Porcupine Mountains State Park Weather Forecast

    • 19
    • 33

    Slight Chance Snow Showers

    • 22
    • 26

    Snow Showers Likely

    • 27
    • 34

    Snow Showers Likely

    • 13
    • 37

    Chance Snow Showers

    • 7
    • 24

    Chance Snow Showers

    • 8
    • 14

    Chance Snow Showers

Today 24 Dec Ontonagon

Mostly cloudy. A slight chance of snow Showers in the morning. Highs in the mid 30s. South Winds 5 to 10 Mph, becoming southwest in the afternoon. Chance of snow 20 percent.

Tonight 24 Dec Ontonagon

Partly cloudy in the Evening, then becoming cloudy. Lows around 18. Inland, light west Winds, becoming north 5 to 10 Mph after midnight. Near the Shore, north Winds 5 to 15 Mph, becoming northeast 10 to 15 Mph after midnight.

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Porcupine Mountains State Park Temperature Statistics

December Temperature

Ironwood, Gogebic-Iron County Airport (26.1 miles)

  • Lowest 13 December, 2025

    -11.9 °F

  • Average December

    13.7 °F

  • Highest 16 December, 2025

    41 °F

Climate (2020–Present)

Ironwood, Gogebic-Iron County Airport (26.1 miles)

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  • Average Low 2020–2025

    32.7 °F

  • Average 2020–2025

    42.6 °F

  • Average High 2020–2025

    51.5 °F
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