Duluth Weather Forecast

    • 73
    • 93

    Becoming Sunny

    • 71
    • 93

    Chance Thunderstorms

    • 69
    • 88

    Thunderstorms Likely

    • 70
    • 86

    Chance Thunderstorms

    • 73
    • 91

    Mostly Sunny

    • 74
    • 95

    Mostly Sunny

    • 74
    • 97

    Hot

Today 22 Jul Pottawatomie

Mostly sunny with a slight chance of Showers and Thunderstorms. Highs in the mid 90s. Southwest Winds around 5 Mph, becoming south 10 to 15 Mph. Chance of rain 20 percent.

Tonight 22 Jul Pottawatomie

Mostly clear. Lows in the mid 70s. South Winds 5 to 10 Mph with Gusts up to 20 Mph.

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Duluth Temperature Statistics

July Temperature

Marysville Municipal Airport (31.1 miles)

  • Lowest 1 July, 2025

    59 °F
  • Average July

    78.2 °F
  • Highest 10 July, 2025

    98.6 °F

Climate (2020–Present)

Marysville Municipal Airport (31.1 miles)

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  • Average Low 2020–2025

    43.2 °F
  • Average 2020–2025

    54.4 °F
  • Average High 2020–2025

    65.8 °F
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