1. Today’s the summer solstice, the longest day in 2011. Looking for a local way to welcome summer? Try the annual River Solstice in nearby Concord.

2. A proposal to pasture poultry at Meadow Mist Farm headlines the Conservation Commission’s meeting at 7:30 p.m. tonight in the Selectmen’s Meeting Room. Other agenda items include draining improvements on the Minute Man Bikeway.

3. Lexington’s Chinese Friends are hosting an informational seminar on how to adjust to American life from 7 to 9 p.m. today at Cary Memorial Library.

4. From the obscure observances file, today, apparently is “Go Skateboarding Day.” According to the website, it’s an occasion for skateboarders to blow off all other responsibilities and go skateboarding. Unfortunately, there are no listed events in Lexington. The closest appears to be an afterparty in Providence.

5. Looks like another sunny one, with highs about 80, according to the National Weather Service, which predicts a partly cloudy evening with lows around 61.