Portage Lake Weather Forecast

    • 66
    • 83

    Smoke

    • 59
    • 84

    Rain Showers Likely

    • 53
    • 73

    Slight Chance Rain Showers

    • 57
    • 72

    Mostly Sunny

    • 60
    • 78

    Slight Chance Thunderstorms

    • 59
    • 76

    Partly Sunny

Today 19 Jul Houghton

Very warm. Smoke. A slight chance of Showers in the afternoon. Partly cloudy. Highs 81 to 86. Southwest Winds 5 to 10 Mph, becoming west in the afternoon. Chance of rain 20 percent.

Tonight 19 Jul Houghton

A chance of Showers. Patchy smoke. A chance of Thunderstorms after midnight. Partly cloudy in the Evening, then becoming mostly cloudy. Lows 64 to 69. South Winds 5 to 10 Mph, becoming southwest after midnight. Gusts up to 25 Mph. Chance of rain 50 percent.

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Portage Lake Temperature Statistics

July Temperature

Houghton County Memorial Airport (6.2 miles)

  • Lowest 6 July, 2026

    46 °F

  • Average July

    69.9 °F

  • Highest 13 July, 2026

    91.9 °F

Climate (2021–2026)

Houghton County Memorial Airport (6.2 miles)

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  • Average Low 2021–2026

    35.9 °F

  • Average 2021–2026

    44 °F

  • Average High 2021–2026

    52 °F
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