Masonry Pool Weather Forecast
- 47
- 58
Becoming Sunny
- 50
- 70
Sunny
- 50
- 72
Sunny
- 49
- 67
Mostly Sunny
- 50
- 68
Mostly Sunny
- 51
- 71
Partly Sunny
- 50
- 66
Chance Rain
Today 15 Sep Cascades of Southern King County
Patchy fog in the morning. Mostly cloudy with a slight chance of Showers. Snow level near 8000 feet. Afternoon pass Temperatures in the mid 50s. Light wind in the Passes.
Tonight 15 Sep Cascades of Southern King County
Mostly cloudy in the evening then becoming mostly clear. Patchy fog late in the evening. Freezing level near 9500 feet. Light wind in the Passes.
Masonry Pool Temperature Statistics
September Temperature
Stampede Pass (20.5 miles)
Lowest 3 September, 2026
39.9 °FAverage September
50.2 °FHighest 9 September, 2026
71.1 °F
Climate (2021–2026)
Stampede Pass (20.5 miles)
Average Low 2021–2026
36.1 °FAverage 2021–2026
41.5 °FAverage High 2021–2026
48.2 °F