News Common’s Frog Pond Spray Pool Reopens For Summer by Beacon Hill Times Staff • July 1, 2021 • 0 Comments Above, children cooling off at The Frog Pond spray pool on the Boston Common, which was closed last year due to the pandemic,reopened on Thursday, June 24. Hours for the Frog Pond spray pool are 11 a.m. to 6 p.m. daily, and it remain open to the public daily through Labor Day. Acting Mayor Kim Janey at the June 24 reopening of the Frog Pond spray pond on the Boston Common.