Weather Trends - The forecast indicates light rain for the next two days, advising individuals to carry rain gear and be cautious while traveling [1] - The temperature is expected to vary significantly between day and night during the transition from summer to autumn, suggesting a layered clothing approach [1] Jinan Short-term Weather Forecast - From the afternoon of September 11 to the daytime of September 12, overcast conditions with light rain are expected in various districts, with a precipitation probability of 70% [2] - Minimum temperatures in the urban area will be around 22°C, while other districts will range from 19°C to 22°C, with maximum temperatures around 31°C [2] - The weather will transition to cloudy and then clear from the night of September 12 to the morning of September 13, with temperatures ranging from 18°C to 33°C [2] Pollen Forecast - On September 10, the total pollen count in Jinan was 768 grains per square millimeter, indicating a very high pollen concentration, primarily from ragweed, mugwort, and other grass pollens [3] - The pollen concentration is expected to remain at very high or extreme levels on September 11, with a recommendation for sensitive individuals to take protective measures when outdoors [3]