Union County, KY Weather Forecast
County weather hub
Sunny
Compare major city weather across Union County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 88. South wind 6 to 13 mph, with gusts as high as 21 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 2 of 2 mapped cities in Union County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- May 17 to May 21, 2026
- Latest sync
- May 15, 2026 6:02 PM CDT
- Forecast office
- PAH
- Source
- NOAA / NWS
Daily Outlook
This Week in Union County
Monday looks like the warmest upcoming period in Union County at 89 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Monday at about 8 to 15 mph S.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- May 15, 2026 6:02 PM CDT
- Coverage
- 5 days
- Time zone
- America/Chicago
- Forecast office
- PAH
- Radar station
- KVWX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 67. South wind around 10 mph.
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. South wind 8 to 15 mph, with gusts as high as 22 mph.
A chance of showers and thunderstorms. Partly cloudy, with a low around 71. South wind around 12 mph, with gusts as high as 18 mph.
A chance of showers and thunderstorms before 1pm, then showers and thunderstorms likely. Partly sunny, with a high near 83. South southwest wind 10 to 14 mph, with gusts as high as 21 mph.
Showers and thunderstorms likely. Mostly cloudy, with a low around 65. West wind 5 to 8 mph.
Rain showers likely before 7am, then a chance of showers and thunderstorms. Partly sunny, with a high near 75. North northwest wind around 9 mph.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. North wind 5 to 8 mph.
A slight chance of rain showers before 7am, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 75. North northeast wind around 8 mph.
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 57. Northeast wind around 6 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
May 17
|
Sunny
|
88°F |
6 to 13 mph
S
|
|
Sunday Night
May 17
|
Mostly Clear
|
67°F |
10 mph
S
|
|
Monday
May 18
|
Mostly Sunny then Chance Showers And Thunderstorms
|
89°F |
8 to 15 mph
S
|
|
Monday Night
May 18
|
Chance Showers And Thunderstorms
|
71°F |
12 mph
S
|
|
Tuesday
May 19
|
Chance Showers And Thunderstorms
|
83°F |
10 to 14 mph
SSW
|
|
Tuesday Night
May 19
|
Showers And Thunderstorms Likely
|
65°F |
5 to 8 mph
W
|
|
Wednesday
May 20
|
Chance Showers And Thunderstorms
|
75°F |
9 mph
NNW
|
|
Wednesday Night
May 20
|
Chance Showers And Thunderstorms
|
57°F |
5 to 8 mph
N
|
|
Thursday
May 21
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
75°F |
8 mph
NNE
|
|
Thursday Night
May 21
|
Slight Chance Showers And Thunderstorms
|
57°F |
6 mph
NE
|
Major City Forecasts
Live forecast snapshots for major cities across Union County.
Coverage
Forecast coverage currently spans 2 of 2 mapped cities in Union County.
Largest mapped city population in this region: 3,385.
