Hay Bay Weather Forecast

    • 50
    • 62

    Mostly Cloudy

    • 49
    • 58

    Partly Sunny

    • 50
    • 55

    Partly Sunny

    • 50
    • 62

    Mostly Sunny

    • 51
    • 62

    Partly Sunny

    • 53
    • 63

    Partly Sunny

Today 19 Sep Keweenaw

Mostly cloudy. Highs in the lower 60s. South Winds 5 to 10 Mph, becoming southeast in the afternoon.

Tonight 19 Sep Keweenaw

A slight chance of Showers in the evening. Mostly cloudy. Lows around 49. Light north Winds, increasing to 10 to 20 Mph after midnight. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hay Bay Temperature Statistics

September Temperature

Houghton County Memorial Airport (57.2 miles)

  • Lowest 14 September, 2026

    37 °F

  • Average September

    62.8 °F

  • Highest 1 September, 2026

    82 °F

Climate (2021–2026)

Houghton County Memorial Airport (57.2 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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