Cougar Lake Weather Forecast

    • 49
    • 65

    Increasing Clouds

    • 48
    • 61

    Chance Thunderstorms

    • 46
    • 55

    Rain Showers

    • 46
    • 57

    Chance Rain Showers

    • 48
    • 62

    Chance Rain Showers

    • 48
    • 62

    Chance Rain Showers

Today 7 Sep Western Okanogan County

Haze in the morning. Partly cloudy in the Morning, then mostly cloudy with a chance of Showers and Thunderstorms in the afternoon. Highs in the 80s. Chance of precipitation 50 percent. Rainfall Amounts less than a quarter of an Inch, except higher Amounts possible in Thunderstorms.

Tonight 7 Sep Western Okanogan County

Partly cloudy. A chance of Showers and Thunderstorms in the Evening, then a chance of rain Showers overnight. Haze and Areas of smoke. Lows in the lower 50s to lower 60s. Chance of precipitation 50 percent. Rainfall Amounts less than a quarter of an Inch, except higher Amounts possible in Thunderstorms.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Cougar Lake Temperature Statistics

September Temperature

Omak Airport (51.6 miles)

  • Lowest 3 September, 2025

    64.9 °F

  • Average September

    83.5 °F

  • Highest 3 September, 2025

    104 °F

Climate (2020–Present)

Omak Airport (51.6 miles)

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

  • Average Low 2020–2025

    40.6 °F

  • Average 2020–2025

    51.7 °F

  • Average High 2020–2025

    62.7 °F
Get WillyWeather+ to remove ads