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Great Falls, Virginia Weather

Great Falls, Virginia — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery, tide predictions, marine conditions and a solunar fishing forecast, soil and crop conditions for Great Falls, Fairfax County.

🌡️ Current Conditions
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24-Hour Forecast
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Current Conditions Detail
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7-Day Forecast
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🌊 Marine & Fishing

Tides, marine forecast and fishing conditions near Great Falls. Tide source:

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🎣 Best times to fish today (solunar)
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✈️ Aviation Weather

Flight conditions near Great Falls. Data source: locating…

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🚜 Agricultural Weather

Soil conditions, frost risk and crop weather for Great Falls.

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About Great Falls, Virginia

Great Falls unfolds as a landscape sculpted by the Potomac River's persistent artistry, a place where the urban hum of Northern Virginia softens into a more verdant embrace. It lies 3.5 miles north-east of Reston, VA (from Reston, VA: bearing 54°T), and is situated 9.4 miles south-west of Rockville. The terrain here is a study in gentle slopes and wooded ravines, a tapestry of mature oaks and maples that whisper secrets on the breeze. Sunlight, particularly in the late afternoon, casts long, golden fingers through the leaves, illuminating moss-covered stones and the occasional flash of a cardinal's crimson. The air carries the damp, earthy scent of the forest floor, mingling with the fainter, sweet perfume of blooming wildflowers in their season, a testament to the enduring wildness that still holds sway. This locale carries the imprint of a history that predates modern development, a narrative woven around the very waters that give it its name. Early settlers recognized the power of the Potomac, and remnants of canals and locks, though now reclaimed by nature, hint at a past driven by industry and commerce. For generations, the economy of Great Falls was tied to the river's bounty and the land's fertility, a quiet agricultural rhythm that sustained its inhabitants. Today, while commuter life has brought a different tempo, the spirit of Great Falls remains, a place where the grandeur of the natural world, embodied by the dramatic cascades and the sprawling parkland, continues to draw people into its peaceful, reflective embrace.

NWS Extended Forecast
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📡 Precipitation Radar

Live animated radar for Great Falls and surroundings — RainViewer.

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🛰️ Satellite Imagery

NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.

NOAA GOES-16 CONUS GEOCOLOR satellite animated loop
🛰️ GEOCOLOR loop 🌡️ Infrared (IR) 🌀 NHC Hurricane Satellite 🔗 NOAA Full Viewer

Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload

🌙 Astronomy
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LocationGreat Falls, Fairfax County, Virginia
Coordinates38.998165°N, 77.288316°W
TimezoneEastern Time (America/New_York)
ZIP Code(s)22066
Area Code571, 703
Page generatedJuly 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service

About This Great Falls, Virginia Weather Page

This page provides live weather conditions and forecasts for Great Falls, Virginia, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, real-time aviation weather (live METAR and TAF reports from the nearest reporting airport, with a modeled estimate shown when no station is in range), precipitation radar and NOAA GOES-16 satellite imagery. 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 includes coordinates 38.998165°N, 77.288316°W, situated in Fairfax County. ZIP code 22066. 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. Aviation data is sourced from aviationweather.gov (NOAA), with a modeled estimate used where no nearby reporting station is available. 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.