Sucker Bay Weather Forecast
- 51
- 58
Mostly Cloudy
- 53
- 55
Mostly Cloudy
- 54
- 56
Chance Thunderstorms
- 55
- 58
Chance Thunderstorms
- 54
- 59
Slight Chance Rain Showers
- 53
- 57
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.
Sucker Bay Temperature Statistics
September Temperature
Copper Harbor (55.3 miles)
Lowest 4 September, 2025
46.9 °FAverage September
59.5 °FHighest 15 September, 2025
78.1 °F
Climate (2020–Present)
Copper Harbor (55.3 miles)
Average Low 2020–2025
38.5 °FAverage 2020–2025
44.7 °FAverage High 2020–2025
50.9 °F