Lighthouse Island Weather Forecast

    • 56
    • 67

    Chance Rain Showers

    • 54
    • 61

    Chance Rain Showers

    • 53
    • 62

    Slight Chance Rain Showers

    • 56
    • 66

    Mostly Sunny

    • 58
    • 70

    Mostly Sunny

    • 58
    • 68

    Partly Sunny

Today 23 Aug Marquette

Partly cloudy. A slight chance of Showers in the afternoon. Cooler with Highs in the upper 60s. West Winds 10 to 15 Mph, becoming northwest in the afternoon. Chance of rain 20 percent.

Tonight 23 Aug Marquette

A slight chance of Showers after midnight. Partly cloudy. Lows 49 to 54. West Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lighthouse Island Temperature Statistics

August Temperature

Houghton County Memorial Airport (26.7 miles)

  • Lowest 14 August, 2025

    51.7 °F

  • Average August

    68.3 °F

  • Highest 7 August, 2025

    86.6 °F

Climate (2020–Present)

Houghton County Memorial Airport (26.7 miles)

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  • Average Low 2020–2025

    35.9 °F

  • Average 2020–2025

    44.1 °F

  • Average High 2020–2025

    52.1 °F
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