Duluth International Airport Weather Forecast

    • 26
    • 43

    Snow Likely

    • 20
    • 29

    Snow Likely

    • 15
    • 36

    Partly Sunny

    • 23
    • 35

    Snow Likely

    • 13
    • 33

    Partly Sunny

    • 16
    • 31

    Snow Likely

    • 1
    • 26

    Slight Chance Snow

Today 9 Mar Carlton/South St. Louis

Mostly sunny. Near steady temperature in the mid 40s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 9 Mar Carlton/South St. Louis

A chance of snow this Evening, then snow likely after midnight. Snow accumulation around an inch. Cooler with Lows in the mid 20s. North Winds 5 to 10 Mph. Chance of snow 70 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Duluth International Airport Temperature Statistics

March Temperature

Duluth International Airport (0 miles)

  • Lowest 1 March, 2026

    -10.4 °F

  • Average March

    27 °F

  • Highest 4 March, 2026

    48 °F

Climate (2021–Present)

Duluth International Airport (0 miles)

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

  • Average Low 2021–2026

    33.6 °F

  • Average 2021–2026

    42.4 °F

  • Average High 2021–2026

    51.2 °F
Get WillyWeather+ to remove ads