Stimson Hill Weather Forecast
- 53
- 69
Decreasing Clouds
- 54
- 72
Partly Sunny
- 53
- 72
Partly Sunny
- 53
- 70
Partly Sunny
- 54
- 73
Partly Sunny
- 54
- 72
Chance Rain
Today 16 Aug Foothills and Valleys of the North Cascades
Mostly cloudy until late afternoon then becoming mostly sunny. Patchy fog in the morning. Highs in the 70s to lower 80s. Light wind.
Tonight 16 Aug Foothills and Valleys of the North Cascades
Partly cloudy in the evening then becoming mostly cloudy. Patchy fog in the morning. Lows in the lower to mid 50s. Light wind.
Stimson Hill Temperature Statistics
August Temperature
Arlington Municipal Airport (9.9 miles)
Lowest 3 August, 2026
46.4 °FAverage August
64.3 °FHighest 6 August, 2026
84.9 °F
Climate (2021–2026)
Arlington Municipal Airport (9.9 miles)
Average Low 2021–2026
42.5 °FAverage 2021–2026
50.8 °FAverage High 2021–2026
59.8 °F