Isle Lake Weather Forecast

    • 49
    • 65

    Mostly Cloudy

    • 52
    • 67

    Mostly Cloudy

    • 52
    • 68

    Mostly Cloudy

    • 49
    • 66

    Mostly Cloudy

    • 48
    • 67

    Partly Sunny

    • 51
    • 67

    Mostly Cloudy

Today 17 Sep North Beltrami

Patchy fog this morning. Partly sunny. Highs in the mid 60s. North Winds up to 10 Mph.

Tonight 17 Sep North Beltrami

Mostly cloudy. Lows 40 to 45. East Winds up to 10 Mph.

Graph Plots Open in Graphs
  • Temperature Forecast NOAA

  • Temperature Real-Time

Isle Lake Temperature Statistics

September Temperature

Bemidji (25.5 miles)

  • Lowest 14 September, 2026

    34.2 °F
  • Average September

    63.8 °F
  • Highest 3 September, 2026

    83.5 °F

Climate (2021–2026)

Bemidji (25.5 miles)

Take a look at our website widgetsAvailable free! Find Out More
  • Average Low 2021–2026

    30.4 °F
  • Average 2021–2026

    41.1 °F
  • Average High 2021–2026

    50.8 °F
Get WillyWeather+ to remove ads