Tonkin Bay Weather Forecast

    • 19
    • 32

    Mostly Cloudy

    • 6
    • 21

    Slight Chance Snow Showers

    • 21
    • 25

    Snow Showers

    • 12
    • 31

    Chance Snow Showers

    • 6
    • 17

    Mostly Cloudy

    • 7
    • 15

    Mostly Cloudy

Today 30 Jan Keweenaw

Mostly cloudy. A slight chance of snow Showers late this morning. Warmer with Highs in the lower 30s. Southwest Winds 5 to 10 Mph, becoming west this afternoon. Chance of snow 20 percent.

Tonight 30 Jan Keweenaw

Mostly cloudy. Lows around 17 inland to around 23 at the shore. North Winds 5 to 10 Mph, becoming northeast with Gusts up to 20 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tonkin Bay Temperature Statistics

January Temperature

Copper Harbor (53.4 miles)

  • Lowest 21 January, 2025

    -5.2 °F

  • Average January

    19.5 °F

  • Highest 17 January, 2025

    41.6 °F

Climate (2020–Present)

Copper Harbor (53.4 miles)

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  • Average Low 2020–2025

    38.6 °F

  • Average 2020–2025

    44.6 °F

  • Average High 2020–2025

    50.7 °F
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