A hard seltzer festival, Marc Maron and Whitney Cummings doing stand-up, and Open Streets in Anacostia are among the things to do around D.C. this weekend.

Don’t forget to check out our music and arts agendas for other events going on this Memorial Day weekend (especially since this weekend is your last chance to see a lot of great exhibitions). FRIDAY: >> We wrote about the outdoor Shakespeare Free for All earlier in the week, and still recommend you check out the staging of A Midsummer Night’s Dream. Shows start at 7:30 p.m. and run through June 5. >> Students from…