Rural Duluth Weather Forecast

    • 49
    • 62

    Mostly Cloudy

    • 42
    • 59

    Mostly Cloudy

    • 41
    • 57

    Partly Sunny

    • 42
    • 59

    Mostly Sunny

    • 44
    • 61

    Partly Sunny

    • 47
    • 64

    Partly Sunny

Today 19 Sep Carlton/South St. Louis

Patchy fog this morning. Cloudy. Highs in the lower 60s. East Winds 5 to 10 Mph.

Tonight 19 Sep Carlton/South St. Louis

Mostly cloudy. Lows in the upper 40s. Northeast Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Rural Duluth Temperature Statistics

September Temperature

Duluth International Airport (1.9 miles)

  • Lowest 14 September, 2026

    39.7 °F

  • Average September

    62.8 °F

  • Highest 1 September, 2026

    81.6 °F

Climate (2021–2026)

Duluth International Airport (1.9 miles)

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

  • Average Low 2021–2026

    33.3 °F

  • Average 2021–2026

    42.2 °F

  • Average High 2021–2026

    51 °F
Get WillyWeather+ to remove ads