Duluth Weather Forecast

    • 44
    • 66

    Mostly Sunny

    • 49
    • 69

    Increasing Clouds

    • 43
    • 62

    Chance Rain Showers

    • 47
    • 63

    Partly Sunny

    • 50
    • 69

    Partly Sunny

    • 49
    • 69

    Mostly Sunny

    • 49
    • 67

    Mostly Sunny

Today 22 Sep Carlton/South St. Louis

Sunny. South wind around 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Duluth Temperature Statistics

September Temperature

Duluth - Sky Harbor Airport (5 miles)

  • Lowest 6 September, 2021

    48.2 °F
  • Average September

    61.9 °F
  • Highest 4 September, 2021

    78.8 °F

Climate (2010–Present)

Duluth - Sky Harbor Airport (5 miles)

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  • Average Low 2010–Present

    36 °F
  • Average 2010–Present

    43 °F
  • Average High 2010–Present

    50.3 °F
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