NWS Watch, Warning, Advisory or Statement is in effect for Boone County, KY. View Alert
NWS Forecast by ZIP Code
Forecast for ZIP code 41091 - Union in Boone County, Kentucky
Forecast Updated Sunday 6/28/2026 4:00:00 PM EDT
| Period | Weather | Forecast | Temperature | Wind |
|---|---|---|---|---|
| Tonight | Partly Cloudy |
Partly cloudy, with a low around 70. Southeast wind around 2 mph. | 70°F | SE 2 mph |
| Monday | Mostly Sunny |
Mostly sunny, with a high near 91. Heat index values as high as 102. South wind 2 to 6 mph. | 91°F | S 2 to 6 mph |
| Monday Night | Partly Cloudy |
Partly cloudy, with a low around 73. Heat index values as high as 101. South wind around 5 mph. | 73°F | S 5 mph |
| Tuesday | Sunny |
Sunny, with a high near 92. Heat index values as high as 101. Southwest wind 3 to 7 mph. | 92°F | SW 3 to 7 mph |
| Tuesday Night | Clear |
Clear, with a low around 73. Southwest wind 2 to 7 mph. | 73°F | SW 2 to 7 mph |
| Wednesday | Sunny |
Sunny, with a high near 94. | 94°F | SW 5 mph |
| Wednesday Night | Mostly Clear |
Mostly clear, with a low around 74. | 74°F | SW 0 to 3 mph |
| Thursday | Sunny |
Sunny, with a high near 95. | 95°F | SW 0 to 3 mph |
| Thursday Night | Mostly Clear |
Mostly clear, with a low around 75. | 75°F | SW 3 mph |
| Friday | Mostly Sunny then Chance Showers And Thunderstorms |
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Chance of precipitation is 30%. | 93°F | SW 1 to 5 mph |
| Friday Night | Chance Showers And Thunderstorms |
A chance of showers and thunderstorms. Partly cloudy, with a low around 74. Chance of precipitation is 30%. | 74°F | SW 1 to 5 mph |
| Independence Day | Chance Showers And Thunderstorms |
A slight chance of rain showers before 8am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 92. Chance of precipitation is 30%. | 92°F | W 1 to 5 mph |
| Saturday Night | Chance Showers And Thunderstorms |
A chance of showers and thunderstorms. Partly cloudy, with a low around 73. Chance of precipitation is 30%. | 73°F | SW 1 to 5 mph |
| Sunday | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms |
A slight chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 91. | 91°F | W 1 to 5 mph |
ZIP Code File Updated: 6/1/2026 2:20:36 PM Database Loaded: 6/1/2026 2:41:45 PM with 41,141 Records
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| Time: Sun 28-Jun-2026 at 20:24 EDT (Mon 29-Jun-2026 at 00:24 UTC) | Page Modified: 1/13/2025 6:00:14 PM (PID:27) |