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, Roane County.
Full aviation weather for Union is published on the Rockwood Municipal Airport (KRKW) page, 24 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: Monroe County Airport (KMNV) 40 km · McGhee Tyson Airport (KTYS) 40 km · Knoxville Downtown Island Airport (KDKX) 50 km · Campbell County Airport - Colonel Tommy C Stiner Airfield (KJAU) 53 km · McMinn County Airport (KMMI) 58 km
Conditions reported at KRKW describe the airfield itself. Weather 24 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 hollow where the land begins its serious rise toward the Cumberland Plateau. It lies 9.2 miles east-north-east of Roane, TN (from Roane, TN: bearing 60°T), and is situated 5.1 miles east-north-east of Kingston. Rolling hills, cloaked in the deep greens of hardwood forests, press in on all sides, their slopes softened by a persistent mist that often clings to the hollows, especially in the early morning light, giving the landscape a hushed, dreaming quality. The air here carries the clean scent of pine and damp earth, a constant reminder of the wildness that still holds sway just beyond the edges of the small settlement. A few scattered farmsteads dot the landscape, their fields a patchwork of cultivated land against the unbroken green, and the quiet hum of cicadas fills the warm afternoons. The history of Union is tied to the fertile soil and the timber that once dominated this stretch of Roane County. Early settlers, drawn by the promise of agriculture, cleared the land, their efforts etched into the gentle contours of the hills. While farming remains a part of the local fabric, the economy has seen shifts, with many residents now commuting to larger centers for work, though a strong sense of self-reliance and neighborly connection persists. The nearby Clinch River, a ribbon of silver reflecting the sky, offers a quiet respite and a connection to the waterways that have always shaped life in these parts, its banks a place for contemplation and the simple pleasure of watching the water flow.
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, Roane County, Tennessee |
| Coordinates | 35.902298°N, 84.422152°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 35.902298°N, 84.422152°W, situated in Roane 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.
