Union County, TN Weather Forecast
County weather hub
Partly Sunny
Compare major city weather across Union County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Partly sunny, with a high near 82. Southwest wind around 0 mph.
County Weather Overview
This county weather page brings together forecast coverage for Union County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 1 of 1 mapped cities in Union County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- May 31 to Jun 6, 2026
- Latest sync
- May 31, 2026 5:52 PM EDT
- Forecast office
- MRX
- Source
- NOAA / NWS
Daily Outlook
This Week in Union County
Saturday looks like the warmest upcoming period in Union County at 86 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Monday at about 0 to 5 mph W.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- May 31, 2026 5:52 PM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- MRX
- Radar station
- KMRX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms between 8pm and 11pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Southwest wind around 0 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 82. West wind 0 to 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms between 7pm and 8pm. Mostly cloudy, with a low around 58. North wind 0 to 5 mph. Chance of precipitation is 30%.
Mostly sunny, with a high near 80. Northeast wind around 5 mph.
Mostly clear, with a low around 54. Northeast wind 0 to 5 mph.
Sunny, with a high near 80. Northeast wind 0 to 5 mph.
Clear, with a low around 55.
Sunny, with a high near 83.
Mostly clear, with a low around 59.
Sunny, with a high near 85.
Partly cloudy, with a low around 61.
Mostly sunny, with a high near 86.
Partly cloudy, with a low around 64.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
May 31
|
Partly Sunny
|
82°F |
0 mph
|
|
Tonight
May 31
|
Chance Showers And Thunderstorms
|
63°F |
0 mph
|
|
Monday
Jun 1
|
Chance Rain Showers
|
82°F |
0 to 5 mph
W
|
|
Monday Night
Jun 1
|
Chance Showers And Thunderstorms then Mostly Cloudy
|
58°F |
0 to 5 mph
N
|
|
Tuesday
Jun 2
|
Mostly Sunny
|
80°F |
5 mph
NE
|
|
Tuesday Night
Jun 2
|
Mostly Clear
|
54°F |
0 to 5 mph
NE
|
|
Wednesday
Jun 3
|
Sunny
|
80°F |
0 to 5 mph
NE
|
|
Wednesday Night
Jun 3
|
Clear
|
55°F |
0 mph
|
|
Thursday
Jun 4
|
Sunny
|
83°F |
0 mph
|
|
Thursday Night
Jun 4
|
Mostly Clear
|
59°F |
0 mph
|
|
Friday
Jun 5
|
Sunny
|
85°F |
0 to 5 mph
W
|
|
Friday Night
Jun 5
|
Partly Cloudy
|
61°F |
0 mph
|
|
Saturday
Jun 6
|
Mostly Sunny
|
86°F |
0 to 5 mph
SW
|
|
Saturday Night
Jun 6
|
Partly Cloudy
|
64°F |
0 to 5 mph
SW
|
Major City Forecasts
Live forecast snapshots for major cities across Union County.
Coverage
Forecast coverage currently spans 1 of 1 mapped cities in Union County.
Largest mapped city population in this region: 2,452.
