Copper Lake Weather Forecast
- 33
- 45
Decreasing Clouds
- 36
- 46
Mostly Sunny
- 35
- 48
Rain Showers
- 37
- 50
Partly Sunny
- 41
- 54
Chance Rain Showers
- 42
- 58
Slight Chance Rain Showers
Today 10 May Keweenaw
Partly cloudy. A slight chance of rain Showers in the afternoon. Highs in the mid 40s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.
Tonight 10 May Keweenaw
Mostly clear. Lows around 33. Light northwest Winds.
Copper Lake Temperature Statistics
May Temperature
Copper Harbor (3.7 miles)
Lowest 2 May, 2026
32 °FAverage May
41.4 °FHighest 3 May, 2026
57.9 °F
Climate (2021–Present)
Copper Harbor (3.7 miles)
Average Low 2021–2026
38.5 °FAverage 2021–2026
44.6 °FAverage High 2021–2026
50.8 °F