New Castle
Historic town · New Castle · Delaware
Six miles south of Wilmington on the Delaware River, New Castle packs around 500 buildings dating from 1700 to 1940 into a district about four blocks square, all of it a National Historic Landmark since 1967. Cobblestone streets, colonial rowhouses, and a central green make it an easy, walkable stop on a fall afternoon.
Don’t miss
Color nearby peaks: October 31–November 4
Color builds from October 19 · mostly bare by November 24
Sampled at New Castle’s own coordinates and elevation (11 m) rather than a regional average.
4 weather points cover Delaware, and the model shifts their answer 3 days later, which is what it takes to match 1 published peak date from smokymountains.com. Against Delaware's own climatology, the 2026 weather puts the peak 2 days earlier. How the forecast works
When to go to New Castle
Good color holds through about November 11, giving you roughly 23 days from the first turn to past peak. That runs roughly 3 days earlier than the rest of Delaware.
From Philadelphia it is about 29 mi, close enough for a morning drive. Baltimore is about 61 mi out.
New Castle on the map
Drag the date slider to see when color reaches this corner of Delaware, or tap a pin for that stop’s own peak window.
More things to do in Delaware
Leaves & views
Plan from a city
Frequently asked
- When does New Castle peak in 2026?
- Peak color is predicted for October 31–November 4 (best estimate November 2). Color starts around October 19 and is mostly bare by November 24.
- How do I get to New Castle?
- New Castle is in New Castle. The closest city is Philadelphia, about 29 mi away. It's part of Delaware's fall lineup.
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