Ontonagon Weather Forecast
- 50
- 62
Mostly Sunny
- 63
- 80
Mostly Sunny
- 53
- 77
Partly Sunny
- 44
- 61
Chance Rain Showers
- 40
- 52
Mostly Cloudy
- 45
- 56
Rain Showers Likely
Today 9 Oct Ontonagon
Sunny. Highs in the mid 60s. Light southeast Winds.
Tonight 9 Oct Ontonagon
Mostly clear. Lows around 48. Southeast Winds 5 to 15 Mph with Gusts up to 25 Mph.
Ontonagon Temperature Statistics
October Temperature
Houghton County Memorial Airport (44.1 miles)
Lowest 3 October, 2026
35.1 °FAverage October
51.6 °FHighest 6 October, 2026
73 °F
Climate (2021–2026)
Houghton County Memorial Airport (44.1 miles)
Average Low 2021–2026
35.8 °FAverage 2021–2026
43.9 °FAverage High 2021–2026
51.8 °F