Hay Bay Weather Forecast

    • 50
    • 60

    Chance Rain Showers

    • 53
    • 68

    Mostly Sunny

    • 56
    • 65

    Mostly Cloudy

    • 55
    • 67

    Mostly Cloudy

    • 55
    • 66

    Mostly Cloudy

    • 56
    • 67

    Partly Sunny

Today 16 Sep Keweenaw

Mostly sunny. Highs in the lower 60s. North Winds 5 to 10 Mph, becoming light south in the afternoon.

Tonight 16 Sep Keweenaw

Mostly cloudy with a 20 percent chance of Showers. Lows around 51. Southeast Winds 5 to 10 Mph, becoming south after midnight.

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Hay Bay Temperature Statistics

September Temperature

Houghton County Memorial Airport (57.2 miles)

  • Lowest 13 September, 2026

    42.1 °F

  • Average September

    64.5 °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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