Bumping Lake Weather Forecast
- 34
- 51
Decreasing Clouds
- 38
- 56
Mostly Sunny
- 46
- 64
Partly Sunny
- 48
- 68
Partly Sunny
- 42
- 62
Chance Rain Showers
- 39
- 59
Partly Sunny
- 40
- 58
Chance Rain Showers
Today 30 May Upper Slopes of the Eastern Washington Cascades Crest
Partly cloudy. Highs in the mid 40s to mid 50s. Northwest wind 5 to 15 Mph with Gusts to around 30 Mph.
Tonight 30 May Upper Slopes of the Eastern Washington Cascades Crest
Mostly clear. Lows in the upper 20s to mid 30s. Northwest wind 5 to 15 Mph with Gusts to around 35 Mph.
Bumping Lake Temperature Statistics
May Temperature
Stampede Pass (29.2 miles)
Lowest 16 May, 2026
30 °FAverage May
48.1 °FHighest 28 May, 2026
72 °F
Climate (2021–Present)
Stampede Pass (29.2 miles)
Average Low 2021–2026
36.3 °FAverage 2021–2026
41.7 °FAverage High 2021–2026
48.4 °F