Lake Manganese Weather Forecast

    • 1
    • 7

    Snow Showers

    • 8
    • 12

    Chance Snow Showers

    • 5
    • 17

    Chance Snow Showers

    • -4
    • 8

    Chance Snow Showers

    • -6
    • 2

    Chance Snow Showers

    • -2
    • 3

    Chance Snow Showers

Today 19 Jan Keweenaw

Windy, cold. Snow Showers. Heavy freezing spray in the morning. Patchy blowing snow. Visibility one quarter mile or less at Times in the morning. Snow accumulation around an inch. Highs around 1 below inland to around 7 above at the shore. North Winds 20 to 30 Mph with Gusts up to 40 Mph, becoming northwest 15 to 20 Mph with Gusts up to 30 Mph in the afternoon. Chance of snow 100 percent.

Tonight 19 Jan Keweenaw

Snow Showers likely. Patchy blowing snow. Snow accumulation around an inch. Lows 6 below to 11 below zero inland to around 2 below at the shore. Northwest Winds 10 to 20 Mph with Gusts up to 30 Mph. Chance of snow 70 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Manganese Temperature Statistics

January Temperature

Copper Harbor (0.6 miles)

  • Lowest 1 January, 2026

    10 °F

  • Average January

    24.6 °F

  • Highest 13 January, 2026

    37 °F

Climate (2021–Present)

Copper Harbor (0.6 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    38.6 °F

  • Average 2021–2026

    44.8 °F

  • Average High 2021–2026

    51 °F
Get WillyWeather+ to remove ads