Duluth Harbor Basin Weather Forecast

    • 42
    • 47

    Rain Showers

    • 39
    • 46

    Chance Rain Showers

    • 38
    • 53

    Mostly Sunny

    • 45
    • 63

    Chance Rain Showers

    • 46
    • 61

    Chance Rain Showers

    • 47
    • 65

    Chance Rain Showers

Today 7 May Carlton/South St. Louis

Cloudy with a chance of Showers with a slight chance of Thunderstorms. Much cooler. Near steady temperature in the lower 50s. East Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Tonight 7 May Carlton/South St. Louis

A slight chance of Thunderstorms in the evening. Cloudy with a chance of Showers. Patchy fog. Lows in the lower 40s. East Winds 10 to 15 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Duluth Harbor Basin Temperature Statistics

May Temperature

Duluth - Sky Harbor Airport (3.7 miles)

  • Lowest 3 May, 2024

    37.4 °F

  • Average May

    47.1 °F

  • Highest 3 May, 2024

    68 °F

Climate (2019–Present)

Duluth - Sky Harbor Airport (3.7 miles)

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  • Average Low 2019–2024

    35.6 °F

  • Average 2019–2024

    42.5 °F

  • Average High 2019–2024

    49.5 °F
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