Lake Superior Weather Forecast

    • 57
    • 67

    Breezy

    • 59
    • 63

    Mostly Cloudy

    • 59
    • 66

    Partly Sunny

    • 60
    • 65

    Chance Rain Showers

    • 58
    • 65

    Mostly Cloudy

    • 58
    • 63

    Partly Sunny

Today 15 Sep Marquette

Mostly cloudy in the Morning, then clearing. Highs 69 to 74. Temperature falling into the middle 60s in the afternoon. Southwest Winds 15 to 20 Mph, becoming west 10 to 20 Mph in the afternoon. Gusts up to 40 Mph.

Tonight 15 Sep Marquette

Clear. Lows 40 to 45 inland to around 49 at the shore. West Winds 5 to 10 Mph. Gusts up to 25 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Superior Temperature Statistics

September Temperature

Houghton County Memorial Airport (28.6 miles)

  • Lowest 3 September, 2026

    51.1 °F

  • Average September

    65.3 °F

  • Highest 1 September, 2026

    82 °F

Climate (2021–2026)

Houghton County Memorial Airport (28.6 miles)

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  • Average Low 2021–2026

    35.8 °F

  • Average 2021–2026

    44 °F

  • Average High 2021–2026

    51.9 °F
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