Sumner Lake Weather Forecast
- 47
- 58
Chance Rain Showers
- 44
- 54
Partly Sunny
- 43
- 54
Mostly Sunny
- 46
- 52
Chance Rain Showers
- 46
- 66
Chance Rain Showers
- 47
- 67
Chance Rain Showers
- 46
- 58
Partly Sunny
Today 8 Jun Keweenaw
Partly cloudy with a slight chance of Thunderstorms and isolated Showers. West Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.
Tonight 8 Jun Keweenaw
A slight chance of Thunderstorms in the evening. Mostly cloudy with scattered Showers. Lows in the upper 40s. West Winds 5 to 15 Mph, becoming northwest 10 to 15 Mph after midnight. Chance of rain 50 percent.
Sumner Lake Temperature Statistics
June Temperature
Copper Harbor (53.4 miles)
Lowest 2 June, 2024
50.6 °FAverage June
62 °FHighest 4 June, 2024
77 °F
Climate (2019–Present)
Copper Harbor (53.4 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2019–2024
38.2 °FAverage 2019–2024
44.1 °FAverage High 2019–2024
50 °F