Irwin Lake Weather Forecast
- 48
- 63
Rain Showers Likely
- 53
- 65
Rain Showers
- 45
- 69
Rain Showers Likely
- 36
- 56
Chance Rain Showers
- 42
- 58
Rain Showers Likely
- 37
- 52
Rain Showers Likely
- 35
- 50
Rain Showers Likely
Today 16 Oct Alger
Partly cloudy. South Winds 5 to 10 Mph.
Tonight 16 Oct Alger
Showers. Near steady temperature around 50. South Winds 5 to 15 Mph with Gusts up to 25 Mph. Chance of rain 90 percent.
Irwin Lake Temperature Statistics
October Temperature
Munising - Munising Lakeshore Observation (13 miles)
Lowest 9 October, 2025
35.1 °FAverage October
57.7 °FHighest 4 October, 2025
84.9 °F
Climate (2020–Present)
Munising - Munising Lakeshore Observation (13 miles)
Average Low 2020–2025
37.1 °FAverage 2020–2025
44.7 °FAverage High 2020–2025
52.3 °F