10月19日杭州正式入秋 18.2℃创今年下半年新低

Core Viewpoint - The recent weather changes in Hangzhou indicate a significant drop in temperature as the city transitions into autumn, influenced by a strong cold air mass and the approach of Typhoon Fengshen [1][2]. Group 1: Temperature Changes - Hangzhou experienced a notable temperature drop, with the lowest temperature recorded at 18.2℃, marking the lowest of the second half of the year [1]. - The average temperature is expected to decrease by 6℃ to 8℃, with daytime highs dropping to between 19℃ and 23℃ and nighttime lows ranging from 13℃ to 17℃ [1]. Group 2: Weather Forecast - The cold air mass is moving slowly, leading to a gradual decline in temperatures rather than a sudden drop [1]. - From Tuesday onwards, the weather is predicted to clear up, with daytime highs around 19℃ to 21℃, creating a comfortable atmosphere [2]. Group 3: Safety and Health Recommendations - Residents are advised to dress warmly, especially at night when temperatures fall below 20℃, and to prepare for the seasonal change by updating bedding [2]. - It is recommended to maintain indoor ventilation to prevent respiratory diseases as the weather cools down [2].