Weather in Union, MI
Updated 2026-09-26 11:45 local time · ZIP codes 49130
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
58°3% rain64°2% rain66°1% rain68°2% rain
68°8% rain
67°9% rain
66°6% rain65°12% rain
61°7% rain
59°14% rain57°15% rain56°16% 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 16%).
It feels like 53°F with winds near 6 mph.
68°F, 2% rain chance and 6 mph wind.
Visibility is around 6 mi; gusts may reach 17 mph.
Current temperature is 58°F, wind 6 mph, rain chance up to 16%.
UV index is 3.
Local weather characteristics in Union
Michigan weather is strongly influenced by the Great Lakes, which can moderate temperatures but also produce lake-effect clouds and heavy snow in favored areas.
Union is part of the Midwest weather region. The forecast point is near 41.79°N latitude and 85.87°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
Sunny and 58°F in Union, MI. Today's high is 68°F with a 6% rain chance. Winds are around 6 mph with gusts near 8 mph. Relative humidity is 60%, pressure is 30.23 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Union
Sunrise is at 07:35 AM and sunset is at 07:34 PM. Tomorrow's forecast calls for Sunny with a high near 70°F and a low near 50°F. The maximum rain chance is 4%.