Baggo Fun: April's Fool at Lombardi Sports
Party on the rooftop terrace with lawn games, live music, free Extreme Pizza, and 21st Amendment beer.
Game on: Take aim at corn hole, ladder ball, ring toss, foosball, 3D pool, and air hockey for prizes.
Sat 11a-5p. Lombardi Sports, 1600 Jackson St., Nob Hill. Free.
Nearby: The Bigfoot Lodge; Red Devil Lounge; Shanghai Kelly's
Late Nightlife: Party After Dark at The Academy of Science
Dress up as the weekly party piggybacks off the Big Bang Gala for an extra special evening.
Who's there? Enjoy soul singing DJ Mayer Hawthorne, LA-based duo Poolside, and snacks from Del Popolo.
Tonight 8:30p-midnight. California Academy of Sciences, 55 Music Concourse Dr., Golden Gate Park. $75 here.
Nearby: Fireside Bar; Blackthorn; Mucky Duck
Sausage Fest: Mission Meat Up on 4/20
Quench your 4/20 munchies with a sausage flight, plus sides and a free drink.
Upgrade: For $15 extra, take advantage of the open bar from 7-8p.
Sat 7-11p. Avocados & Coconuts, 1417 15th St., The Mission. $35 or $50 VIP here.
Nearby: Nihon Whisky Lounge; Slate Bar; Dalva
Free Fest: Earth Day SF at Civic Center
Civic Center goes green with organic food vendors, beer and wine gardens, and a silent disco.
The line-up: Headliners include Bluegrass bards Poor Man's Whiskey, Afrobeat ensemble Albino!, and hip-hoppers Earth Amplified.
Sat 10a-6p. Civic Center Plaza, Civic Center. Free.
Nearby: Chambers Eat + Drink; Tradition; Rio Grande