Lake Theresa Weather Forecast

    • 46
    • 60

    Chance Rain Showers

    • 38
    • 50

    Mostly Cloudy

    • 38
    • 41

    Mostly Cloudy

    • 43
    • 45

    Chance Rain Showers

    • 44
    • 52

    Rain Showers Likely

    • 42
    • 48

    Mostly Cloudy

    • 43
    • 48

    Mostly Cloudy

Today 24 Oct Keweenaw

Cloudy with a 50 percent chance of rain Showers. Highs 51 to 56.

Tonight 24 Oct Keweenaw

Cloudy. A chance of rain Showers in the evening. Lows in the mid 40s. West Winds 5 to 10 Mph, becoming northwest after midnight. Chance of rain 50 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Theresa Temperature Statistics

October Temperature

Copper Harbor (52.2 miles)

  • Lowest 20 October, 2026

    35.1 °F

  • Average October

    52.2 °F

  • Highest 11 October, 2026

    77 °F

Climate (2021–2026)

Copper Harbor (52.2 miles)

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

  • Average Low 2021–2026

    38.1 °F

  • Average 2021–2026

    44.3 °F

  • Average High 2021–2026

    50.5 °F
Get WillyWeather+ to remove ads