Sky Harbor Airport Weather Forecast

    • 59
    • 63

    Rain Showers

    • 55
    • 71

    Partly Sunny

    • 45
    • 61

    Partly Sunny

    • 46
    • 58

    Partly Sunny

    • 47
    • 58

    Slight Chance Rain Showers

    • 42
    • 56

    Partly Sunny

Today 29 Sep Carlton/South St. Louis

Cloudy with a slight chance of Thunderstorms. A chance of Showers this Morning, then Showers likely this afternoon. Patchy fog this afternoon. Highs in the lower 60s. South Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

Tonight 29 Sep Carlton/South St. Louis

Cloudy. A chance of Showers with a slight chance of Thunderstorms in the evening. Patchy fog. Lows in the mid 50s. Southwest Winds 5 to 10 Mph. Chance of rain 40 percent.

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Sky Harbor Airport Temperature Statistics

September Temperature

Duluth - Sky Harbor Airport (0 miles)

  • Lowest 22 September, 2026

    44.6 °F

  • Average September

    61.2 °F

  • Highest 1 September, 2026

    84.2 °F

Climate (2021–2026)

Duluth - Sky Harbor Airport (0 miles)

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  • Average Low 2021–2026

    35.8 °F

  • Average 2021–2026

    42.5 °F

  • Average High 2021–2026

    49.4 °F
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