The Best FREE Things to Do in Westchester

Free things to do in Westchester

Find the best events happening next weekend for tweens (9–12)

Find fun free things to do

Post an Event

Wednesday Sep. 3, 2025

6A91F4D6-3538-400B-9524-7447D478A32B

Noon–5pm

Haffen Park Back to School Concert & Giveaway

Haffen ParkBronx, New York

Friday Sep. 5

6–9pm

Starlight Cinema: Free Movies in Van Cortlandt Park

Ages: 3 and up
Film
Free

Parade Ground in Van Cortlandt ParkBronx

7pm

Movie Nights at the Nature Center on the Great Lawn

Ages: 5 – 12
Community
Film

Greenburgh Nature CenterScarsdale

Saturday Sep. 6

READ to a Dog

11am–noon

R.E.A.D. to a Dog

Ages: 5 – 12
Free

Haverstraw King’s Daughters Public Library, Main BranchGarnerville

wf-calendar-Family-Art-Workshop-Thaumatropes-in-Spaaaaaace-2025-09

Noon–4pm

Family Art Workshop: Thaumatropes in Spaaaaaace!

Ages: 5 and up
Art
Classes

Hudson River MuseumYonkers

Sunday Sep. 7

wf-calendar-Family-Art-Workshop-Thaumatropes-in-Spaaaaaace-2025-09

Noon–4pm

Family Art Workshop: Thaumatropes in Spaaaaaace!

Ages: 5 and up
Art
Classes

Hudson River MuseumYonkers

Tuesday Sep. 9

6:30–7:30pm

Crafty Creations: Perler Bead Fun (Gr. 4-6)

Ages: 9 – 12
Art
Craft & DIY

Finkelstein Memorial LibrarySpring Valley

Storm-GravityWaves-GeorgePreoteasa_91512b

7–8pm

Seeing the Night Sky Through Timelapse Photography (A Free, Virtual Lecture)

Ages: 9 and up
Art
Community

Hamptons Observatory (online)East Hampton

Friday Sep. 12

6–9pm

Starlight Cinema: Free Movies in Van Cortlandt Park

Ages: 3 and up
Film
Free

Parade Ground in Van Cortlandt ParkBronx

7pm

Movie Nights at the Nature Center on the Great Lawn

Ages: 5 – 12
Community
Film

Greenburgh Nature CenterScarsdale

Saturday Sep. 13

2025 Back-to-School Family Fun Walk at Sheldrake Environmental Center

10–11am

Back-to-School Family Fun Walk

Ages: 5 – 12
Classes
Community

Sheldrake Environmental CenterLarchmont

wf-calendar-Family-Art-Workshop-Thaumatropes-in-Spaaaaaace-2025-09

Noon–4pm

Family Art Workshop: Thaumatropes in Spaaaaaace!

Ages: 5 and up
Art
Classes

Hudson River MuseumYonkers

Sunday Sep. 14

wf-calendar-Family-Art-Workshop-Thaumatropes-in-Spaaaaaace-2025-09

Noon–4pm

Family Art Workshop: Thaumatropes in Spaaaaaace!

Ages: 5 and up
Art
Classes

Hudson River MuseumYonkers

Monday Sep. 15

6:30–7:30pm

Brain Games: Tricky Trivia (Gr. 4-6)

Ages: 9 – 12
Free
Games

Finkelstein Memorial LibrarySpring Valley

Thursday Sep. 18

6:30–7:30pm

Teen Makers for a Cause: Dog Toys

Ages: 9 and up
Art
Community

Finkelstein Memorial LibrarySpring Valley

Friday Sep. 19

6–9pm

Starlight Cinema: Free Movies in Van Cortlandt Park

Ages: 3 and up
Film
Free

Parade Ground in Van Cortlandt ParkBronx

Saturday Sep. 20

wf-calendar-Family-Art-Workshop-Thaumatropes-in-Spaaaaaace-2025-09

Noon–4pm

Family Art Workshop: Thaumatropes in Spaaaaaace!

Ages: 5 and up
Art
Classes

Hudson River MuseumYonkers

Sunday Sep. 21

wf-calendar-Family-Art-Workshop-Thaumatropes-in-Spaaaaaace-2025-09

Noon–4pm

Family Art Workshop: Thaumatropes in Spaaaaaace!

Ages: 5 and up
Art
Classes

Hudson River MuseumYonkers

Friday Sep. 26

6–9pm

Starlight Cinema: Free Movies in Van Cortlandt Park

Ages: 3 and up
Film
Free

Parade Ground in Van Cortlandt ParkBronx

Saturday Sep. 27

xr:d:DAFsfTdpnB4:2,j:5041054644760107982,t:23082421

10am–noon

Volunteer Cleanup at Sheldrake

Ages: 9 and up
Community
Free

Sheldrake Environmental CenterLarchmont

wf-calendar-Family-Art-Workshop-Thaumatropes-in-Spaaaaaace-2025-09

Noon–4pm

Family Art Workshop: Thaumatropes in Spaaaaaace!

Ages: 5 and up
Art
Classes

Hudson River MuseumYonkers

Fiesta Latina 2

Noon–2pm

Fiesta Latina

Ages: 5 and up
Free

Haverstraw King’s Daughters Public Library Village BranchHaverstraw

Sunday Sep. 28

wf-calendar-Family-Art-Workshop-Thaumatropes-in-Spaaaaaace-2025-09

Noon–4pm

Family Art Workshop: Thaumatropes in Spaaaaaace!

Ages: 5 and up
Art
Classes

Hudson River MuseumYonkers

+ Export Events

More from Around NYC

senior-backpack-attack-queensboro-plaza01

Senior attacked with backpack in Queensboro Plaza subway station: NYPD

Garrett Wilson Jets Patriots touchdown

Jets game by game predictions for 2025 season

A club room at Ridgewood nightclub Earthly Delights, which is transitioning to a private event-only venue before ultimately closing on Nov. 30.

Ridgewood nightclub Earthy Delights celebrates one-year anniversary amid looming closure

Screen Shot 2025-09-03 at 10.51.38 AM

Addabbo Health Center earns national recognition for patient-centered care