What's the weather like in Nanjing from 13th to 19th? How about it?

cloudy-cloudy 6℃ -3℃ northeast wind level 4-5 on 14th

cloudy-sunny 2℃ -7℃ north wind level 3-4 on 15th

sunny-cloudy 1℃ -6℃ northeast wind breeze on 16th

cloudy on 17th.