Rock Harbor Weather Forecast
- 18
- 36
Chance Snow Showers
- 16
- 24
Chance Snow Showers
- 27
- 31
Partly Sunny
- 32
- 38
Rain/Snow
- 28
- 38
Mostly Cloudy
- 29
- 35
Partly Sunny
- 33
- 39
Chance Rain Showers
Today 5 Apr Keweenaw
Mostly cloudy with a 20 percent chance of snow Showers. Northwest Winds 5 to 15 Mph with Gusts up to 30 Mph.
Tonight 5 Apr Keweenaw
Cloudy with a 50 percent chance of snow Showers. Lows around 19. Northwest Winds 5 to 10 Mph, becoming north 10 to 20 Mph with Gusts up to 30 Mph after midnight.
Rock Harbor Temperature Statistics
April Temperature
Copper Harbor (54.1 miles)
Lowest 1 April, 2026
21.9 °FAverage April
28.7 °FHighest 3 April, 2026
34 °F
Climate (2021–Present)
Copper Harbor (54.1 miles)
Average Low 2021–2026
38.5 °FAverage 2021–2026
44.7 °FAverage High 2021–2026
50.8 °F