Sumner Lake Weather Forecast

    • 13
    • 29

    Chance Snow Showers

    • -6
    • 16

    Blowing Snow

    • 11
    • 16

    Mostly Cloudy

    • 18
    • 23

    Mostly Cloudy

    • 22
    • 29

    Mostly Cloudy

    • 18
    • 26

    Mostly Cloudy

Today 5 Feb Keweenaw

Snow Showers likely in the Morning, then a chance of snow Showers in the afternoon. Cloudy. Snow accumulation around an inch. Highs around 30. Southwest Winds 5 to 15 Mph, becoming west in the afternoon. Chance of snow 70 percent.

Tonight 5 Feb Keweenaw

A slight chance of snow Showers in the Evening, then snow Showers likely after midnight. Patchy blowing snow after midnight. Cloudy. Snow accumulation around an inch. Lows 11 to 16 inland to around 19 at the shore. West Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming northwest 10 to 20 Mph with Gusts up to 35 Mph after midnight. Chance of snow 70 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Sumner Lake Temperature Statistics

February Temperature

Copper Harbor (53.4 miles)

  • Lowest 1 February, 2026

    12 °F

  • Average February

    20.9 °F

  • Highest 1 February, 2026

    32 °F

Climate (2021–Present)

Copper Harbor (53.4 miles)

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

  • Average Low 2021–2026

    38.5 °F

  • Average 2021–2026

    44.7 °F

  • Average High 2021–2026

    50.9 °F
Get WillyWeather+ to remove ads