Potomac River - Alexandria Weather Forecast

    • 43
    • 74

    Rain Showers

    • 45
    • 63

    Mostly Sunny

    • 34
    • 54

    Mostly Sunny

    • 39
    • 56

    Mostly Sunny

    • 48
    • 67

    Partly Sunny

    • 53
    • 76

    Mostly Sunny

Today 5 Apr Arlington/Falls Church/Alexandria

Showers. Scattered Thunderstorms late this Morning, then isolated Thunderstorms this afternoon. Highs in the lower 70s. Southwest Winds around 15 Mph, becoming northwest this afternoon. Chance of rain near 100 percent.

Tonight 5 Apr Arlington/Falls Church/Alexandria

Partly cloudy in the Evening, then clearing. Cooler with Lows in the lower 40s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

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Potomac River - Alexandria Temperature Statistics

April Temperature

Washington/Reagan National Airport, DC (2.5 miles)

  • Lowest 3 April, 2026

    48 °F

  • Average April

    65.6 °F

  • Highest 1 April, 2026

    87.7 °F

Climate (2021–Present)

Washington/Reagan National Airport, DC (2.5 miles)

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  • Average Low 2021–2026

    52.4 °F

  • Average 2021–2026

    60.3 °F

  • Average High 2021–2026

    69.2 °F
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