The Somers Towne Centre road will be closed to traffic.
Vendors will be selling food, giving freebies out and hosting activities for kids of all ages.
Kicking off the day, there will be a dedication ceremony in Bailey Park of a 19th century water trough, featuring town supervisor Mary Beth Murphy.
Local community organizations and hospitals will be sending volunteers to do blood pressure checks. There will also be a raffle and many opportunities to learn about Somers history.
The event is free and open to the public.
For more information, visit the Somers Chamber of Commerce website.
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