Weather in Union, KY
Updated 2026-09-26 10:00 local time · ZIP codes 41091
Partly Cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
59°6% rain
62°1% rain65°1% rain69°1% rain72°0% rain73°0% rain73°0% rain73°0% rain71°1% rain68°2% rain
63°9% rain
62°15% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 15%).
It feels like 53°F with winds near 7 mph.
71°F, 1% rain chance and 7 mph wind.
Visibility is around 6 mi; gusts may reach 12 mph.
Current temperature is 59°F, wind 7 mph, rain chance up to 15%.
UV index is 2.
Local weather characteristics in Union
Kentucky has a humid climate with hot summers, generally cool winters and frequent rainfall. Thunderstorms and rapid frontal changes are common.
Union is part of the South weather region. The forecast point is near 38.95°N latitude and 84.68°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Union weather today
Partly Cloudy and 59°F in Union, KY. Today's high is 73°F with a 5% rain chance. Winds are around 7 mph with gusts near 12 mph. Relative humidity is 52%, pressure is 30.17 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Union
Sunrise is at 07:30 AM and sunset is at 07:29 PM. Tomorrow's forecast calls for Sunny with a high near 74°F and a low near 50°F. The maximum rain chance is 3%.