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.
Turtle Lake Temperature Statistics
September Temperature
Houghton County Memorial Airport (13.7 miles)
Lowest 8 September, 2025
42.1 °FAverage September
56.1 °FHighest 1 September, 2025
78.1 °F
Climate (2020–Present)
Houghton County Memorial Airport (13.7 miles)
Average Low 2020–2025
35.9 °FAverage 2020–2025
44.1 °FAverage High 2020–2025
52.1 °F