Lost Lake Weather Forecast

    • 50
    • 64

    Chance Rain Showers

    • 47
    • 64

    Chance Rain Showers

    • 43
    • 68

    Mostly Cloudy

    • 40
    • 61

    Partly Sunny

    • 41
    • 63

    Mostly Sunny

    • 43
    • 66

    Partly Sunny

    • 45
    • 70

    Partly Sunny

Today 18 Sep Northern Marinette County

Mostly clear. Lows in the middle 40s. Highs in the lower 70s.

Tonight 18 Sep Northern Marinette County

Mostly cloudy with a chance of Showers. Patchy fog. Lows in the upper 40s. Light and variable wind. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lost Lake Temperature Statistics

September Temperature

Menominee - Marinette Twin County Airport (24.2 miles)

  • Lowest 14 September, 2026

    42.1 °F

  • Average September

    67 °F

  • Highest 1 September, 2026

    88 °F

Climate (2021–2026)

Menominee - Marinette Twin County Airport (24.2 miles)

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  • Average Low 2021–2026

    37.8 °F

  • Average 2021–2026

    46.5 °F

  • Average High 2021–2026

    54.6 °F
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