Union, Tennessee Weather
Union, Tennessee — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, soil and crop conditions for Union, Morgan County.
Full aviation weather for Union is published on the Rockwood Municipal Airport (KRKW) page, 25 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 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: Campbell County Airport - Colonel Tommy C Stiner Airfield (KJAU) 41 km · Scott Municipal Airport (KSCX) 44 km · McGhee Tyson Airport (KTYS) 53 km · Crossville Memorial Airport Whitson Field (KCSV) 56 km · Knoxville Downtown Island Airport (KDKX) 56 km
Conditions reported at KRKW describe the airfield itself. Weather 25 km away can differ, particularly in terrain or near the coast. For conditions at Union specifically, see the current conditions and forecast above.
Soil conditions, frost risk and crop weather for Union.
About Union, Tennessee
Union sits in a landscape shaped by the slow, patient work of water and time, where the rolling hills of Morgan County begin to gather themselves into steeper, more resolute inclines. It lies 12.8 miles west-north-west of Oak Ridge, TN (from Oak Ridge, TN: bearing 289°T), and is situated 9.3 miles east-south-east of Morgan. The air here, particularly in the late afternoon when the sun begins its descent, carries a certain crispness, a promise of the cool evenings that settle over the hollows. Fields of corn and hay, their colors muted by the season, stretch across the lower slopes, eventually giving way to the dense, unbroken green of deciduous forests that climb the ridges, their canopies a rich, textured blanket against the sky. The Union, like many places in this part of Tennessee, feels grounded, its presence an honest part of the land. The story of Union is tied to the land's bounty, a place where farming has long been the steady beat of its economy, supplemented by the quiet industry of timber. Generations have worked these hills, their lives unfolding in sync with the changing seasons and the demands of the earth. There's a palpable sense of continuity, a feeling that the present is built upon the enduring efforts of those who came before. While no grand monuments mark its past, the character of Union is evident in the sturdy, unpretentious architecture of its homes and businesses, each structure a quiet testament to practicality and perseverance. The local roads, winding and often shaded, seem to lead not just to destinations, but to a deeper understanding of the region's quiet strength.
Live animated radar for Union 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, Morgan County, Tennessee |
| Coordinates | 36.07091°N, 84.485768°W |
| Timezone | Eastern Time (America/New_York) |
| ZIP Code(s) | 37866, 37323, 37110, 37879 |
| Area Code | 615, 865 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Union, Tennessee Weather Page
This page provides live weather conditions and forecasts for Union, Tennessee, 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 includes coordinates 36.070910°N, 84.485768°W, situated in Morgan County. ZIP code 37866, 37323, 37110, 37879. Telephone area code: 615, 865. 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.
