Duluth International Airport Weather Forecast

    • 34
    • 51

    Mostly Cloudy

    • 33
    • 48

    Mostly Cloudy

    • 31
    • 46

    Chance Rain Showers

    • 31
    • 43

    Mostly Cloudy

    • 37
    • 48

    Chance Rain Showers

    • 32
    • 48

    Slight Chance Rain Showers

Today 29 Oct Carlton/South St. Louis

Partly sunny in the Morning, then becoming mostly cloudy. Patchy fog in the morning. Highs in the lower 50s. North Winds around 5 Mph.

Tonight 29 Oct Carlton/South St. Louis

Mostly cloudy. Lows in the lower 30s. Northeast Winds around 5 Mph in the Evening, becoming light and variable.

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Duluth International Airport Temperature Statistics

October Temperature

Duluth International Airport (0 miles)

  • Lowest 24 October, 2025

    23 °F

  • Average October

    50.3 °F

  • Highest 4 October, 2025

    84 °F

Climate (2020–Present)

Duluth International Airport (0 miles)

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  • Average Low 2020–2025

    33.7 °F

  • Average 2020–2025

    42.5 °F

  • Average High 2020–2025

    51.3 °F
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