Grob Lake Weather Forecast

    • 49
    • 76

    Chance Rain

    • 48
    • 77

    Mostly Sunny

    • 53
    • 82

    Mostly Sunny

    • 50
    • 83

    Mostly Sunny

    • 49
    • 76

    Mostly Sunny

    • 52
    • 80

    Mostly Sunny

Today 17 Jun Kootenai/Cabinet Region

Partly cloudy. A 50 percent chance of Areas of rain late in the afternoon. Highs in the 70s to lower 80s.

Tonight 17 Jun Kootenai/Cabinet Region

Partly cloudy. A 40 percent chance of Areas of rain in the evening. Lows in the mid 40s to lower 50s.

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  • Temperature Real-Time

Grob Lake Temperature Statistics

June Temperature

Boundary County Airport (54.1 miles)

  • Lowest 7 June, 2026

    39.2 °F

  • Average June

    57.6 °F

  • Highest 15 June, 2026

    84.2 °F

Climate (2021–2026)

Boundary County Airport (54.1 miles)

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  • Average Low 2021–2026

    37.9 °F

  • Average 2021–2026

    47.4 °F

  • Average High 2021–2026

    56.8 °F
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