St Ignace Weather Forecast
- 34
- 51
Partly Sunny
- 38
- 54
Mostly Sunny
- 40
- 53
Partly Sunny
- 37
- 51
Mostly Cloudy
- 36
- 50
Slight Chance Rain Showers
- 37
- 50
Chance Rain Showers
Today 25 Oct Eastern Mackinac
Partly sunny. Highs in the lower 50s. Light Winds.
Tonight 25 Oct Eastern Mackinac
Partly cloudy. Patchy fog. Lows in the upper 20s. Light Winds.
St Ignace Temperature Statistics
October Temperature
Mackinac Island Airport (4.3 miles)
Lowest 8 October, 2025
39.2 °FAverage October
55.6 °FHighest 4 October, 2025
78.8 °F
Climate (2020–Present)
Mackinac Island Airport (4.3 miles)
Average Low 2020–2025
38.6 °FAverage 2020–2025
45 °FAverage High 2020–2025
51.3 °F