Larch Lake Weather Forecast

    • 52
    • 75

    Chance Rain Showers

    • 44
    • 71

    Increasing Clouds

    • 46
    • 71

    Mostly Sunny

    • 53
    • 76

    Chance Rain Showers

    • 56
    • 77

    Rain Showers Likely

    • 52
    • 74

    Chance Rain Showers

    • 51
    • 75

    Partly Sunny

Today 21 Aug Northern Cook/Northern Lake

Mostly sunny with a chance of Showers with a slight chance of Thunderstorms. Near steady temperature in the mid 70s. Northwest Winds 5 to 10 Mph. Chance of rain 30 percent.

Tonight 21 Aug Northern Cook/Northern Lake

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms this Evening, then partly cloudy with a chance of Sprinkles after midnight. Lows in the lower 50s. Northwest Winds 5 to 10 Mph. Gusts up to 20 Mph after midnight. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Larch Lake Temperature Statistics

August Temperature

Grand Marais/Cook County Airport (28.6 miles)

  • Lowest 19 August, 2026

    46.4 °F

  • Average August

    62.2 °F

  • Highest 1 August, 2026

    77 °F

Climate (2021–2026)

Grand Marais/Cook County Airport (28.6 miles)

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  • Average Low 2021–2026

    28.7 °F

  • Average 2021–2026

    38 °F

  • Average High 2021–2026

    46.6 °F
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