Weather in Ontonagon, MI
Updated 2026-09-26 12:00 local time · ZIP codes 49953

Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
67°11% rain
70°10% rain
71°10% rain
73°9% rain
73°9% rain
71°10% rain
69°12% rain
67°13% rain
62°14% rain
59°15% rain
57°16% rain
57°17% 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 17%).
It feels like 62°F with winds near 7 mph.
70°F, 10% rain chance and 7 mph wind.
Visibility is around 6 mi; gusts may reach 19 mph.
Current temperature is 67°F, wind 7 mph, rain chance up to 17%.
UV index is 3.
Local weather characteristics in Ontonagon
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.
Ontonagon is part of the Midwest weather region. The forecast point is near 46.87°N latitude and 89.31°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.
Ontonagon weather today
Overcast and 67°F in Ontonagon, MI. Today's high is 73°F with a 10% rain chance. Winds are around 7 mph with gusts near 12 mph. Relative humidity is 48%, pressure is 30.20 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Ontonagon
Sunrise is at 07:49 AM and sunset is at 07:47 PM. Tomorrow's forecast calls for Overcast with a high near 67°F and a low near 52°F. The maximum rain chance is 29%.