Grob Lake Weather Forecast

    • 59
    • 91

    Mostly Sunny

    • 58
    • 91

    Partly Sunny

    • 54
    • 82

    Mostly Sunny

    • 54
    • 82

    Partly Sunny

    • 51
    • 79

    Partly Sunny

    • 54
    • 82

    Partly Sunny

Today 1 Jul Kootenai/Cabinet Region

Mostly sunny. Hot. Highs in the 90s.

Tonight 1 Jul Kootenai/Cabinet Region

Mostly clear. Lows in the mid 50s to lower 60s.

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Grob Lake Temperature Statistics

July Temperature

Boundary County Airport (54.1 miles)

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  • Average July

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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

    46.9 °F
  • Average High 2020–2025

    56.3 °F
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