Wallace Lake Weather Forecast
- 51
- 60
Mostly Cloudy
- 53
- 61
Mostly Cloudy
- 56
- 64
Chance Thunderstorms
- 56
- 67
Chance Thunderstorms
- 54
- 68
Slight Chance Rain Showers
- 52
- 64
Slight Chance Rain Showers
Today 18 Sep Keweenaw
Cooler. Partly cloudy. Highs around 59. Northeast Winds 5 to 15 Mph.
Tonight 18 Sep Keweenaw
Mostly cloudy. Near steady temperature in the mid 50s. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph.
Wallace Lake Temperature Statistics
September Temperature
Copper Harbor (53.4 miles)
Lowest 4 September, 2025
46.9 °FAverage September
59.5 °FHighest 15 September, 2025
78.1 °F
Climate (2020–Present)
Copper Harbor (53.4 miles)
Average Low 2020–2025
38.5 °FAverage 2020–2025
44.7 °FAverage High 2020–2025
50.9 °F