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Union County, TN Weather Forecast

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Union County, TN Weather Forecast

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Union County TN weather - Clear - 57°F
Clear
57°F
Updated 7:11 am
Feels Like 58°F
Humidity 100%
Wind N 0 mph
Barometer  30.1 in
Dew Point 57°F
Union County TN weather - Clear - 14°C
Clear
14°C
Updated 7:11 am
Feels Like 15°C
Humidity 100%
Wind N 0 km/h
Barometer  101.9 kPa
Dew Point 14°C
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Union County Weather Forecast

REST OF TONIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY
Union County, TN Weather - Rest Of Tonight Partly Cloudy Union County, TN Weather - Tuesday Sunny Union County, TN Weather - Tuesday Night Partly Cloudy Union County, TN Weather - Wednesday Chance Of T-Storm Union County, TN Weather - Wednesday Night Chance Of Showers Union County, TN Weather - Thursday Chance Of T-Storm Union County, TN Weather - Thursday Night Chance Of T-Storm Union County, TN Weather - Friday Chance Of T-Storm Union County, TN Weather - Friday Night Mostly Clear Union County, TN Weather - Saturday Sunny Union County, TN Weather - Saturday Night Mostly Clear Union County, TN Weather - Sunday Sunny
Partly Cloudy Sunny Partly Cloudy Chance of T-Storm Chance of Showers Chance of T-Storm Chance of T-Storm Chance of T-Storm Mostly Clear Sunny Mostly Clear Sunny
Lo: 60°FLo: 16°C Hi: 89°FHi: 32°C
 Lo: 65°FLo: 18°C Hi: 89°FHi: 32°C
 Lo: 69°FLo: 21°C Hi: 89°FHi: 32°C
 Lo: 69°FLo: 21°C Hi: 89°FHi: 32°C
 Lo: 65°FLo: 18°C Hi: 89°FHi: 32°C
 Lo: 69°FLo: 21°C Hi: 90°FHi: 32°C
POP: 20% POP: 20% POP: 50% POP: 50% POP: 30%
POP = Probability of Precipitation.
Weather Outlook Updated: 228 AM EDT Tue Aug 25 2026 Union County, TN Weather - WeatherWorld.com

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Issued: 157 AM EDT Tue Aug 25 2026

Key Messages

Updated at 129 AM EDT Tue Aug 25 2026
  • Dry conditions with comfortable afternoon humidity levels continues today.
  • Shower and thunderstorm chances will return tomorrow and especially Thursday.
  • Mostly dry for the weekend with warming temperatures.

Discussion

... Issued at 129 AM EDT Tue Aug 25 2026

Surface high pressure leading to dry and comfortable conditions, will continue today. Aloft, a closed upper low over Quebec is in the process of cycling away. The persistent SW ridge will hold o...