Chantilly Weather Forecast
- 42
- 67
Becoming Sunny
- 45
- 67
Chance Rain Showers
- 42
- 59
Chance Rain Showers
- 42
- 62
Mostly Sunny
- 55
- 73
Slight Chance Thunderstorms
- 58
- 79
Chance Rain Showers
Today 30 Apr Eastern Loudoun
Mostly sunny. Highs in the mid 60s. Northwest Winds around 15 Mph with Gusts up to 25 Mph.
Tonight 30 Apr Eastern Loudoun
Partly cloudy. Patchy fog. Lows around 50. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.
Chantilly Temperature Statistics
April Temperature
Washington/Dulles International Airport, DC (2.5 miles)
Lowest 8 April, 2026
32.6 °FAverage April
63 °FHighest 16 April, 2026
92.6 °F
Climate (2021–Present)
Washington/Dulles International Airport, DC (2.5 miles)
Average Low 2021–2026
47.6 °FAverage 2021–2026
58.2 °FAverage High 2021–2026
68.6 °F