Hay Bay Weather Forecast

    • 44
    • 71

    Increasing Clouds

    • 43
    • 55

    Mostly Sunny

    • 44
    • 66

    Mostly Sunny

    • 45
    • 61

    Mostly Sunny

    • 46
    • 66

    Mostly Sunny

    • 47
    • 70

    Partly Sunny

Today 29 May Keweenaw

Sunny, warmer with Highs in the mid 70s. Temperature falling into the upper 60s this afternoon. Southwest Winds 5 to 10 Mph, becoming northwest this afternoon.

Tonight 29 May Keweenaw

Mostly clear. Lows 44 to 49. East Winds 5 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hay Bay Temperature Statistics

May Temperature

Houghton County Memorial Airport (57.2 miles)

  • Lowest 8 May, 2026

    28 °F

  • Average May

    48.3 °F

  • Highest 15 May, 2026

    82.9 °F

Climate (2021–Present)

Houghton County Memorial Airport (57.2 miles)

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  • Average Low 2021–2026

    35.9 °F

  • Average 2021–2026

    44.1 °F

  • Average High 2021–2026

    52.1 °F
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