Potomac River - Alexandria Weather Forecast

    • 71
    • 84

    Rain Showers

    • 72
    • 83

    Rain Showers Likely

    • 71
    • 87

    Rain Showers

    • 72
    • 91

    Chance Thunderstorms

    • 69
    • 87

    Chance Thunderstorms

    • 68
    • 86

    Chance Rain Showers

Today 7 Jul Arlington/Falls Church/Alexandria

Mostly cloudy. Patchy fog late this morning. Isolated Showers with patchy drizzle late this Morning, then scattered Showers and Thunderstorms this afternoon. Highs in the mid 80s. Northeast Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 7 Jul Arlington/Falls Church/Alexandria

Mostly cloudy with scattered Showers and Thunderstorms. Patchy fog after midnight. Lows in the lower 70s. East Winds around 5 Mph. Chance of rain 50 percent.

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Potomac River - Alexandria Temperature Statistics

July Temperature

Washington/Reagan National Airport, DC (2.5 miles)

  • Lowest 1 July, 2026

    75.7 °F

  • Average July

    89.4 °F

  • Highest 4 July, 2026

    103.6 °F

Climate (2021–2026)

Washington/Reagan National Airport, DC (2.5 miles)

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  • Average Low 2021–2026

    52.4 °F

  • Average 2021–2026

    60.4 °F

  • Average High 2021–2026

    69.3 °F
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