12:30pm 2pm 3:30pm Planetarium Shows at Hudson River Museum Ages: AllArt Attractions Hudson River MuseumYonkers
6:30–10pm The Haunt at Wildcliff Mansion Ages: 9 and upCommunity Halloween Hudson Park Children’s GreenhouseNew Rochelle
6:30–10pm 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
2–3pm Homeschoolers of Haverstraw Ages: 5 – 12Free Haverstraw King’s Daughters Public Library, Main BranchGarnerville
5–7pm Family Movie @ the Village Branch Ages: 5 – 12 Haverstraw King’s Daughters Public Library Village BranchHaverstraw
6–7pm Pint-Sized Science Ages: 3 – 4Free 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
10am–2pm Orangetown Museum Exhibition: Creating Community 1950 Ages: 3 and upArt Community The Orangetown Historical Museum & ArchivesOrangeburg
10:30–11:15am Sensory Play @ the Village Branch Ages: 4 and under Haverstraw King’s Daughters Public Library Village BranchHaverstraw
4:30–5:30pm Game On! @ the VILLAGE BRANCH Ages: 5 – 12 Haverstraw King’s Daughters Public Library Village BranchHaverstraw
Various The Great Jack O’ Lantern Blaze: Hudson Valley Ages: AllFestivals Halloween Van Cortlandt ManorCroton-on-Hudson
10:30–11:15am Toddler Halloween Party Ages: 4 and underFree Halloween 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
10–11am Farm Friends Ages: 3 – 8Classes Environment Hilltop Hanover Farm & Environmental CenterYorktown Heights
6–6:30pm 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
10am–2pm Orangetown Museum Exhibition: Creating Community 1950 Ages: 3 and upArt Community The Orangetown Historical Museum & ArchivesOrangeburg
7–10:30pm The Haunt at Wildcliff Mansion Ages: 9 and upCommunity Halloween Hudson Park Children’s GreenhouseNew Rochelle
7–10:30pm 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
7–10:30pm The Haunt at Wildcliff Mansion Ages: 9 and upCommunity Halloween Hudson Park Children’s GreenhouseNew Rochelle
7–10:30pm 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
1–4pm Orangetown Museum Exhibition: Creating Community 1950 Ages: 3 and upArt Community The Orangetown Historical Museum & ArchivesOrangeburg
Tomorrow, 10 am Tree Journals: Exploring the Life of Trees at the Hudson Park Children’s Greenhouse Hudson Park Children’s Greenhouse
Brooklyn Paper Officials break ground on second phase of Kingsland Commons, bringing hundreds of affordable homes to Greenpoint