Weather and Night Attraction of Beijing.

It will be warm during that time. The average temperature may range from 20~25C. You need to bring lightweight clothing when travelling there, such as long-sleeved shirts or T-shirts, plus one or two jackets.
The nice night attractions include National Stadium, National Aquatics Center(Water Cube), Shichahai, Chang'an Street, Sanlitun Pub Street, etc. Donghuamen Night Market is famous.