Bigsby Lake Weather Forecast

    • 54
    • 76

    Chance Rain Showers

    • 47
    • 75

    Mostly Sunny

    • 48
    • 71

    Mostly Sunny

    • 52
    • 72

    Partly Sunny

    • 56
    • 75

    Chance Thunderstorms

    • 54
    • 76

    Chance Rain Showers

    • 52
    • 75

    Partly Sunny

Today 21 Aug Southern Cook/North Shore

Mostly sunny. Near steady temperature in the lower 70s. Northwest Winds around 5 Mph.

Tonight 21 Aug Southern Cook/North Shore

Mostly cloudy. A slight chance of Showers and Thunderstorms this Evening, then a chance of Sprinkles after midnight. Lows in the mid 50s. Northwest Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Bigsby Lake Temperature Statistics

August Temperature

Grand Marais, The Bay of Grand Marais (13 miles)

  • Lowest 4 August, 2026

    51.1 °F

  • Average August

    60.4 °F

  • Highest 16 August, 2026

    78.1 °F

Climate (2021–2026)

Grand Marais, The Bay of Grand Marais (13 miles)

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  • Average Low 2021–2026

    33.3 °F

  • Average 2021–2026

    40.7 °F

  • Average High 2021–2026

    47.9 °F
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