Porcupine Lake Weather Forecast

    • 60
    • 83

    Mostly Sunny

    • 58
    • 83

    Chance Thunderstorms

    • 52
    • 72

    Mostly Cloudy

    • 54
    • 70

    Slight Chance Rain Showers

    • 55
    • 68

    Chance Rain Showers

    • 57
    • 69

    Chance Rain Showers

Today 16 Sep Northern Marinette County

Mostly sunny. Highs in the lower 80s. Light and variable wind becoming south 5 to 10 Mph in the afternoon.

Tonight 16 Sep Northern Marinette County

Mostly clear. Patchy fog after midnight. Lows in the upper 50s. Light and variable wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Porcupine Lake Temperature Statistics

September Temperature

Iron Mountain / Kingsford, Ford Airport (22.4 miles)

  • Lowest 7 September, 2025

    39 °F

  • Average September

    57.8 °F

  • Highest 1 September, 2025

    78.1 °F

Climate (2020–Present)

Iron Mountain / Kingsford, Ford Airport (22.4 miles)

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  • Average Low 2020–2025

    33.6 °F

  • Average 2020–2025

    44.3 °F

  • Average High 2020–2025

    54.9 °F
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