明日小寒，北京夜间北风起，下周还有两天北风吹

Summary of Key Points Core Viewpoint - The weather in Beijing is expected to be generally good on the first working day of 2026, with temperatures ranging from -1°C to 6°C during the day and -9°C to -4°C at night, indicating a cold spell approaching with the arrival of the minor solar term "Xiao Han" [1][2]. Weather Forecast - The forecast predicts that from January 5 to January 12, daytime temperatures will range from -1°C to 6°C, while nighttime temperatures will drop to between -9°C and -4°C [2]. - A weak cold air mass is expected to affect Beijing from the night of January 6 to January 7, bringing 3 to 4 level north winds, prompting residents to take precautions against the cold [1]. - There will be multiple cold air activities in Beijing from January 7 to January 16, with noticeable north winds expected around January 9 and 11 [1].