Washington Dulles International Airport Weather Forecast

    • 38
    • 65

    Becoming Sunny

    • 42
    • 70

    Mostly Sunny

    • 42
    • 62

    Partly Sunny

    • 45
    • 66

    Mostly Cloudy

    • 51
    • 67

    Mostly Cloudy

    • 63
    • 73

    Rain Showers

Today 10 Mar Eastern Loudoun

Sunny. Highs in the mid 60s. Southwest Winds around 5 Mph.

Tonight 10 Mar Eastern Loudoun

Mostly clear. Lows in the upper 30s. Light and variable Winds.

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Washington Dulles International Airport Temperature Statistics

March Temperature

Washington/Dulles International Airport, DC (0.6 miles)

  • Lowest 3 March, 2025

    20.8 °F

  • Average March

    44.4 °F

  • Highest 1 March, 2025

    64.7 °F

Climate (2020–Present)

Washington/Dulles International Airport, DC (0.6 miles)

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  • Average Low 2020–2025

    47.8 °F

  • Average 2020–2025

    58.1 °F

  • Average High 2020–2025

    68.2 °F
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