Duluth International Airport Weather Forecast

    • 36
    • 48

    Rain

    • 31
    • 51

    Partly Sunny

    • 30
    • 51

    Partly Sunny

    • 30
    • 49

    Partly Sunny

    • 31
    • 53

    Mostly Sunny

    • 37
    • 59

    Partly Sunny

Today 27 Apr Carlton/South St. Louis

Rain. Patchy dense fog. Highs in the upper 40s. East Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain near 100 percent.

Tonight 27 Apr Carlton/South St. Louis

Cloudy. Rain, mainly in the evening. Lows in the mid 30s. Northwest Winds 10 to 15 Mph with Gusts up to 35 Mph. Chance of rain 80 percent.

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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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