Chantilly Weather Forecast

    • 40
    • 57

    Mostly Cloudy

    • 44
    • 59

    Mostly Cloudy

    • 62
    • 70

    Rain Showers

    • 46
    • 74

    Rain Showers

    • 38
    • 58

    Mostly Sunny

    • 48
    • 67

    Partly Sunny

    • 51
    • 76

    Mostly Cloudy

Today 13 Mar Eastern Loudoun

Mostly sunny. Highs in the upper 50s. East Winds around 5 Mph.

Tonight 13 Mar Eastern Loudoun

Partly cloudy in the Evening, then becoming mostly cloudy. Lows around 40. East Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Chantilly Temperature Statistics

March Temperature

Washington/Dulles International Airport, DC (2.5 miles)

  • Lowest 3 March, 2025

    20.8 °F

  • Average March

    45.5 °F

  • Highest 11 March, 2025

    73 °F

Climate (2020–Present)

Washington/Dulles International Airport, DC (2.5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    47.7 °F

  • Average 2020–2025

    58.1 °F

  • Average High 2020–2025

    68.2 °F
Get WillyWeather+ to remove ads