Weather in Port Sanilac, MI
Updated 2026-09-26 11:15 local time · ZIP codes 48469
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
60°16% rain
60°5% rain
60°6% rain60°14% rain60°16% rain60°15% rain60°15% rain60°17% rain61°16% rain
61°17% rain
61°15% rain
62°7% 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 52°F with winds near 12 mph.
60°F, 5% rain chance and 12 mph wind.
Visibility is around 6 mi; gusts may reach 20 mph.
Current temperature is 60°F, wind 12 mph, rain chance up to 17%.
UV index is 3.
Local weather characteristics in Port Sanilac
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.
Port Sanilac is part of the Midwest weather region. The forecast point is near 43.43°N latitude and 82.54°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.
Port Sanilac weather today
Overcast and 60°F in Port Sanilac, MI. Today's high is 62°F with a 11% rain chance. Winds are around 12 mph with gusts near 13 mph. Relative humidity is 65%, pressure is 30.24 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Port Sanilac
Sunrise is at 07:22 AM and sunset is at 07:20 PM. Tomorrow's forecast calls for Sunny with a high near 62°F and a low near 60°F. The maximum rain chance is 8%.