Turtle Lake Weather Forecast

    • 57
    • 70

    Mostly Cloudy

    • 58
    • 69

    Partly Sunny

    • 61
    • 74

    Mostly Sunny

    • 62
    • 78

    Partly Sunny

    • 58
    • 74

    Chance Rain Showers

    • 53
    • 68

    Chance Rain Showers

Today 13 Sep Keweenaw

Mostly cloudy in the Morning, then becoming mostly sunny. Patchy fog in the morning. Highs around 70. Light northeast Winds, becoming east 5 to 10 Mph in the afternoon.

Tonight 13 Sep Keweenaw

Mostly cloudy. Lows around 54. Light east Winds.

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Turtle Lake Temperature Statistics

September Temperature

Houghton County Memorial Airport (13.7 miles)

  • Lowest 8 September, 2025

    42.1 °F

  • Average September

    56.1 °F

  • Highest 1 September, 2025

    78.1 °F

Climate (2020–Present)

Houghton County Memorial Airport (13.7 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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