Slee Lake Weather Forecast

    • 49
    • 85

    Increasing Clouds

    • 52
    • 88

    Slight Chance Thunderstorms

    • 53
    • 94

    Mostly Sunny

    • 50
    • 90

    Mostly Sunny

    • 48
    • 88

    Mostly Sunny

    • 50
    • 91

    Mostly Sunny

Today 17 Aug Kootenai/Cabinet Region

Mostly cloudy early in the morning then clearing. Patchy fog early in the morning. Highs in the upper 70s to mid 80s.

Tonight 17 Aug Kootenai/Cabinet Region

Partly cloudy. Lows in the mid 40s to lower 50s.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Slee Lake Temperature Statistics

August Temperature

Boundary County Airport (25.5 miles)

  • Lowest 8 August, 2025

    48.2 °F

  • Average August

    69.6 °F

  • Highest 11 August, 2025

    91.4 °F

Climate (2020–Present)

Boundary County Airport (25.5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    37.4 °F

  • Average 2020–2025

    46.9 °F

  • Average High 2020–2025

    56.4 °F
Get WillyWeather+ to remove ads