北京今天最高气温跌至0℃，阵风五级左右，夜间最低-9℃

Group 1 - The weather forecast for Beijing indicates clear skies during the day with a maximum temperature of 0°C and a north-to-south wind at level 3, with gusts reaching level 5 [1] - At night, the weather will remain clear with a minimum temperature of -9°C and a south-to-north wind at level 1-2 [1] - The low temperatures will create a cold sensation, prompting the need for warm clothing when going outside [1]