Enter your search query in the box below.

McNair, Virginia Weather

McNair, 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 for McNair, Fairfax County.

🌡️ Current Conditions
Loading current conditions…
24-Hour Forecast
Loading hourly forecast…
Current Conditions Detail
Loading detail…
7-Day Forecast
Loading 7-day forecast…
🌊 Marine & Fishing

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

Loading fishing conditions…
Loading tide data…
Loading tide chart…
🎣 Best times to fish today (solunar)
Loading solunar times…
Loading marine conditions…
✈️ Aviation Weather

Flight conditions near McNair. Data source: locating…

Loading aviation data…
🌿 Air Quality
Loading air quality data…

About McNair, Virginia

McNair resides in a landscape sculpted by the gentle roll of the Piedmont, where the earth breathes a deep, earthy scent after a summer rain. It lies 3.9 miles south-south-east of Sterling, VA (from Sterling, VA: bearing 166°T), and is situated 7.7 miles north of Centreville. The terrain here is a study in subtle gradients, a place where the forest canopy, a rich, verdant tapestry of oak and maple, occasionally parts to reveal sun-drenched clearings. The air itself seems to hold a certain stillness, a quiet hum punctuated by the distant murmur of traffic or the sharp cry of a hawk circling overhead. Evenings in McNair often bring a particular kind of light, a soft, diffused glow that settles over the rooftops and lends a golden hue to the fading day. The history of McNair is intertwined with the broader narrative of Fairfax County, a region that has seen its share of transformation from agrarian roots to a nexus of modern commerce. While no specific grand estates or battlefields define its immediate landscape, McNair bears the imprint of suburban evolution, a place where former farmland has yielded to thoughtful development. Its economic character is largely defined by its proximity to larger employment centers, drawing residents who appreciate the quieter rhythm of life here while still benefiting from access to the wider metropolitan area. The local character of McNair is one of unassuming practicality, a community that values its green spaces and the uncomplicated beauty of its surroundings.

NWS Extended Forecast
Loading NWS forecast…
📡 Precipitation Radar

Live animated radar for McNair and surroundings — RainViewer.

Loading radar…
🛰️ 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
Calculating…
LocationMcNair, Fairfax County, Virginia
Coordinates38.9513°N, 77.4115°W
TimezoneEastern Time (America/New_York)
ZIP Code(s)20171
Area Code571, 703
Page generatedJuly 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service

About This McNair, Virginia Weather Page

This page provides live weather conditions and forecasts for McNair, 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 McNair includes coordinates 38.951300°N, 77.411500°W, situated in Fairfax County. ZIP code 20171. 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.