js对象，属性不固定，怎么转数组

Question

"future":{

        "day_20180829":{            "temperature":"24℃~28℃",            "weather":"中雨转暴雨",            "weather_id":{                "fa":"08",                "fb":"10"
            },            "wind":"东南风3-5级",            "week":"星期三",            "date":"20180829"
        },        "day_20180830":{            "temperature":"24℃~29℃",            "weather":"大雨-暴雨转雷阵雨",            "weather_id":{                "fa":"23",                "fb":"04"
            },            "wind":"持续无风向微风",            "week":"星期四",            "date":"20180830"
        }}

如上，我想转成[0:xxxxx,1:xxxxx,2:xxxxx]这样的格式。。现在我自己写成了这样。。转换没成功