201March 16-2 1 Beijing Weather Forecast

Tuesday 16, sunny day, high temperature of 7℃, no continuous wind and breeze.

It is sunny and low at night -2℃, and there is no continuous wind and breeze.

Wednesday 17, sunny day, high temperature of 8℃, no continuous wind and breeze.

Sunny to cloudy

Thursday 18, sunny to cloudy, 7℃ ~ 0℃, northerly wind 3-4.

Friday, 19, sunny, breezy 7℃ ~-2℃

That's all I can find. It should not change suddenly when it reaches 2 1. It's cold in Beijing in the morning and evening, so you can wear a thin down jacket or sweater. If you often have night activities, you should wear more, hehe.