • 63

    Mostly Sunny

    • 51
    • 69

    Mostly Cloudy

Today 13 Mar Northumberland

Cloudy. Highs in the lower 50s. North Winds 5 to 10 Mph.

Tonight 13 Mar Northumberland

Mostly cloudy. Patchy fog after midnight. Lows in the lower 40s. Northeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Potomac River - Coan River Entrance Temperature Statistics

March Temperature

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

  • Lowest 2 March, 2025

    24.8 °F

  • Average March

    46.2 °F

  • Highest 1 March, 2025

    69.7 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    52.5 °F

  • Average 2020–2025

    60.8 °F

  • Average High 2020–2025

    69.3 °F
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