Grob Lake Weather Forecast

    • 47
    • 79

    Mostly Sunny

    • 49
    • 80

    Partly Sunny

    • 41
    • 61

    Rain

    • 40
    • 68

    Mostly Sunny

    • 47
    • 75

    Mostly Sunny

    • 50
    • 78

    Mostly Sunny

Today 2 May Kootenai/Cabinet Region

Mostly sunny. Highs in the mid 70s to lower 80s.

Tonight 2 May Kootenai/Cabinet Region

Mostly clear. Lows in the 40s.

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Grob Lake Temperature Statistics

May Temperature

Boundary County Airport (54.1 miles)

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  • Average May

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Climate (2020–Present)

Boundary County Airport (54.1 miles)

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  • Average Low 2020–2025

    37.3 °F

  • Average 2020–2025

    46.7 °F

  • Average High 2020–2025

    56.2 °F
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