Duluth International Airport Weather Forecast

    • 33
    • 54

    Increasing Clouds

    • 36
    • 43

    Rain Showers

    • 41
    • 48

    Rain Showers

    • 40
    • 60

    Partly Sunny

    • 37
    • 54

    Partly Sunny

    • 39
    • 52

    Chance Rain Showers

Today 25 Oct Carlton/South St. Louis

Mostly cloudy. Much cooler with Highs in the mid 50s. Northwest Winds 5 to 10 Mph.

Tonight 25 Oct Carlton/South St. Louis

Mostly cloudy. Lows in the lower 30s. North Winds around 5 Mph.

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Duluth International Airport Temperature Statistics

October Temperature

Duluth International Airport (0 miles)

  • Lowest 16 October, 2026

    33.7 °F

  • Average October

    51 °F

  • Highest 10 October, 2026

    80.1 °F

Climate (2021–2026)

Duluth International Airport (0 miles)

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  • Average Low 2021–2026

    33.2 °F

  • Average 2021–2026

    42.2 °F

  • Average High 2021–2026

    51 °F
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