Potomac River - Rosilie Island Weather Forecast

    • 35
    • 57

    Becoming Sunny

    • 42
    • 60

    Mostly Sunny

    • 57
    • 69

    Mostly Cloudy

    • 63
    • 80

    Mostly Cloudy

    • 61
    • 77

    Chance Rain Showers

    • 43
    • 75

    Chance Rain Showers

Today 26 Mar Arlington/Falls Church/Alexandria

Mostly sunny. Highs in the mid 50s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 26 Mar Arlington/Falls Church/Alexandria

Mostly clear. Lows in the mid 30s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph, Diminishing to around 5 Mph after midnight.

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  • Temperature Real-Time

Potomac River - Rosilie Island Temperature Statistics

March Temperature

Washington/Reagan National Airport, DC (3.7 miles)

  • Lowest 2 March, 2025

    23.8 °F

  • Average March

    51.6 °F

  • Highest 20 March, 2025

    79.6 °F

Climate (2020–Present)

Washington/Reagan National Airport, DC (3.7 miles)

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  • Average Low 2020–2025

    52.5 °F

  • Average 2020–2025

    60.3 °F

  • Average High 2020–2025

    69 °F
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