Lost Lake Weather Forecast
- 47
- 66
Increasing Clouds
- 42
- 51
Rain Showers Likely
- 49
- 59
Mostly Sunny
- 51
- 61
Sunny
- 44
- 59
Partly Sunny
- 44
- 53
Slight Chance Rain Showers
- 48
- 57
Partly Sunny
Today 13 Sep Western Chelan County
Sunny, haze. Highs in the upper 70s to upper 80s.
Tonight 13 Sep Western Chelan County
Partly cloudy. Lows in the lower 50s to lower 60s.
Lost Lake Temperature Statistics
September Temperature
Stampede Pass (41.6 miles)
Lowest 8 September, 2025
50 °FAverage September
61.6 °FHighest 2 September, 2025
87.1 °F
Climate (2020–Present)
Stampede Pass (41.6 miles)
Average Low 2020–2025
36.3 °FAverage 2020–2025
41.6 °FAverage High 2020–2025
48.3 °F