Lake Shannon Weather Forecast

    • 49
    • 77

    Increasing Clouds

    • 38
    • 66

    Partly Sunny

    • 54
    • 68

    Rain Showers

    • 46
    • 75

    Partly Sunny

    • 50
    • 70

    Chance Rain Showers

    • 46
    • 72

    Slight Chance Thunderstorms

Today 12 Sep Northern Marinette County

Partly cloudy. Highs in the upper 70s. Northwest wind 5 to 10 Mph.

Tonight 12 Sep Northern Marinette County

Cooler. Clear in the evening then becoming mostly cloudy. Lows in the upper 40s. Northwest wind 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Shannon Temperature Statistics

September Temperature

Iron Mountain / Kingsford, Ford Airport (13 miles)

  • Lowest 10 September, 2026

    48.9 °F

  • Average September

    67.3 °F

  • Highest 1 September, 2026

    90 °F

Climate (2021–2026)

Iron Mountain / Kingsford, Ford Airport (13 miles)

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  • Average Low 2021–2026

    33.6 °F

  • Average 2021–2026

    44.5 °F

  • Average High 2021–2026

    54.9 °F
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