我想了解现在北京的天气如何？请以json格式呈现天气情况，包括天气状况、气温、风力和风向。请确保json格式正确。


{
  "weather": "晴",
  "temperature": "12°C",
  "wind_direction": "北风",
  "wind_strength": "2级"
}
user
{
  "weather": "晴",
  "temperature": "12°C",
  "wind_direction": "北风",
  "wind_strength": "2级"
}
assistant