Weather in Union, IL
Updated 2026-08-11 11:00 local time · ZIP codes 60180
Patchy light rain with thunder
No government weather alerts were returned for this location at the latest update.
Next hours
67°70% rain
76°36% rain83°26% rain
80°12% rain
85°8% rain85°7% rain84°7% rain82°7% rain80°8% rain77°10% rain
75°12% rain73°14% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Weather insights for today
Rain chance reaches about 70% over the next 12 hours.
It feels like 67°F with winds near 5 mph.
80°F, 8% rain chance and 3 mph wind.
Visibility is around 7 mi; gusts may reach 17 mph.
Current temperature is 67°F, wind 5 mph, rain chance up to 70%.
UV index is 2.
Union weather today
Patchy light rain with thunder and 67°F in Union, IL. Today's high is 85°F with a 65% rain chance. Winds are around 5 mph with gusts near 9 mph. Relative humidity is 100%, pressure is 30.00 inHg, and visibility is about 7 miles.
Tonight and tomorrow in Union
Sunrise is at 05:57 AM and sunset is at 08:01 PM. Tomorrow's forecast calls for Sunny with a high near 83°F and a low near 67°F. The maximum rain chance is 82%.