Great Falls Crossing, Virginia Weather
Great Falls Crossing, 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 Great Falls Crossing, Fairfax County.
Tides, marine forecast and fishing conditions near Great Falls Crossing. Tide source:
Full aviation weather for Great Falls Crossing is published on the Washington Dulles International Airport (KIAD) page, 12 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 Great Falls Crossing 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 Great Falls Crossing: Ronald Reagan Washington National Airport (KDCA) 29 km · Davison Army Air Field (KDAA) 32 km · Washington Manassas Harry P. Davis Field (KHEF) 33 km · Maryland Airport (K2W5) 48 km · Quantico Marine Corps Airfield / Turner Field (KNYG) 53 km
Conditions reported at KIAD describe the airfield itself. Weather 12 km away can differ, particularly in terrain or near the coast. For conditions at Great Falls Crossing specifically, see the current conditions and forecast above.
About Great Falls Crossing, Virginia
Great Falls Crossing unfolds as a landscape of subtle, rolling contours, where the earth gently pitches and swells, hinting at the ancient geological forces that shaped it. It lies 1.2 miles north-east of Reston, VA (from Reston, VA: bearing 45°T), and is situated 8.6 miles west-north-west of McLean. The air here carries a distinct scent, a blend of damp earth after a morning shower and the fainter, sweeter perfume of distant pine forests, particularly noticeable in the quiet hours before dawn. Sunlight, when it breaks through the canopy of mature oaks and maples that line the residential streets, falls in shifting mosaics, illuminating patches of emerald lawn and the weathered brick of older homes. The Occoquan River, though not directly visible from every vantage point, exerts its presence through the humidity that often clings to the lower-lying areas and the persistent murmur of unseen water that can be heard on still evenings, a constant, low-frequency song beneath the hum of everyday life. The history of Great Falls Crossing is deeply entwined with the flow of water and the ambition of industry, though the latter has largely receded, leaving behind echoes in the names of streets and the occasional, sturdy stone foundation peeking through overgrown thickets. Early settlers were drawn to the power of the river, seeking to harness its energy for milling and manufacturing, and remnants of these endeavors can still be discerned by the keen eye, a silent testament to a bygone era. Today, the economic pulse of Great Falls Crossing beats with a more suburban rhythm, a blend of local businesses catering to immediate needs and the steady commute of residents to larger employment centers. Yet, beneath this modern veneer, a quiet pride persists, a connection to the land and the generations who have called this particular bend in the landscape home, a feeling amplified by the way the twilight sky, a painter's wash of soft oranges and purples, settles over the rooftops.
Live animated radar for Great Falls Crossing 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 | Great Falls Crossing, Fairfax County, Virginia |
| Coordinates | 38.980814°N, 77.325579°W |
| Timezone | Eastern Time (America/New_York) |
| ZIP Code(s) | 20194 |
| Area Code | 571, 703 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Great Falls Crossing, Virginia Weather Page
This page provides live weather conditions and forecasts for Great Falls Crossing, 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 Great Falls Crossing includes coordinates 38.980814°N, 77.325579°W, situated in Fairfax County. ZIP code 20194. 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.
