Siskiwit Lake Weather Forecast
- 44
- 50
Decreasing Clouds
- 45
- 51
Rain Showers
- 40
- 48
Rain Showers
- 37
- 43
Rain Showers Likely
- 37
- 42
Mostly Cloudy
- 40
- 44
Partly Sunny
- 43
- 47
Partly Sunny
Today 19 Oct Keweenaw
Partly cloudy. Northwest Winds 10 to 20 Mph with Gusts up to 35 Mph.
Tonight 19 Oct Keweenaw
Mostly clear. Lows in the upper 30s. Northwest Winds 5 to 15 Mph with Gusts up to 25 Mph.
Siskiwit Lake Temperature Statistics
October Temperature
Copper Harbor (56.5 miles)
Lowest 16 October, 2025
39 °FAverage October
57 °FHighest 4 October, 2025
82.9 °F
Climate (2020–Present)
Copper Harbor (56.5 miles)
Average Low 2020–2025
38.7 °FAverage 2020–2025
44.8 °FAverage High 2020–2025
51 °F