Climate almanac
Chantilly
Virginia, United States · 38.89°, -77.43°
What is the weather like in Chantilly in August?
In August, Chantilly is typically 86°F (30°C) during the day and 69°F (20°C) at night. The month brings about 4.1 in (104 mm) of precipitation in total.
- Average high86°F (30°C)
- Average low69°F (20°C)
- Precipitation4.1 in (104 mm)
- Clear or mostly clear days9
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)