Great Sand Bay Weather Forecast

    • 23
    • 40

    Slight Chance Freezing Rain

    • 19
    • 31

    Mostly Cloudy

    • 22
    • 27

    Mostly Cloudy

    • 27
    • 31

    Partly Sunny

    • 33
    • 42

    Mostly Cloudy

    • 31
    • 39

    Slight Chance Rain/Snow

Today 25 Mar Keweenaw

Mostly cloudy. A chance of rain Showers, snow Showers and freezing rain in the Morning, then a slight chance of rain and snow Showers in the afternoon. Highs around 40. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming south in the afternoon. Chance of precipitation 50 percent.

Tonight 25 Mar Keweenaw

Mostly cloudy with a slight chance of freezing rain. A slight chance of snow Showers after midnight. Lows 19 to 24. Northwest Winds 5 to 15 Mph. Chance of precipitation 20 percent.

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Great Sand Bay Temperature Statistics

March Temperature

Copper Harbor (17.4 miles)

  • Lowest 1 March, 2026

    1 °F

  • Average March

    28.1 °F

  • Highest 9 March, 2026

    51.1 °F

Climate (2021–Present)

Copper Harbor (17.4 miles)

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  • Average Low 2021–2026

    38.5 °F

  • Average 2021–2026

    44.7 °F

  • Average High 2021–2026

    50.9 °F
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