••• This Sunday, Dudley’s Paw is hosting a Halloween party from noon to 2 p.m. The pet costume contest is at 1:30 p.m.

••• On Wednesday, Nov. 3, the Tribeca Group at Bond New York will be launch a series of informal monthly gatherings for residents and business owners called “First Wednesdays—Come Meet Your Neighbors.” The address is 25 Hudson, and wine and cheese will be served. For more info: 212-792-9256.

••• From Arts World Financial Center: “Since the spring, Arts World Financial Center has been host to artist Erik Guzman’s Weather Beacon, a high-tech kinetic sculpture that receives and decodes data from the Internet, transforming into an array of flashing lights and forecasting the weather for a curious public. Next week [Tues., Oct. 26, 6–8 p.m.], Weather Beacon will transform into a light organ that New Yorkers can play and illuminate by plugging their iPods into Guzman’s self-proclaimed “oracle for the Digital Age.” The two-hour event will kick off with song lists from New Yorkers such as musical director Kathleen Marshall (Grease) and actor Joel De La Fuente (Law & Order: Special Victims Unit).”

••• Also on Oct. 26: Dave Broom, author of The World Atlas of Whisky, will be at Brandy Library from 5 to 7 p.m; whisky will be tasted. RSVP at info@brandylibrary.com.

••• From Moomah: “Staring Monday, October 25, we’ll have Halloween specials, treats & tricks, organic hot apple cider, Halloween art projects, and our Fall Funky Forest! [Kids who] Come in costume during the week of October 25th [will] receive 50% off Halloween-themed projects all week (while supplies last). Funky Forest (open all day 10/30) is set for Fall and extra spooky for Halloween. Wear white for extra glowiness! A sight to be seen! (free admission with purchase of DIT project).”

••• Book before Oct. 31 for Alycea Ungaro’s wellness retreat in Nicaragua this January and you’ll get $150 off.

••• Show your ticket for Ball in the House at BMCC Tribeca Performing Arts Center (Oct. 29) at Jerry’s Café and you’ll get a free glass of wine with every entrée.

••• On Nov. 17, David Strathairn (love him) and Melissa Friedman will appear in a reading of Kate Fodor’s Hannah and Martin at the Museum of Jewish Heritage ($10).

••• BETTY will be at City Winery on Dec. 5.

••• Nutrition coach Jenna Edwards is offering free seminars on topics such as Greens & Grains and Sugar Blues from Oct. 25–29 at Sunshine Suites. The schedule is at her website.