Harnell Park Weather Forecast

    • 56
    • 80

    Chance Thunderstorms

    • 54
    • 78

    Slight Chance Rain Showers

    • 50
    • 77

    Partly Sunny

    • 54
    • 73

    Mostly Cloudy

    • 55
    • 67

    Chance Rain Showers

    • 53
    • 72

    Slight Chance Rain Showers

Today 11 Aug Carlton/South St. Louis

Partly sunny. A slight chance of Showers this morning. Highs in the lower 80s. Northeast Winds around 5 Mph. Chance of rain 20 percent.

Tonight 11 Aug Carlton/South St. Louis

Mostly cloudy. Lows in the mid 50s. Northeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Harnell Park Temperature Statistics

August Temperature

Duluth International Airport (9.9 miles)

  • Lowest 5 August, 2026

    48.7 °F

  • Average August

    66.1 °F

  • Highest 6 August, 2026

    80.7 °F

Climate (2021–2026)

Duluth International Airport (9.9 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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