Observation Hill Weather Forecast

    • 64
    • 72

    Slight Chance Thunderstorms

    • 66
    • 75

    Slight Chance Thunderstorms

    • 68
    • 79

    Chance Thunderstorms

    • 71
    • 83

    Chance Rain Showers

    • 70
    • 83

    Chance Thunderstorms

    • 67
    • 82

    Chance Rain Showers

Today 4 Aug Carlton/South St. Louis

Mostly cloudy with a chance of Showers. Areas of smoke. A slight chance of Thunderstorms in the afternoon. Highs in the mid 70s. Southeast Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 4 Aug Carlton/South St. Louis

Mostly cloudy. A slight chance of Showers and Thunderstorms in the evening. Areas of smoke in the evening. Lows in the upper 50s. East Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Real-Time

Observation Hill Temperature Statistics

August Temperature

Duluth - Sky Harbor Airport (4.3 miles)

  • Lowest 1 August, 2025

    53.6 °F

  • Average August

    67.7 °F

  • Highest 1 August, 2025

    78.8 °F

Climate (2020–Present)

Duluth - Sky Harbor Airport (4.3 miles)

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  • Average Low 2020–2025

    35.8 °F

  • Average 2020–2025

    42.7 °F

  • Average High 2020–2025

    49.7 °F
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