Grand Marais Weather Forecast

    • 56
    • 70

    Patchy Fog

    • 56
    • 71

    Partly Sunny

    • 58
    • 74

    Mostly Sunny

    • 59
    • 76

    Mostly Sunny

    • 59
    • 77

    Slight Chance Thunderstorms

    • 55
    • 71

    Chance Rain Showers

    • 50
    • 65

    Chance Rain Showers

Today 13 Sep Alger

Mostly sunny. Light north Winds.

Tonight 13 Sep Alger

Mostly cloudy. Areas of fog. Lows in the mid 50s. Light north Winds, becoming northeast 5 to 10 Mph after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Grand Marais Temperature Statistics

September Temperature

Newberry, Luce County Airport (34.8 miles)

  • Lowest 8 September, 2025

    37.4 °F

  • Average September

    56.2 °F

  • Highest 1 September, 2025

    77 °F

Climate (2020–Present)

Newberry, Luce County Airport (34.8 miles)

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

  • Average Low 2020–2025

    35.1 °F

  • Average 2020–2025

    43.7 °F

  • Average High 2020–2025

    52.2 °F
Get WillyWeather+ to remove ads