Lake Valhalla Weather Forecast
- 48
- 66
Decreasing Clouds
- 47
- 73
Mostly Sunny
- 47
- 65
Rain Showers Likely
- 42
- 54
Mostly Cloudy
- 47
- 63
Partly Sunny
- 50
- 67
Chance Rain Showers
Today 18 Sep Western Chelan County
Partly cloudy. Highs in the mid 70s to mid 80s.
Tonight 18 Sep Western Chelan County
Mostly clear. Lows in the lower 50s to lower 60s.
Lake Valhalla Temperature Statistics
September Temperature
Stampede Pass (37.3 miles)
Lowest 15 September, 2025
39.9 °FAverage September
59.2 °FHighest 2 September, 2025
87.1 °F
Climate (2020–Present)
Stampede Pass (37.3 miles)
Average Low 2020–2025
36.3 °FAverage 2020–2025
41.5 °FAverage High 2020–2025
48.3 °F