Duluth Heights Weather Forecast

    • 60
    • 77

    Increasing Clouds

    • 65
    • 82

    Mostly Sunny

    • 57
    • 78

    Chance Rain Showers

    • 58
    • 78

    Mostly Sunny

    • 59
    • 77

    Chance Rain Showers

    • 57
    • 74

    Partly Sunny

Today 5 Aug Carlton/South St. Louis

Sunny. Near steady temperature in the mid 70s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 5 Aug Carlton/South St. Louis

Partly cloudy. Not as cool with Lows in the upper 50s. Southwest Winds 5 to 10 Mph.

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Duluth Heights Temperature Statistics

August Temperature

Duluth International Airport (3.7 miles)

  • Lowest 3 August, 2026

    54 °F

  • Average August

    66.6 °F

  • Highest 3 August, 2026

    77 °F

Climate (2021–2026)

Duluth International Airport (3.7 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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