Porcupine Mountains Weather Forecast

    • 60
    • 78

    Increasing Clouds

    • 61
    • 79

    Chance Rain Showers

    • 57
    • 73

    Partly Sunny

    • 62
    • 78

    Partly Sunny

    • 58
    • 77

    Chance Rain Showers

    • 56
    • 74

    Slight Chance Thunderstorms

Today 14 Aug Ontonagon

Warm. Mostly sunny. Highs 79 to 84. Light east Winds, becoming northeast 5 to 10 Mph with Gusts up to 20 Mph in the afternoon.

Tonight 14 Aug Ontonagon

Partly cloudy. Lows 55 to 60. East Winds 5 to 10 Mph, becoming light southeast after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Porcupine Mountains Temperature Statistics

August Temperature

Ironwood, Gogebic-Iron County Airport (42.3 miles)

  • Lowest 5 August, 2026

    46 °F

  • Average August

    66.5 °F

  • Highest 3 August, 2026

    84 °F

Climate (2021–2026)

Ironwood, Gogebic-Iron County Airport (42.3 miles)

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  • Average Low 2021–2026

    32.8 °F

  • Average 2021–2026

    42.7 °F

  • Average High 2021–2026

    51.4 °F
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