Field notes · 2026 estimate
When to see peak color at North Cascades Highway (Lake Diablo Lookout, Washington Pass)
Peak fall color is predicted around October 28. Plan for the strongest viewing window from October 23 to November 2.
- Predicted peak
- October 28
- Best window
- October 23 – November 2
- Confidence range
- ±5 days
The prediction comes from 14 years of fall color records at this spot, checked against what observers on the ground saw. Where state foliage spotters report peak (New York, Pennsylvania, Wisconsin and Missouri), it has landed inside our ±5-day window about two years in three. An unusual summer or autumn can still move it further. Explore fall color around Sedro-Woolley and across Washington.
Nearby locales
Other places to see color near North Cascades Highway (Lake Diablo Lookout, Washington Pass)
Under 30 minutes
30 to 60 minutes
1 to 2 hours
- Mountain Loop Highway47 mi · 1 hr 7 minPeak: Oct 21Status: Peak color
- Green Lake Park66 mi · 1 hr 24 minPeak: Oct 29Status: Moderate color
- Washington Park Arboretum (Seattle)69 mi · 1 hr 30 minPeak: Oct 30Status: Peak color
- Seattle Japanese Garden, Washington70 mi · 1 hr 31 minPeak: Nov 1Status: Peak color
- Bellevue Botanical Garden71 mi · 1 hr 32 minPeak: Oct 26Status: Fading
- Discovery Park71 mi · 1 hr 43 minPeak: Oct 28Status: Peak color
- Kubota Garden79 mi · 1 hr 44 minPeak: Oct 23Status: Peak color