Duluth International Airport Weather Forecast

    • 27
    • 39

    Wintry Mix

    • 31
    • 40

    Chance Snow

    • 35
    • 51

    Partly Sunny

    • 22
    • 44

    Chance Snow

    • 19
    • 31

    Chance Snow

    • 19
    • 35

    Chance Snow

Today 6 Mar Carlton/South St. Louis

Rain likely. Areas of fog. Not as cool with Highs in the lower 40s. Northeast Winds around 5 Mph. Chance of rain 70 percent.

Tonight 6 Mar Carlton/South St. Louis

Rain and freezing rain likely in the Evening, then Snow, rain and freezing rain after midnight. Patchy fog. Snow accumulation up to 1 inch. Ice accumulation around a trace. Lows in the mid 20s. Northwest Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of precipitation 90 percent.

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Duluth International Airport Temperature Statistics

March Temperature

Duluth International Airport (0 miles)

  • Lowest 1 March, 2026

    -10.4 °F

  • Average March

    26 °F

  • Highest 4 March, 2026

    48 °F

Climate (2021–Present)

Duluth International Airport (0 miles)

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  • Average Low 2021–2026

    33.6 °F

  • Average 2021–2026

    42.4 °F

  • Average High 2021–2026

    51.2 °F
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