Turtle Lake Weather Forecast

    • 53
    • 67

    Mostly Sunny

    • 51
    • 70

    Partly Sunny

    • 54
    • 65

    Mostly Cloudy

    • 56
    • 67

    Mostly Cloudy

    • 55
    • 66

    Rain Showers Likely

    • 52
    • 63

    Chance Rain Showers

Today 25 Sep Keweenaw

Mostly sunny. Highs in the upper 60s. Temperature falling into the lower 60s in the afternoon. Light southwest Winds.

Tonight 25 Sep Keweenaw

Mostly clear. Patchy fog after midnight. Lows 50 to 55. Light southeast Winds, becoming east after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Turtle Lake Temperature Statistics

September Temperature

Houghton County Memorial Airport (13.7 miles)

  • Lowest 22 September, 2026

    36 °F

  • Average September

    59.7 °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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