Chantilly, VA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Chantilly, VA in one place.
Sunny, with a high near 91. Southwest wind 1 to 5 mph.
Local Weather Overview
This forecast page for Chantilly, VA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 13, 2026 3:39 PM EDT.
The active forecast window currently covers Jul 14 to Jul 19, 2026 for Chantilly, VA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 14 to Jul 19, 2026
- Latest sync
- Jul 13, 2026 3:39 PM EDT
- Forecast office
- LWX
- Source
- NOAA / NWS
Daily Outlook
This Week in Chantilly
Wednesday looks like the warmest upcoming period in Chantilly at 99 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 70 degrees F.
The strongest winds are forecast for Saturday at about 3 to 10 mph W.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 13, 2026 3:39 PM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- LWX
- Radar station
- KLWX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Clear, with a low around 70. Southwest wind 2 to 6 mph.
Sunny, with a high near 99. West wind 2 to 8 mph.
Mostly clear, with a low around 75.
Mostly sunny, with a high near 97.
Mostly clear, with a low around 73.
Sunny, with a high near 95.
Partly cloudy, with a low around 73.
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 40%.
A slight chance of rain showers before 8am, then a chance of showers and thunderstorms. Partly sunny, with a high near 92. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jul 14
|
Sunny
|
91°F |
1 to 5 mph
SW
|
|
Tuesday Night
Jul 14
|
Clear
|
70°F |
2 to 6 mph
SW
|
|
Wednesday
Jul 15
|
Sunny
|
99°F |
2 to 8 mph
W
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
75°F |
3 to 8 mph
W
|
|
Thursday
Jul 16
|
Mostly Sunny
|
97°F |
2 to 8 mph
NW
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
73°F |
3 to 8 mph
NW
|
|
Friday
Jul 17
|
Sunny
|
95°F |
2 to 7 mph
NW
|
|
Friday Night
Jul 17
|
Partly Cloudy
|
73°F |
1 to 7 mph
W
|
|
Saturday
Jul 18
|
Mostly Sunny then Chance Showers And Thunderstorms
|
95°F |
3 to 10 mph
W
|
|
Saturday Night
Jul 18
|
Chance Showers And Thunderstorms
|
72°F |
5 to 8 mph
W
|
|
Sunday
Jul 19
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
92°F |
5 to 10 mph
W
|
|
Sunday Night
Jul 19
|
Chance Showers And Thunderstorms
|
72°F |
3 to 8 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Chantilly.
