Washington Dulles International Airport Weather Forecast

    • 71
    • 84

    Rain Showers

    • 66
    • 85

    Chance Thunderstorms

    • 68
    • 85

    Slight Chance Rain Showers

    • 71
    • 87

    Chance Thunderstorms

    • 72
    • 89

    Chance Thunderstorms

    • 72
    • 89

    Chance Thunderstorms

Today 2 Aug Eastern Loudoun

Showers with a chance of Thunderstorms. Highs in the lower 80s. Southeast Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 80 percent.

Tonight 2 Aug Eastern Loudoun

A chance of Thunderstorms. Showers, mainly in the evening. Patchy fog after midnight. Lows in the lower 70s. South Winds 5 to 10 Mph. Chance of rain 90 percent.

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Washington Dulles International Airport Temperature Statistics

August Temperature

Washington/Dulles International Airport, DC (0.6 miles)

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Climate (2021–2026)

Washington/Dulles International Airport, DC (0.6 miles)

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  • Average Low 2021–2026

    47.6 °F

  • Average 2021–2026

    58.2 °F

  • Average High 2021–2026

    68.6 °F
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