Duluth International Airport Weather Forecast

    • 48
    • 81

    Mostly Sunny

    • 52
    • 72

    Rain Showers

    • 54
    • 70

    Rain Showers

    • 57
    • 80

    Chance Thunderstorms

    • 59
    • 81

    Rain Showers

    • 56
    • 79

    Chance Rain Showers

    • 52
    • 74

    Chance Rain Showers

Today 6 Jun Carlton/South St. Louis

Sunny. Near steady temperature in the lower 80s. Northeast Winds around 5 Mph.

Tonight 6 Jun Carlton/South St. Louis

Mostly clear. Lows in the upper 40s. East Winds around 5 Mph.

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Duluth International Airport Temperature Statistics

June Temperature

Duluth International Airport (0 miles)

  • Lowest 1 June, 2026

    47.6 °F

  • Average June

    62.8 °F

  • Highest 3 June, 2026

    80.7 °F

Climate (2021–Present)

Duluth International Airport (0 miles)

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  • Average Low 2021–2026

    33.3 °F

  • Average 2021–2026

    42.2 °F

  • Average High 2021–2026

    51 °F
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