Weather in Union Star, KY
Updated 2026-09-26 12:30 local time · ZIP codes 40171
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
66°10% rain66°10% rain
72°1% rain76°1% rain77°1% rain76°1% rain75°1% rain70°1% rain
63°2% rain
61°11% rain
60°7% rain58°11% 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 12%).
It feels like 63°F with winds near 3 mph.
70°F, 1% rain chance and 3 mph wind.
Visibility is around 6 mi; gusts may reach 15 mph.
Current temperature is 66°F, wind 3 mph, rain chance up to 12%.
UV index is 5. Sunscreen and sunglasses are sensible for longer outdoor time.
Local weather characteristics in Union Star
Kentucky has a humid climate with hot summers, generally cool winters and frequent rainfall. Thunderstorms and rapid frontal changes are common.
Union Star is part of the South weather region. The forecast point is near 37.94°N latitude and 86.45°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 Star weather today
Overcast and 66°F in Union Star, KY. Today's high is 77°F with a 6% rain chance. Winds are around 3 mph with gusts near 6 mph. Relative humidity is 44%, pressure is 30.14 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Union Star
Sunrise is at 06:37 AM and sunset is at 06:37 PM. Tomorrow's forecast calls for Overcast with a high near 77°F and a low near 51°F. The maximum rain chance is 7%.