Hay Bay Weather Forecast

    • 59
    • 74

    Partly Sunny

    • 58
    • 75

    Partly Sunny

    • 54
    • 72

    Partly Sunny

    • 51
    • 65

    Mostly Cloudy

    • 52
    • 61

    Mostly Cloudy

    • 54
    • 64

    Slight Chance Rain Showers

    • 53
    • 65

    Mostly Cloudy

Today 15 Sep Keweenaw

Sunny. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 15 Sep Keweenaw

Mostly clear with a 20 percent chance of Showers. Lows in the upper 50s. South Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming southwest after midnight.

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Hay Bay Temperature Statistics

September Temperature

Houghton County Memorial Airport (57.2 miles)

  • Lowest 8 September, 2025

    42.1 °F

  • Average September

    57.2 °F

  • Highest 1 September, 2025

    78.1 °F

Climate (2020–Present)

Houghton County Memorial Airport (57.2 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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