Union Mill, Virginia Weather
Union Mill, Virginia — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, tide predictions, marine conditions and a solunar fishing forecast, soil and crop conditions for Union Mill, Fairfax County.
Tides, marine forecast and fishing conditions near Union Mill. Tide source:
Full aviation weather for Union Mill is published on the Washington Manassas Harry P. Davis Field (KHEF) page, 14 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 Union Mill 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 Union Mill: Washington Dulles International Airport (KIAD) 18 km · Davison Army Air Field (KDAA) 20 km · Ronald Reagan Washington National Airport (KDCA) 30 km · Quantico Marine Corps Airfield / Turner Field (KNYG) 34 km · Maryland Airport (K2W5) 35 km
Conditions reported at KHEF describe the airfield itself. Weather 14 km away can differ, particularly in terrain or near the coast. For conditions at Union Mill specifically, see the current conditions and forecast above.
Soil conditions, frost risk and crop weather for Union Mill.
About Union Mill, Virginia
Union Mill rests in a landscape where the gently rolling terrain, softened by centuries of cultivation and woodland, hints at the patient hand of nature. It lies 3.9 miles south-east of Centreville, VA (from Centreville, VA: bearing 139°T), and is situated 8.8 miles north-north-west of Lake Ridge. Dense stands of oak and hickory, their leaves rustling with a sound like whispered secrets, give way to open meadows where wildflowers bloom in fleeting bursts of color. The air here, especially in the late afternoon, carries a clean, earthy scent, a blend of damp soil and the faint sweetness of pine needles. Small streams, their waters clear and cool, meander through the land, carving shallow valleys and reflecting the shifting patterns of the sky above. The history of Union Mill is interwoven with the very mills that once harnessed the power of these waterways, transforming raw timber into lumber for a growing region. Its economy, once anchored by these industrial endeavors, has since broadened, embracing a more diversified approach that includes local businesses and a connection to the broader agricultural heritage of Fairfax County. The echoes of its past can still be felt in the sturdy, old buildings that stand as quiet witnesses to its industrious spirit, a stark contrast to the more modern developments that have sprung up around it.
Live animated radar for Union Mill 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 | Union Mill, Fairfax County, Virginia |
| Coordinates | 38.7978°N, 77.3815°W |
| Timezone | Eastern Time (America/New_York) |
| ZIP Code(s) | 20124, 22039 |
| Area Code | 571, 703 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Union Mill, Virginia Weather Page
This page provides live weather conditions and forecasts for Union Mill, 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 Union Mill includes coordinates 38.797800°N, 77.381500°W, situated in Fairfax County. ZIP code 20124, 22039. 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.
