Island Lake Weather Forecast

    • 39
    • 53

    Partly Sunny

    • 35
    • 50

    Chance Rain Showers

    • 29
    • 42

    Partly Sunny

    • 29
    • 46

    Partly Sunny

    • 35
    • 52

    Partly Sunny

    • 37
    • 54

    Partly Sunny

Today 19 Oct Mahnomen

Sunny. Highs in the mid 50s. West Winds 5 to 15 Mph.

Tonight 19 Oct Mahnomen

Partly cloudy in the Evening, then cloudy. Lows 40 to 45. Southeast Winds 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Island Lake Temperature Statistics

October Temperature

Fosston, Fosston Municipal Airport (11.2 miles)

  • Lowest 7 October, 2025

    28.4 °F

  • Average October

    54.9 °F

  • Highest 3 October, 2025

    87.8 °F

Climate (2020–Present)

Fosston, Fosston Municipal Airport (11.2 miles)

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  • Average Low 2020–2025

    30.4 °F

  • Average 2020–2025

    40.3 °F

  • Average High 2020–2025

    49.6 °F
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