Cougar Lake Weather Forecast
- 48
- 58
Increasing Clouds
- 50
- 52
Rain Showers
- 43
- 55
Rain Showers Likely
- 43
- 59
Partly Sunny
- 43
- 59
Partly Sunny
- 43
- 61
Partly Sunny
Today 14 Aug Upper Slopes of the Eastern Washington Cascades Crest
Mostly cloudy in the morning then clearing. Areas of smoke in the morning. Haze through the day. Patchy smoke in the afternoon. Highs in the lower 60s to lower 70s. West wind 5 to 15 Mph in the afternoon. Gusts up to 25 Mph.
Tonight 14 Aug Upper Slopes of the Eastern Washington Cascades Crest
Partly cloudy with a chance of rain Showers in the Evening, then cloudy with rain Showers likely overnight. Lows in the upper 40s to lower 50s. West wind 5 to 15 Mph in the Evening, becoming light. Gusts up to 25 Mph. Chance of precipitation 70 percent. Rainfall Amounts less than a quarter of an inch.
Cougar Lake Temperature Statistics
August Temperature
Stampede Pass (32.3 miles)
Lowest 8 August, 2025
43 °FAverage August
57.8 °FHighest 11 August, 2025
84 °F
Climate (2020–Present)
Stampede Pass (32.3 miles)
Average Low 2020–2025
36.2 °FAverage 2020–2025
41.5 °FAverage High 2020–2025
48.3 °F