Hermantown Weather Forecast

    • 68
    • 96

    Increasing Clouds

    • 61
    • 86

    Partly Sunny

    • 57
    • 81

    Chance Thunderstorms

    • 58
    • 79

    Slight Chance Rain Showers

    • 57
    • 79

    Slight Chance Thunderstorms

    • 58
    • 81

    Slight Chance Thunderstorms

Today 14 Jul Carlton/South St. Louis

Sunny, hot with Highs in the mid 90s. West Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 14 Jul Carlton/South St. Louis

Mostly clear in the Evening, then becoming mostly cloudy. Smoke after midnight. Humid with Lows in the upper 60s. West Winds 5 to 10 Mph, becoming north after midnight.

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Hermantown Temperature Statistics

July Temperature

Duluth International Airport (3.1 miles)

  • Lowest 6 July, 2026

    52.6 °F

  • Average July

    70.8 °F

  • Highest 12 July, 2026

    91 °F

Climate (2021–2026)

Duluth International Airport (3.1 miles)

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  • Average Low 2021–2026

    33.3 °F

  • Average 2021–2026

    42.1 °F

  • Average High 2021–2026

    51 °F
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