Grob Lake Weather Forecast

    • 19
    • 37

    Mostly Sunny

    • 27
    • 40

    Snow

    • 33
    • 42

    Snow

    • 19
    • 40

    Snow

    • 7
    • 29

    Snow Likely

    • 5
    • 19

    Chance Snow

Today 29 Jan Kootenai/Cabinet Region

Mostly sunny. Patchy freezing fog in the morning. Highs in the 30s.

Tonight 29 Jan Kootenai/Cabinet Region

Mostly clear. Patchy freezing fog. Lows 13 to 20.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grob Lake Temperature Statistics

January Temperature

Boundary County Airport (54.1 miles)

  • Lowest 27 January, 2025

    10.4 °F

  • Average January

    27.1 °F

  • Highest 16 January, 2025

    39.2 °F

Climate (2020–Present)

Boundary County Airport (54.1 miles)

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  • Average Low 2020–2025

    37.2 °F

  • Average 2020–2025

    46.7 °F

  • Average High 2020–2025

    56.1 °F
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