Chantilly, Virginia Weather
Chantilly, Virginia — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, tide predictions, marine conditions and a solunar fishing forecast for Chantilly, Fairfax County.
Tides, marine forecast and fishing conditions near Chantilly. Tide source:
Full aviation weather for Chantilly is published on the Washington Dulles International Airport (KIAD) page, 6 km away. It carries the current METAR decoded into plain language — surface wind, visibility, cloud layers and ceiling, temperature and dewpoint, and altimeter setting — alongside the raw observation as transmitted. 6 airfields within reach of Chantilly have their own pages, listed below.
The Terminal Aerodrome Forecast (TAF) is shown across its full validity period, with each change group broken out so you can see when conditions are expected to shift. Flight category is derived automatically — VFR, MVFR, IFR or LIFR — from reported ceiling and visibility, with runway details and field elevation alongside. Observations update roughly hourly and forecasts several times a day.
Other airports near Chantilly: Washington Manassas Harry P. Davis Field (KHEF) 20 km · Davison Army Air Field (KDAA) 29 km · Ronald Reagan Washington National Airport (KDCA) 34 km · Warrenton Fauquier Airport (KHWY) 42 km · Quantico Marine Corps Airfield / Turner Field (KNYG) 45 km
Conditions reported at KIAD describe the airfield itself. Weather 6 km away can differ, particularly in terrain or near the coast. For conditions at Chantilly specifically, see the current conditions and forecast above.
About Chantilly, Virginia
Chantilly unfolds across a landscape shaped by the gentle slopes of Northern Virginia, where the air, especially in the humid embrace of summer, carries the faint, sweet scent of distant pine and damp earth. It lies 3.7 miles north of Centreville, VA (from Centreville, VA: bearing 358°T), and is situated 7.1 miles south-west of Reston. Rolling terrain, a characteristic of this region, gives way to broad, open fields interspersed with mature woodlands, their canopies a rich tapestry of greens that deepen with the advancing afternoon. The sky here often boasts a dramatic quality, particularly at dusk, when the fading sunlight paints the western horizon in hues of lavender and bruised orange, casting long, softened shadows that stretch across the suburban sprawl and the remaining pockets of open land. The character of Chantilly is a blend of the established and the ever-evolving, a place where the past lingers in the quiet corners while the present hums with the energy of a community in perpetual motion. The history of Chantilly is deeply intertwined with the agricultural rhythms that once defined this part of Fairfax County, an era evoked by the enduring presence of historic estates that still punctuate the landscape, remnants of a time when land ownership meant expansive farms and country manors. While its economic engine has shifted dramatically from agrarian roots to a modern economy driven by technology and commerce, particularly evident in the bustling Dulles Technology Corridor that skirts its edges, echoes of its past persist. The area’s development has been significantly influenced by its proximity to major transportation arteries, a factor that has fueled its growth and attracted a diverse population, fostering a lively, forward-looking spirit. Chantilly itself, though a nexus of modern development, retains a grounding in its heritage, a place where the legacy of its founding continues to shape its contemporary identity.
Live animated radar for Chantilly and surroundings — RainViewer.
NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.
Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload
| Location | Chantilly, Fairfax County, Virginia |
| Coordinates | 38.894279°N, 77.431099°W |
| Timezone | Eastern Time (America/New_York) |
| ZIP Code(s) | 20151, 20153, 20152 |
| Area Code | 571, 703 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Chantilly, Virginia Weather Page
This page provides live weather conditions and forecasts for Chantilly, Virginia, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, precipitation radar and NOAA GOES-16 satellite imagery. Aviation weather — live METAR observations and TAF forecasts — is published separately on the pages for the nearest reporting airports, linked from the aviation section above. Additional sections may include tide predictions, wave height, wave direction and sea-surface temperature, a barometric pressure trend, and a solunar-based fishing forecast with a fishing-conditions rating for coastal localities, and soil temperature, crop weather and live USGS river gauge data for agricultural areas near a monitored waterway. All data updates automatically on every page visit.
Location data for Chantilly includes coordinates 38.894279°N, 77.431099°W, situated in Fairfax County. ZIP code 20151, 20153, 20152. Telephone area code: 571, 703. Timezone: Eastern Time (America/New_York).
Weather data is sourced from the NOAA National Weather Service (NWS) and the open-source Open-Meteo API. River and stream data is sourced from the USGS National Water Information System. Tide predictions are sourced from NOAA CO-OPS; marine and solunar data are modeled from Open-Meteo and public sunrise/moon calculations and should be treated as a general guide alongside on-the-water conditions. Radar is provided by RainViewer. Satellite imagery is sourced from NOAA/NESDIS GOES-East and is public domain.
