Turtle Lake Weather Forecast

    • 63
    • 72

    Chance Thunderstorms

    • 61
    • 74

    Partly Sunny

    • 63
    • 76

    Mostly Cloudy

    • 62
    • 73

    Rain Showers Likely

    • 62
    • 74

    Chance Rain Showers

    • 59
    • 72

    Chance Rain Showers

Today 4 Sep Keweenaw

Mostly cloudy with a 50 percent chance of Showers. Highs in the lower 70s. East Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 4 Sep Keweenaw

A slight chance of Showers in the evening. Mostly cloudy. Lows around 61. East Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming northeast after midnight. Chance of rain 20 percent.

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Turtle Lake Temperature Statistics

September Temperature

Houghton County Memorial Airport (13.7 miles)

  • Lowest 1 September, 2026

    57 °F

  • Average September

    69.5 °F

  • Highest 1 September, 2026

    82 °F

Climate (2021–2026)

Houghton County Memorial Airport (13.7 miles)

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  • Average Low 2021–2026

    35.8 °F

  • Average 2021–2026

    43.9 °F

  • Average High 2021–2026

    51.9 °F
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