Saint Ignace, MI 49781 Monthly Weather

Mackinac County4:22 PM EDT46.00°N, 84.70°W
← September

October 2026

Sun
Mon
Tue
Wed
Thu
Fri
Sat
168°/49°
259°/39°
359°/31°
458°/44°
552°/29°
664°/25°
764°/45°
856°/38°
957°/33°
1069°/40°
1173°/51°
1261°/46°
1350°/45°
1451°/41°
1547°/36°
1645°/39°
1755°/30°
1859°/47°
19
20
21
22
23 Areas Of Fog then Partly Sunny 57°/44°
24 Partly Sunny 64°/51°
25 Mostly Cloudy then Slight Chance Rain Showers 62°/38°
26 Partly Sunny 52°/34°
27 Slight Chance Rain Showers 48°/39°
28 Partly Sunny 56°/44°
29 Chance Rain Showers 57°/–
30 Cloudy 46°/39°
31 Cloudy 50°/39°
Average high58°
Average low39°
Warmest / coldest73° / 25°
Record high today72° (2022)
Record low today19° (2002)

Observed: Raco Michigan, 29 km away, records since 2002. Normals 1991–2020. Climate data from NOAA's Regional Climate Centers (ACIS); recent days are preliminary. Days ahead: the forecast.

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Search index and reflects what the press published. Terms of use.