Island Lake Weather Forecast
- 40
- 56
Mostly Cloudy
- 33
- 52
Mostly Cloudy
- 40
- 54
Partly Sunny
- 34
- 51
Partly Sunny
- 30
- 46
Mostly Cloudy
- 31
- 48
Partly Sunny
Today 17 Oct Mahnomen
Mostly sunny late this Morning, then cloudy. Highs in the mid 50s. Breezy. Southwest Winds 15 to 25 Mph.
Tonight 17 Oct Mahnomen
Mostly cloudy. Lows 40 to 45. West Winds up to 10 Mph. Gusts up to 20 Mph in the evening.
Island Lake Temperature Statistics
October Temperature
Fosston, Fosston Municipal Airport (11.2 miles)
Lowest 7 October, 2025
28.4 °FAverage October
54.9 °FHighest 3 October, 2025
87.8 °F
Climate (2020–Present)
Fosston, Fosston Municipal Airport (11.2 miles)
Average Low 2020–2025
30.4 °FAverage 2020–2025
40.3 °FAverage High 2020–2025
49.6 °F