Chantilly Highlands Weather Forecast

    • 56
    • 79

    Rain Showers

    • 47
    • 72

    Rain Showers Likely

    • 51
    • 73

    Partly Sunny

    • 55
    • 76

    Mostly Sunny

    • 61
    • 84

    Partly Sunny

    • 68
    • 89

    Partly Sunny

Today 30 May Eastern Loudoun

Partly sunny. Patchy fog this morning. Scattered Showers and Thunderstorms this afternoon. Highs in the upper 70s. Northwest Winds around 5 Mph, becoming northeast around 5 Mph this afternoon. Chance of rain 50 percent.

Tonight 30 May Eastern Loudoun

Showers with a chance of Thunderstorms in the Evening, then Showers likely with a slight chance of Thunderstorms after midnight. Some Thunderstorms may produce heavy rainfall in the evening. Locally heavy rainfall possible. Lows in the mid 50s. North Winds 10 to 15 Mph, becoming northwest with Gusts up to 30 Mph after midnight. Chance of rain 90 percent.

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Chantilly Highlands Temperature Statistics

May Temperature

Washington/Dulles International Airport, DC (1.9 miles)

  • Lowest 10 May, 2025

    40.6 °F

  • Average May

    65.7 °F

  • Highest 16 May, 2025

    89.7 °F

Climate (2020–Present)

Washington/Dulles International Airport, DC (1.9 miles)

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  • Average Low 2020–2025

    47.9 °F

  • Average 2020–2025

    58.3 °F

  • Average High 2020–2025

    68.5 °F
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