11 am – 5 pm Brick-or-Treat: Monster Party Ages: 3 – 12Attractions Games LEGOLAND Discovery Center WestchesterYonkers
5 – 7 pm Builder’s Club Ages: 5 – 12 Haverstraw King’s Daughters Public Library, Main BranchGarnerville
Various The Great Jack O’ Lantern Blaze: Hudson Valley Ages: AllFestivals Halloween Van Cortlandt ManorCroton-on-Hudson
Various Blue Whale: The World’s Biggest Animal Ages: AllAttractions Liberty Science CenterJersey City
Various Tricks and Treats Ages: AllAnimals Attractions SEALIFE New Jersey at American DreamEast Rutherford
10 – 11 am Farm Friends Ages: 3 – 8Classes Environment Hilltop Hanover Farm & Environmental CenterYorktown Heights
11 am – 5 pm Brick-or-Treat: Monster Party Ages: 3 – 12Attractions Games LEGOLAND Discovery Center WestchesterYonkers
6 – 6:30 pm Music & Movement with Miss Fran Ages: 4 and underFree Haverstraw King’s Daughters Public Library, Main BranchGarnerville
Various The Great Jack O’ Lantern Blaze: Hudson Valley Ages: AllFestivals Halloween Van Cortlandt ManorCroton-on-Hudson
Various Blue Whale: The World’s Biggest Animal Ages: AllAttractions Liberty Science CenterJersey City
Various Tricks and Treats Ages: AllAnimals Attractions SEALIFE New Jersey at American DreamEast Rutherford
10 am – 2 pm Orangetown Museum Exhibition: Creating Community 1950 Ages: 3 and upArt Community The Orangetown Historical Museum & ArchivesOrangeburg
10:30 – 11:15 am Playtime Storytime Ages: 4 and under Haverstraw King’s Daughters Public Library, Main BranchGarnerville
11 am – 6 pm Brick-or-Treat at LEGOLAND® New York Ages: AllAttractions Halloween LEGOLAND New York ResortGoshen
11 am – 5 pm Brick-or-Treat: Monster Party Ages: 3 – 12Attractions Games LEGOLAND Discovery Center WestchesterYonkers
6:30 – 10 pm The Moth Story SLAM Ages: AllCommunity History & Culture Trinity St. Paul Parish HallNew Rochelle
7 – 10:30 pm The Haunt at Wildcliff Mansion Ages: 9 and upCommunity Halloween Hudson Park Children’s GreenhouseNew Rochelle
7 – 10:30 pm The Haunt at Wildcliff Mansion Ages: 5 and upHalloween Holiday The Haunt at Wildcliff MansionNew Rochelle
Various The Great Jack O’ Lantern Blaze: Hudson Valley Ages: AllFestivals Halloween Van Cortlandt ManorCroton-on-Hudson
Various Blue Whale: The World’s Biggest Animal Ages: AllAttractions Liberty Science CenterJersey City
Various Tricks and Treats Ages: AllAnimals Attractions SEALIFE New Jersey at American DreamEast Rutherford
9 am – 2 pm 4th Annual VEG Cares 5K to Benefit Local Pets Ages: AllAnimals Fundraisers Manhattanville CollegePurchase
9 am – 2 pm Yorktown H.S. Annual Music Tag Sale Ages: AllCommunity Free Yorktown High SchoolYorktown Heights
10 am – 6 pm Brick-or-Treat at LEGOLAND® New York Ages: AllAttractions Halloween LEGOLAND New York ResortGoshen
Tomorrow, 10:30 am Stories & Crafts with Miss Cheryl Haverstraw King’s Daughters Public Library, Main Branch