Muma Lake Weather Forecast
- 25
- 45
Becoming Sunny
- 32
- 49
Partly Sunny
- 34
- 47
Rain Showers
- 36
- 55
Partly Sunny
- 42
- 57
Mostly Cloudy
- 46
- 65
Slight Chance Rain Showers
Today 10 May Southern Cook/North Shore
Partly sunny. Highs in the upper 40s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph.
Tonight 10 May Southern Cook/North Shore
Partly cloudy in the Evening, then becoming clear. Cold with Lows in the upper 20s. Northwest Winds 5 to 10 Mph.
Muma Lake Temperature Statistics
May Temperature
Grand Marais/Cook County Airport (6.2 miles)
Lowest 2 May, 2026
21.2 °FAverage May
38.3 °FHighest 3 May, 2026
57.2 °F
Climate (2021–Present)
Grand Marais/Cook County Airport (6.2 miles)
Average Low 2021–2026
28.7 °FAverage 2021–2026
38.1 °FAverage High 2021–2026
46.6 °F