查询天气预报在APP中常用的一个常用功能，聚合数据全国天气预报api接口可以根据根据城市名/id查询天气、根据IP查询天气、据GPS坐标查询天气、查询城市天气三小时预报，并且支持全国不同城市天气预报查询。
全国天气预报API：https://www.juhe.cn/docs/api/id/39
1.首先登录聚合数据，在API列表中找到全国天气预报api接口：
2.如需调用该数据，则需要申请密钥，点击“申请数据”进行申请，获取APPKEY：
3.查看演示：
4.JSON返回示例：
{
"resultcode": "200",
"reason": "查询成功!",
"result": {
"sk": { /*当前实况天气*/
"temp": "21", /*当前温度*/
"wind_direction": "西风", /*当前风向*/
"wind_strength": "2级", /*当前风力*/
"humidity": "4%", /*当前湿度*/
"time": "14:25" /*更新时间*/
},
"today": {
"city": "天津",
"date_y": "2014年03月21日",
"week": "星期五",
"temperature": "8℃~20℃", /*今日温度*/
"weather": "晴转霾", /*今日天气*/
"weather_id": { /*天气唯一标识*/
"fa": "00", /*天气标识00：晴*/
"fb": "53" /*天气标识53：霾 如果fa不等于fb，说明是组合天气*/
},
"wind": "西南风微风",
"dressing_index": "较冷", /*穿衣指数*/
"dressing_advice": "建议着大衣、呢外套加毛衣、卫衣等服装。", /*穿衣建议*/
"uv_index": "中等", /*紫外线强度*/
"comfort_index": "",/*舒适度指数*/
"wash_index": "较适宜", /*洗车指数*/
"travel_index": "适宜", /*旅游指数*/
"exercise_index": "较适宜", /*晨练指数*/
"drying_index": ""/*干燥指数*/
},
"future": [ /*未来几天天气*/
{
"temperature": "28℃~36℃",
"weather": "晴转多云",
"weather_id": {
"fa": "00",
"fb": "01"
},
"wind": "南风3-4级",
"week": "星期一",
"date": "20140804"
},
{
"temperature": "28℃~36℃",
"weather": "晴转多云",
"weather_id": {
"fa": "00",
"fb": "01"
},
"wind": "东南风3-4级",
"week": "星期二",
"date": "20140805"
},
{
"temperature": "27℃~35℃",
"weather": "晴转多云",
"weather_id": {
"fa": "00",
"fb": "01"
},
"wind": "东南风3-4级",
"week": "星期三",
"date": "20140806"
},
{
"temperature": "27℃~34℃",
"weather": "多云",
"weather_id": {
"fa": "01",
"fb": "01"
},
"wind": "东南风3-4级",
"week": "星期四",
"date": "20140807"
},
{
"temperature": "27℃~33℃",
"weather": "多云",
"weather_id": {
"fa": "01",
"fb": "01"
},
"wind": "东北风4-5级",
"week": "星期五",
"date": "20140808"
},
{
"temperature": "26℃~33℃",
"weather": "多云",
"weather_id": {
"fa": "01",
"fb": "01"
},
"wind": "北风4-5级",
"week": "星期六",
"date": "20140809"
},
{
"temperature": "26℃~33℃",
"weather": "多云",
"weather_id": {
"fa": "01",
"fb": "01"
},
"wind": "北风4-5级",
"week": "星期日",
"date": "20140810"
}
]
},
"error_code": 0
}