Chantilly Weather Forecast

    • 50
    • 62

    Rain Likely

    • 40
    • 60

    Rain Likely

    • 34
    • 55

    Mostly Cloudy

    • 35
    • 49

    Chance Rain

    • 29
    • 47

    Partly Sunny

    • 31
    • 44

    Partly Sunny

Today 2 Dec Fairfax

Patchy fog late this morning. Cloudy. Highs in the lower 60s. Southwest Winds around 5 Mph, becoming southeast this afternoon.

Tonight 2 Dec Fairfax

Showers. Areas of fog after midnight. Lows around 50. East Winds around 5 Mph. Chance of rain 90 percent.

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Chantilly Temperature Statistics

December Temperature

Washington/Dulles International Airport, DC (2.5 miles)

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  • Average December

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Climate (2018–Present)

Washington/Dulles International Airport, DC (2.5 miles)

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  • Average Low 2018–2023

    48 °F

  • Average 2018–2023

    58 °F

  • Average High 2018–2023

    68 °F
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