Brule Lake Weather Forecast

    • 37
    • 56

    Increasing Clouds

    • 40
    • 60

    Rain Showers Likely

    • 43
    • 56

    Rain Showers Likely

    • 47
    • 68

    Partly Sunny

    • 51
    • 76

    Mostly Sunny

    • 53
    • 80

    Mostly Sunny

Today 21 May Northern Cook/Northern Lake

Sunny. Near steady temperature in the upper 50s. South Winds 5 to 10 Mph.

Tonight 21 May Northern Cook/Northern Lake

Partly cloudy in the Evening, then becoming mostly cloudy. Areas of frost after midnight. Lows in the upper 30s. Southeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Brule Lake Temperature Statistics

May Temperature

Grand Marais/Cook County Airport (15.5 miles)

  • Lowest 2 May, 2026

    21.2 °F

  • Average May

    42 °F

  • Highest 15 May, 2026

    78.8 °F

Climate (2021–Present)

Grand Marais/Cook County Airport (15.5 miles)

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  • Average Low 2021–2026

    28.6 °F

  • Average 2021–2026

    38 °F

  • Average High 2021–2026

    46.6 °F
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