North Shore Weather Forecast

    • 63
    • 77

    Slight Chance Thunderstorms

    • 59
    • 76

    Chance Rain Showers

    • 56
    • 62

    Chance Rain Showers

    • 56
    • 61

    Chance Rain Showers

    • 58
    • 63

    Chance Rain Showers

    • 59
    • 66

    Chance Rain Showers

Today 16 Sep Carlton/South St. Louis

Patchy fog this morning. Sunny, hot with Highs in the mid 80s. South Winds 5 to 10 Mph.

Tonight 16 Sep Carlton/South St. Louis

Mostly clear in the Evening, then becoming partly cloudy. A slight chance of Showers and Thunderstorms. Areas of fog after midnight. Humid with Lows around 60. Southwest Winds around 5 Mph, becoming northwest around 5 Mph after midnight. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

North Shore Temperature Statistics

September Temperature

Duluth - Sky Harbor Airport (10.6 miles)

  • Lowest 7 September, 2025

    41 °F

  • Average September

    57.2 °F

  • Highest 2 September, 2025

    75.2 °F

Climate (2020–Present)

Duluth - Sky Harbor Airport (10.6 miles)

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  • Average Low 2020–2025

    35.9 °F

  • Average 2020–2025

    42.7 °F

  • Average High 2020–2025

    49.7 °F
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