Princeton NJ Events Calendar — October 2026

Mercer County calendar

Events

Concerts, fairs, sports, and community nights across the county. Turn categories on or off to thin the calendar.

Submit an event

‹ Sep

Nov ›

9 events in Princeton on Oct 17 · Show the whole month

Library 10:00 AM

Local Author Day: Author Fair

Princeton Public Library

Library 11:00 AM

Kids: Face to Face with the Ancient World

Princeton Public Library

Fairs & Festivals 1:00 PM

Triumph Princeton Oktoberfest

Palmer Square Green

Library 2:00 PM

Kids: Chemistry Saturdays - Session 1

Princeton Public Library

Library 2:30 PM

Kids: Chemistry Saturdays - Session 2

Princeton Public Library

Sports 7:00 PM

Hobey Baker Rink

Music & Theater 8:00 PM

Bobby Collins LIVE

Hyatt Regency Princeton

Sports

Princeton Stadium

Sports 9:00 AM

COFFEE RUN (CLUB) October

lululemon Princeton