Thompson Lake Weather Forecast

    • 39
    • 60

    Mostly Sunny

    • 41
    • 63

    Partly Sunny

    • 44
    • 63

    Mostly Cloudy

    • 45
    • 64

    Mostly Cloudy

    • 49
    • 71

    Partly Sunny

    • 45
    • 73

    Mostly Sunny

Today 25 May Southern Cook/North Shore

Mostly sunny. Highs in the upper 50s. Northeast Winds around 5 Mph, becoming south around 5 Mph in the afternoon.

Tonight 25 May Southern Cook/North Shore

Mostly clear. Lows around 40. Southwest Winds around 5 Mph in the Evening, becoming light and variable.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Thompson Lake Temperature Statistics

May Temperature

Grand Marais/Cook County Airport (4.3 miles)

  • Lowest 8 May, 2025

    26.6 °F

  • Average May

    50.6 °F

  • Highest 12 May, 2025

    80.6 °F

Climate (2020–Present)

Grand Marais/Cook County Airport (4.3 miles)

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

  • Average Low 2020–2025

    28.9 °F

  • Average 2020–2025

    38.3 °F

  • Average High 2020–2025

    46.8 °F
Get WillyWeather+ to remove ads