Duluth International Airport Weather Forecast

    • 5
    • 20

    Mostly Cloudy

    • -6
    • 16

    Partly Sunny

    • 8
    • 14

    Mostly Cloudy

    • 8
    • 26

    Chance Snow

    • 1
    • 25

    Slight Chance Snow

    • 15
    • 30

    Partly Sunny

Today 21 Feb Carlton/South St. Louis

Partly sunny. Highs in the lower 20s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Wind chill Values as low as 3 below in the morning.

Tonight 21 Feb Carlton/South St. Louis

Cloudy with a chance of Flurries. Near steady temperature around 10 above. Northwest Winds 5 to 10 Mph. Wind chill Values as low as 4 below.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Duluth International Airport Temperature Statistics

February Temperature

Duluth International Airport (0 miles)

  • Lowest 3 February, 2026

    -6.4 °F

  • Average February

    23.3 °F

  • Highest 14 February, 2026

    47.6 °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

    42.5 °F

  • Average High 2021–2026

    51.3 °F
Get WillyWeather+ to remove ads