Ontonagon Weather Forecast
- 66
- 82
Slight Chance Thunderstorms
- 59
- 77
Chance Rain Showers
- 54
- 71
Partly Sunny
- 57
- 72
Mostly Sunny
- 64
- 78
Partly Sunny
- 59
- 75
Chance Rain Showers
- 58
- 70
Mostly Cloudy
Today 30 Jul Ontonagon
Mostly cloudy with a chance of Showers and Thunderstorms. Patchy smoke. West Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.
Tonight 30 Jul Ontonagon
Cloudy with a slight chance of Showers and Thunderstorms. Patchy smoke. Warm with Lows in the mid 60s. Light southwest Winds. Chance of rain 20 percent.
Ontonagon Temperature Statistics
July Temperature
Houghton County Memorial Airport (44.1 miles)
Lowest 6 July, 2026
46 °FAverage July
68.6 °FHighest 13 July, 2026
91.9 °F
Climate (2021–2026)
Houghton County Memorial Airport (44.1 miles)
Average Low 2021–2026
35.9 °FAverage 2021–2026
44 °FAverage High 2021–2026
52 °F