Park..nature walks don't mind cold states bundle up and return home for a hot lunch.
Games..not sure the spread of ages, but most can be adapted for a wide range.
Library (ours has computers in addition to books)
Nature center? we found nestled out of sight of traffic in our local park a nature center..it just has a few things, but still cool. (and free)
A major mess/craft project...painting a model (many kits are inexpensive and easy to build.) making some cards (vday is late but Ester isn't too far) or decorations....
Visit family..if you have some that you rarely see..or try a nursing home if not...nobody will mind if you are not related, the staff will point you to a talkative resident...ask about 'way back when' since you don't know em you wont have already heard the story
