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Union, Tennessee Weather Forecast
Union, Tennessee Weather
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Weather Forecast for Union, Tennessee : Union County
Issued: 12:06 am EST Dec 17, 2025 Latitude: 36.3486914 Longitude: -83.7701895 View on Google Maps

MouseOver for Detail Forecast
Overnight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
Cloudy on Overnight Mostly Cloudy on Wednesday 70% chance of rain & snow on Thursday Mostly Sunny on Friday Sunny on Saturday 20% chance of rain on Sunday 20% chance of  on Monday 20% chance of  on Tuesday
Low: 32°F High: 49°F High: 58°F High: 41°F High: 53°F High: 54°F High: 53°F High: 55°F
Low: 35°F Low: 31°F Low: 26°F Low: 38°F Low: 35°F Low: 39°F  
Cloudy Mostly Cloudy Rain & Snow Mostly Sunny Sunny Rain Partly Sunny Partly Sunny
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Current Conditions at
MIDDLESBORO - (K1A6)
32°
Cloudy
as of 11:55 PM EST
Rel. Humidity: 74%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 30.17 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 4800ft
Current Conditions at
OAK RIDGE - (KOQT)
28°
Clear
as of 11:53 PM EST
Rel. Humidity: 68%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.18 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
KNOXVILLE - (KTYS)
28°
Clear
as of 11:53 PM EST
Rel. Humidity: 68%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.16 in.
Flight Rule: VFR
Wind Data
3 MPH
060° Northeast
Cloud Level(s): Clear
Cloudy on Overnight Overnight... Partly cloudy, with a low around 32. Calm wind becoming southwest around 5 mph.

Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 49. Southwest wind around 5 mph becoming calm in the afternoon.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 35. Calm wind.

70% chance of rain & snow Thursday Thursday... A slight chance of snow showers before 8am, then rain showers likely. Mostly cloudy, with a high near 58. Light southeast wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

90% chance of rain Thursday Night Thursday Night... Showers, mainly before 1am. Low around 31. South wind around 10 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 41. West wind 5 to 10 mph, with gusts as high as 20 mph.

Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 26. Calm wind.

Sunny on Saturday Saturday... Sunny, with a high near 53.

20% chance of rain Saturday Night Saturday Night... A 20 percent chance of showers after 1am. Partly cloudy, with a low around 38.

20% chance of rain Sunday Sunday... A 20 percent chance of showers. Mostly sunny, with a high near 54.

30% chance of rain Sunday Night Sunday Night... A 30 percent chance of showers. Partly cloudy, with a low around 35.

20% chance of  Monday Monday... A 20 percent chance of showers. Partly sunny, with a high near 53.

30% chance of rain Monday Night Monday Night... A 30 percent chance of showers. Mostly cloudy, with a low around 39.

20% chance of  Tuesday Tuesday... A 20 percent chance of showers. Partly sunny, with a high near 55.

Current Radar Image


Sun Almanac for Union, Tennessee
Sunrise: 07:41 AM
Sunset: 5:22 PM
Civil Sunrise:07:12 AM
Civil Sunset: 5:51 PM
Nautical Sunrise: 06:40 AM
Nautical Sunset: 6:23 PM
Astro Sunrise: 06:08 AM
Astro Sunset: 6:54 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.