Duluth Weather Forecast

    • 38
    • 47

    Mostly Cloudy

    • 34
    • 48

    Chance Rain Showers

    • 34
    • 44

    Mostly Cloudy

    • 40
    • 51

    Slight Chance Rain Showers

    • 36
    • 53

    Mostly Sunny

    • 37
    • 51

    Partly Sunny

Today 30 Oct Carlton/South St. Louis

Patchy dense fog late this morning. Mostly cloudy. Highs in the upper 40s. Southwest Winds around 5 Mph.

Tonight 30 Oct Carlton/South St. Louis

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

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Duluth Temperature Statistics

October Temperature

Duluth - Sky Harbor Airport (5 miles)

  • Lowest 24 October, 2025

    28.4 °F

  • Average October

    53.1 °F

  • Highest 4 October, 2025

    78.8 °F

Climate (2020–Present)

Duluth - Sky Harbor Airport (5 miles)

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  • Average Low 2020–2025

    36.1 °F

  • Average 2020–2025

    42.9 °F

  • Average High 2020–2025

    50 °F
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