Weather in Port Sanilac, MI
Updated 2026-08-11 11:15 local time · ZIP codes 48469

Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
76°4% rain
77°3% rain
78°3% rain
78°4% rain
78°4% rain
77°4% rain
78°4% rain
78°3% rain
78°2% rain
75°2% rain
74°2% rain
74°3% rain3-day weather forecast



Weather details
Sunrise, sunset and moon
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 4%).
It feels like 79°F with winds near 4 mph.
75°F, 2% rain chance and 7 mph wind.
Visibility is around 6 mi; gusts may reach 14 mph.
Current temperature is 76°F, wind 4 mph, rain chance up to 4%.
UV index is 4. Sunscreen and sunglasses are sensible for longer outdoor time.
Port Sanilac weather today
Sunny and 76°F in Port Sanilac, MI. Today's high is 78°F with a 6% rain chance. Winds are around 4 mph with gusts near 5 mph. Relative humidity is 64%, pressure is 29.95 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Port Sanilac
Sunrise is at 06:30 AM and sunset is at 08:39 PM. Tomorrow's forecast calls for Patchy rain nearby with a high near 77°F and a low near 66°F. The maximum rain chance is 63%.