Chester Lake Weather Forecast

    • 37
    • 52

    Chance Rain Showers

    • 39
    • 60

    Partly Sunny

    • 40
    • 62

    Mostly Sunny

    • 43
    • 63

    Mostly Cloudy

    • 44
    • 64

    Partly Sunny

    • 49
    • 70

    Partly Sunny

Today 24 May Northern Cook/Northern Lake

Partly sunny. Patchy fog this morning. A chance of rain Showers with a slight chance of Thunderstorms this afternoon. Highs in the mid 50s. Northeast Winds around 5 Mph. Chance of rain 40 percent.

Tonight 24 May Northern Cook/Northern Lake

Mostly cloudy with a slight chance of rain Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Patchy frost after midnight. Lows in the upper 30s. South Winds around 5 Mph. Chance of rain 20 percent.

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Chester Lake Temperature Statistics

May Temperature

Grand Marais/Cook County Airport (16.8 miles)

  • Lowest 8 May, 2025

    26.6 °F

  • Average May

    51 °F

  • Highest 12 May, 2025

    80.6 °F

Climate (2020–Present)

Grand Marais/Cook County Airport (16.8 miles)

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  • Average Low 2020–2025

    28.9 °F

  • Average 2020–2025

    38.3 °F

  • Average High 2020–2025

    46.8 °F
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