According to the Meteorological Administration， the first three days after the holiday were characterized by widespread overcast and rainy weather across many parts of North China. Beijing， Tianjin， Hebei， northern Shaanxi， and Shanxi experienced continuous rainfall， with some stations in Shaanxi， Shanxi， and Hebei recording cumulative rainfall exceeding 100 millimeters over the three-day period. This prolonged period of precipitation is a common occurrence in early autumn for these regions due to lingering atmospheric disturbances and moisture convergence.
However， a significant shift in temperature is expected to begin around October 13th (Monday)， affecting both northern and southern China. In the northern regions， as rainfall subsides， the prevailing lower temperatures in the eastern Northwest， North China， and the Yellow River-Huai River plains are anticipated to improve considerably. For instance， major cities like Beijing， Tianjin， Shijiazhuang， Xi’an， Lanzhou， and Yinchuan are projected to see their maximum temperatures return to 20°C or above on the 13th. This warming trend is a typical post-rain phenomenon as clear skies allow for more solar radiation.
Meanwhile， in the southern regions， a weak cold air mass is expected to infiltrate southward， offering some relief from the high temperatures. Nevertheless， stubborn high-temperature weather may persist in certain areas of Jiangxi and Zhejiang provinces. This regional variation highlights the complex interplay of air masses and geographical factors influencing weather patterns during transitional seasons.
A notable weather event to watch is the forecast for a stronger cold air mass from October 15th to 19th. This system is expected to sweep across most of China from west to east， bringing pronounced winds and a significant drop in temperatures. Consequently， large parts of the north will experience considerably lower temperatures， marking a definitive end to the lingering warmth. For the south， this will signify a genuine cooling down， ushering in the autumn season and bidding farewell to the summer heat. This upcoming cold front is indicative of the seasonal shift， as the influence of the Siberian High begins to strengthen and push southward.
