Chantilly, VA Weather & Growing Conditions
Overnight
52°F
Mostly Clear
Mostly clear, with a low around 52. South wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 52°F | Mostly Clear | 5 mph S | 2% |
| Wednesday | 75°F | Mostly Sunny | 5 to 12 mph S | 2% |
| Wednesday Night | 62°F | Mostly Cloudy then Chance Light Rain | 6 to 9 mph S | 49% |
| Thursday | 76°F | Chance Light Rain | 8 to 12 mph S | 39% |
| Thursday Night | 61°F | Chance Light Rain | 2 to 8 mph SW | 50% |
| Friday | 71°F | Rain Likely | 5 mph N | 63% |
| Friday Night | 50°F | Light Rain Likely | 2 to 7 mph NW | 63% |
| Saturday | 65°F | Mostly Sunny | 8 to 12 mph NW | 11% |
| Saturday Night | 43°F | Partly Cloudy | 8 mph NW | 11% |
| Sunday | 62°F | Mostly Sunny | 5 to 8 mph NW | 5% |
| Sunday Night | 42°F | Partly Cloudy then Slight Chance Light Rain | 5 to 8 mph NW | 18% |
| Monday | 62°F | Slight Chance Light Rain | 8 to 14 mph NW | 21% |
| Monday Night | 40°F | Slight Chance Light Rain | 5 to 8 mph W | 21% |
| Tuesday | 65°F | Sunny | 6 to 12 mph W | 10% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Chantilly, VA
Last spring frost
Apr 15
First fall frost
Oct 24
Growing season
194 days
Hardiness zone
7b
Explore more for Chantilly, VA: full frost dates · planting calendar · Virginia frost dates
Climate data from the nearest NOAA station, Washington Dc Dulles Ap, Va (3.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.