Siskiwit Bay Weather Forecast

    • 55
    • 64

    Chance Rain Showers

    • 57
    • 64

    Mostly Cloudy

    • 55
    • 68

    Mostly Sunny

    • 56
    • 68

    Partly Sunny

    • 59
    • 69

    Chance Rain Showers

    • 58
    • 70

    Chance Rain Showers

Today 20 Aug Keweenaw

Partly cloudy in the Morning, then cloudy with a chance of Showers in the afternoon. Highs 69 to 74. Light southwest Winds, becoming southeast 5 to 10 Mph in the afternoon. Chance of rain 40 percent.

Tonight 20 Aug Keweenaw

A slight chance of Thunderstorms in the evening. Cloudy with a chance of Showers. Lows around 59. Southeast Winds 5 to 10 Mph, becoming south after midnight. Chance of rain 50 percent.

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  • Temperature Real-Time

Siskiwit Bay Temperature Statistics

August Temperature

Houghton County Memorial Airport (55.9 miles)

  • Lowest 14 August, 2026

    52 °F

  • Average August

    66.2 °F

  • Highest 6 August, 2026

    82 °F

Climate (2021–2026)

Houghton County Memorial Airport (55.9 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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