Duluth International Airport Weather Forecast

    • 28
    • 43

    Chance Rain/Snow

    • 28
    • 48

    Partly Sunny

    • 38
    • 57

    Chance Rain

    • 37
    • 58

    Chance Rain

    • 32
    • 51

    Chance Rain

    • 32
    • 51

    Chance Rain

Today 30 Apr Carlton/South St. Louis

Mostly cloudy with a chance of Sprinkles with a slight chance of snow. Near steady temperature in the lower 40s. North Winds 5 to 10 Mph. Chance of precipitation 20 percent.

Tonight 30 Apr Carlton/South St. Louis

Mostly cloudy with a chance of Sprinkles and Flurries in the Evening, then partly cloudy after midnight. Lows in the mid 20s. North Winds 5 to 10 Mph.

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Duluth International Airport Temperature Statistics

April Temperature

Duluth International Airport (0 miles)

  • Lowest 7 April, 2026

    7.6 °F

  • Average April

    35 °F

  • Highest 16 April, 2026

    73.7 °F

Climate (2021–Present)

Duluth International Airport (0 miles)

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  • Average Low 2021–2026

    33.4 °F

  • Average 2021–2026

    42.3 °F

  • Average High 2021–2026

    51.1 °F
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