Lake Theresa Weather Forecast

    • 4
    • 17

    Mostly Cloudy

    • 8
    • 13

    Mostly Cloudy

    • 17
    • 24

    Mostly Cloudy

    • 9
    • 24

    Blustery

    • 13
    • 20

    Partly Sunny

    • 12
    • 23

    Mostly Cloudy

Today 3 Feb Keweenaw

Cloudy, Colder. Near steady temperature around 16. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 3 Feb Keweenaw

Mostly cloudy with scattered snow Showers. Patchy blowing snow. Lows zero to 5 above inland to around 8 above at the shore. Northwest Winds 10 to 20 Mph, becoming north 15 to 20 Mph after midnight. Chance of snow 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Theresa Temperature Statistics

February Temperature

Copper Harbor (52.2 miles)

  • Lowest 1 February, 2025

    12.9 °F

  • Average February

    17.8 °F

  • Highest 1 February, 2025

    21.9 °F

Climate (2020–Present)

Copper Harbor (52.2 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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