Last year Chelmsford held trick-or-treat on Friday, October 31, 2025, 6–8 p.m..
Source: CBS Boston, Oct. 31, 2025 · checked Sept. 25, 2026
Last year: Suggested hours.
| Town | 2026 | Last year (2025) |
|---|---|---|
| Ayer | Not posted yet | Fri, Oct. 31, 6–8 p.m. |
| Dracut | Not posted yet | Fri, Oct. 31, 6–8 p.m. |
| Dunstable | Not posted yet | Fri, Oct. 31, 6–8 p.m. |
| Groton | Not posted yet | Fri, Oct. 31, 6–8 p.m. |
| Lowell | Not posted yet | Fri, Oct. 31, 6–8 p.m. |
| Pepperell | Not posted yet | Fri, Oct. 31, 6–8 p.m. |
| Tewksbury | Not posted yet | Fri, Oct. 31, 6–8 p.m. |
| Waltham | Not posted yet | No official hours |
| Wayland | Not posted yet | No official hours |
| Westford | Not posted yet | Fri, Oct. 31, 6–8 p.m. |
| Wilmington | Not posted yet | Fri, Oct. 31, 5:30–7:30 p.m. |
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