1. Weather: Sunny. Hot. Humid with highs in the upper 90s. Heat Index values up to 106.
2. For the third day running, the city's cooling centers (there's one at the ) are open. Also, city pools will again be open until 9 p.m. tonight. The state is also having longer hours today at some beaches and pools (PDF).
3. Looking for free family fun today? Franklin Park Zoo is . No registration required. Just show up!
4. The hosts the second and final Friday of FerrisWheel's "." 8 p.m.
5. Speaking of long bike rides, this morning several of your neighbors embarked on the from Boston to New York. The riders are raising money to cure ALS. Here's a story about them from Jack Weiland.