The Best Outdoor Events in Westchester

Outdoor events in Westchester

Find the best upcoming events & activities for any age group

Find upcoming outdoor events and outings for groups or individuals this season

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Thursday Jan. 22, 2026

3I/ATLAS

7–8pm

Comets & Interstellar Visitors: Exploring the Dynamic Sky (A Free, Virtual Lecture)

Ages: 9 and up
Community
Environment

Hamptons Observatory with Suffolk County Community College (online)East Hampton

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