Siskiwit Lake Weather Forecast

    • 1
    • 15

    Chance Snow Showers

    • -14
    • 4

    Slight Chance Snow Showers

    • -10
    • -5

    Cold

    • -6
    • 3

    Cold

    • 3
    • 8

    Cold

    • 8
    • 15

    Mostly Cloudy

Today 21 Jan Keweenaw

Cloudy. A chance of snow Showers in the Morning, then snow Showers in the afternoon. Snow accumulation of 1 to 3 Inches. Highs 14 to 19. Southwest Winds 5 to 10 Mph, becoming northwest 5 to 15 Mph in the afternoon. Chance of snow 90 percent.

Tonight 21 Jan Keweenaw

Snow Showers. Patchy blowing snow. Snow accumulation around an inch. Lows around 3 below inland to around 5 above at the shore. Northwest Winds 10 to 20 Mph with Gusts up to 35 Mph. Chance of snow 90 percent.

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Siskiwit Lake Temperature Statistics

January Temperature

Copper Harbor (56.5 miles)

  • Lowest 1 January, 2026

    10 °F

  • Average January

    23.9 °F

  • Highest 13 January, 2026

    37 °F

Climate (2021–Present)

Copper Harbor (56.5 miles)

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  • Average Low 2021–2026

    38.6 °F

  • Average 2021–2026

    44.8 °F

  • Average High 2021–2026

    51 °F
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