明天开启工作日：上海局部中到大雨，体感偏阴冷

Weather Summary - The first working day after the Spring Festival holiday in Shanghai will experience overcast weather with occasional rain, and local areas may accumulate moderate to heavy rainfall [1] - On February 23, the weather in Shanghai started sunny in the morning but became increasingly cloudy in the afternoon, with temperatures dropping significantly due to cold air, reaching a maximum of 15.4℃ at the Xujiahui station [3] - From the night of February 23, Shanghai will transition to overcast with occasional rain, continuing into the daytime of February 24, with local rainfall potentially reaching moderate to heavy levels [5] - Throughout the week, Shanghai is expected to have more rainy days than sunny ones, with significant rainfall expected on Thursday and Sunday, and temperatures remaining relatively stable between 12-15℃ for highs and 7-11℃ for lows [7]