1. Forecast: Cloudy with a 30 percent chance of showers. Highs in the upper 50s.
2. Green Line is Back: If you commute via the E branch of the Green Line, good news: Service has been restored after a Monday derailment.
3. WorldBoston Great Decisions Series: Exiting Iraq and Afghanistan: The Boston Public Library Central Library is hosting a talk on how the U.S. exit strategies from Iraq and Afghanistan will affect the future of the Middle East. Tuesday, 6 to 7:30 p.m. Free. (An easy Orange Line ride to Back Bay.)
4. Fall Season of Notlob Concerts: The schedule is out for the fall Notlob Concerts at the Loring-Greenough House. There's a show Thursday by Richard Wood and Gordon Belsher. 8 p.m. Thursday, $20.
5. Harvest Concert Festival: Speaking of local music, on Saturday night there's a good coming to Hope Central Church. Saturday, 8 p.m. $10.