Duluth International Airport Weather Forecast

    • 22
    • 27

    Snow Likely

    • 13
    • 36

    Chance Flurries

    • 22
    • 33

    Snow

    • 12
    • 32

    Chance Snow

    • 13
    • 31

    Chance Snow

    • 0
    • 22

    Chance Snow

    • 0
    • 20

    Mostly Sunny

Today 10 Mar Carlton/South St. Louis

Mostly cloudy with a 50 percent chance of snow. Little or no additional snow accumulation. Much cooler. Near steady temperature in the upper 20s. East Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 10 Mar Carlton/South St. Louis

Snow, mainly this evening. Snow accumulation of 1 to 3 Inches. Near steady temperature in the mid 20s. Northeast Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of snow near 100 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

    29.7 °F

  • Highest 8 March, 2026

    48.9 °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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