Duluth International Airport Weather Forecast

    • 30
    • 36

    Snow Likely

    • 33
    • 52

    Slight Chance Rain/Snow

    • 25
    • 43

    Snow Likely

    • 22
    • 32

    Chance Snow

    • 17
    • 34

    Slight Chance Snow

    • 26
    • 41

    Snow Likely

    • 14
    • 38

    Slight Chance Snow

Today 7 Mar Carlton/South St. Louis

Partly sunny. Highs in the lower 40s. West Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 7 Mar Carlton/South St. Louis

Mostly cloudy. Rain and snow likely in the Evening, then a chance of rain after midnight. Little or no snow accumulation. Lows in the lower 30s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of precipitation 70 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

    25.9 °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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