△昨天，人们在安贞街3月9日前区看望户外工作者。 今天是3月9日的第一天。俗话说，“49 年 3 月 9 日，冰上行走”。近日，北京气温持续下降。 According to the forecast of the city meteorological observatory, the maximum temperature today is expected to be 5 ℃, and tomorrow it will increase to 7 ℃ with a small mountain, which is also the highest temperature in recent times. However, temperatures began to drop from Saturday, with the maximum temperatures on Saturday and Sunday remaining at 2°C and 0°C, respectively. The cold weather of March 9th is approaching. In addition, starting tomorrow there will be scattered snow in the mountains, and then the northerly wind will gradually increase, with strong winds blowing from Friday afternoon to Saturday.特别是夜间气温会明显下降，外出时要注意穿暖。 （来源：北京日报）