Circle Lake Weather Forecast

    • 46
    • 68

    Slight Chance Thunderstorms

    • 49
    • 62

    Rain Showers Likely

    • 51
    • 63

    Rain Showers Likely

    • 50
    • 68

    Mostly Sunny

    • 53
    • 73

    Mostly Sunny

    • 58
    • 75

    Chance Rain Showers

Today 16 Aug Southern Cook/North Shore

Mostly cloudy with a chance of Showers and Thunderstorms late this Morning, then partly sunny with a slight chance of Showers this afternoon. Cooler with Highs in the upper 60s. Northeast Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 16 Aug Southern Cook/North Shore

Partly cloudy in the Evening, then becoming mostly clear. Cooler with Lows around 50. Northeast Winds 5 to 10 Mph with Gusts up to 25 Mph.

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Circle Lake Temperature Statistics

August Temperature

Grand Marais/Cook County Airport (5 miles)

  • Lowest 1 August, 2025

    50 °F

  • Average August

    65.3 °F

  • Highest 7 August, 2025

    78.8 °F

Climate (2020–Present)

Grand Marais/Cook County Airport (5 miles)

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  • Average Low 2020–2025

    28.8 °F

  • Average 2020–2025

    38.1 °F

  • Average High 2020–2025

    46.7 °F
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