Muma Lake Weather Forecast
- 60
- 76
Thunderstorms Likely
- 54
- 78
Chance Rain Showers
- 56
- 77
Partly Sunny
- 60
- 79
Chance Thunderstorms
- 58
- 82
Chance Thunderstorms
- 56
- 79
Chance Rain Showers
Today 23 Jul Southern Cook/North Shore
Showers likely with a chance of Thunderstorms in the Morning, then Showers and Thunderstorms likely in the afternoon. Some Thunderstorms may produce heavy rainfall in the morning. Some Thunderstorms may produce heavy rainfall in the afternoon. Humid with Highs in the upper 70s. Southwest Winds around 5 Mph. Chance of rain 70 percent.
Tonight 23 Jul Southern Cook/North Shore
Showers likely with a chance of Thunderstorms. Some Thunderstorms may produce heavy rainfall. Near steady temperature in the mid 60s. Southwest Winds around 5 Mph. Chance of rain 70 percent.
Muma Lake Temperature Statistics
July Temperature
Grand Marais/Cook County Airport (6.2 miles)
Lowest 17 July, 2025
42.8 °FAverage July
61.6 °FHighest 1 July, 2025
78.8 °F
Climate (2020–Present)
Grand Marais/Cook County Airport (6.2 miles)
Average Low 2020–2025
28.7 °FAverage 2020–2025
38.1 °FAverage High 2020–2025
46.7 °F