Ontonagon Weather Forecast
- 36
- 46
Breezy
- 44
- 56
Mostly Sunny
- 44
- 61
Partly Sunny
- 43
- 58
Mostly Sunny
- 46
- 60
Mostly Sunny
- 51
- 64
Chance Rain Showers
Today 16 Oct Ontonagon
Cloudy with rain Showers this Morning, then partly cloudy this afternoon. Breezy with Highs in the mid 40s. North Winds 15 to 25 Mph. Gusts up to 40 Mph this morning. Chance of rain 90 percent.
Tonight 16 Oct Ontonagon
Clear. Lows around 29 inland to around 36 at the shore. Northwest Winds 5 to 10 Mph, becoming southwest with Gusts up to 20 Mph after midnight.
Ontonagon Temperature Statistics
October Temperature
Houghton County Memorial Airport (44.1 miles)
Lowest 9 October, 2026
30.9 °FAverage October
52.6 °FHighest 10 October, 2026
84.9 °F
Climate (2021–2026)
Houghton County Memorial Airport (44.1 miles)
Average Low 2021–2026
35.7 °FAverage 2021–2026
43.9 °FAverage High 2021–2026
51.8 °F