Bumping Lake Weather Forecast
- 46
- 60
Increasing Clouds
- 42
- 57
Rain Showers
- 40
- 50
Rain Showers Likely
- 42
- 61
Partly Sunny
- 45
- 63
Mostly Sunny
- 48
- 66
Mostly Sunny
Today 11 Sep Upper Slopes of the Eastern Washington Cascades Crest
Mostly cloudy in the Morning, becoming partly cloudy. Highs in the mid 50s to mid 60s. Gusts up to 20 Mph in the morning.
Tonight 11 Sep Upper Slopes of the Eastern Washington Cascades Crest
Mostly cloudy. Lows in the 40s.
Bumping Lake Temperature Statistics
September Temperature
Stampede Pass (29.2 miles)
Lowest 3 September, 2026
39.9 °FAverage September
51 °FHighest 9 September, 2026
71.1 °F
Climate (2021–2026)
Stampede Pass (29.2 miles)
Average Low 2021–2026
36.1 °FAverage 2021–2026
41.5 °FAverage High 2021–2026
48.2 °F