1. 国家气象局
实时接口：
实时天气1：http://www.weather.com.cn/data/sk/101190408.html
实时天气2：http://www.weather.com.cn/data/cityinfo/101190408.html
实时天气3（带时间戳）：http://mobile.weather.com.cn/data/sk/101010100.html?_=1381891661455
一周天气预报接口
7天预报数据 URL：http://mobile.weather.com.cn/data/forecast/101010100.html?_=1381891660081
该接口来源气象局移动版网站，json数据格式如下：
{"c": {"c1":"101010100","c2":"beijing","c3":"北京","c4":"beijing","c5":"北京","c6":"beijing","c7":"北京","c8":"china","c9":"中国","c10":"1","c11":"010","c12":"100000","c13":"116.391","c14":"39.904","c15":"33","c16":"AZ9010","c17":"+8"},"f": {"f1": [ {"fa":"01","fb":"03","fc":"10","fd":"5","fe":"0","ff":"0","fg":"0","fh":"0","fi":"06:21|17:40"}, {"fa":"07","fb":"07","fc":"19","fd":"12","fe":"0","ff":"0","fg":"0","fh":"0","fi":"06:22|17:38"}, {"fa":"02","fb":"00","fc":"15","fd":"5","fe":"8","ff":"8","fg":"3","fh":"1","fi":"06:23|17:37"}, {"fa":"00","fb":"00","fc":"16","fd":"4","fe":"0","ff":"0","fg":"0","fh":"0","fi":"06:24|17:35"}, {"fa":"00","fb":"00","fc":"18","fd":"7","fe":"0","ff":"0","fg":"0","fh":"0","fi":"06:25|17:34"}, {"fa":"00","fb":"01","fc":"18","fd":"8","fe":"0","ff":"0","fg":"0","fh":"0","fi":"06:26|17:32"}, {"fa":"01","fb":"01","fc":"16","fd":"6","fe":"0","ff":"0","fg":"0","fh":"0","fi":"06:27|17:31"} ],"f0":"201310121100"}}
详细接口分析如下：
//格式说明 var format={"fa":图片1,"fb"：图片2,"fc":温度1,fd：温度2,fe:风向1,ff：风向2,fg:风力1,fh：风力2,fi:日出日落}; //定义天气类型var weatherArr={"10":"暴雨","11":"大暴雨","12":"特大暴雨","13":"阵雪","14":"小雪","15":"中雪","16":"大雪","17":"暴雪","18":"雾","19":"冻雨","20":"沙尘暴","21":"小到中雨","22":"中到大雨","23":"大到暴雨","24":"暴雨到大暴雨","25":"大暴雨到特大暴雨","26":"小到中雪","27":"中到大雪","28":"大到暴雪","29":"浮尘","30":"扬沙","31":"强沙尘暴","53":"霾","99":"","00":"晴","01":"多云","02":"阴","03":"阵雨","04":"雷阵雨","05":"雷阵雨伴有冰雹","06":"雨夹雪","07":"小雨","08":"中雨","09":"大雨"}; //定义风向数组 var fxArr={"0":"无持续风向","1":"东北风","2":"东风","3":"东南风","4":"南风","5":"西南风","6":"西风","7":"西北风","8":"北风","9":"旋转风"};//定义风力数组 var flArr={"0":"微风","1":"3-4级","2":"4-5级","3":"5-6级","4":"6-7级","5":"7-8级","6":"8-9级","7":"9-10级","8":"10-11级","9":"11-12级"};
获取全国所有城市代码列表
方法一：XML接口根节点：http://flash.weather.com.cn/wmaps/xml/china.xmlXML接口主要作用是递归获取全国几千个县以上单位的城市代码，如：江苏的XML地址为：http://flash.weather.com.cn/wmaps/xml/shanghai.xml苏州的XML地址为：http://flash.weather.com.cn/wmaps/xml/jiangsu.xml上面页面获得太仓city code：101190408合成太仓天气信息地址：http://m.weather.com.cn/data/101190408.html
下面贴一段PHP代码实现的，通过XML接口根节点递归获得全国几千个县以上城市cide code的代码，供参考(可直接在终端下运行）：
方法二：一次性获取全国+国外主要城市，8763个城市列表信息。URL：http://mobile.weather.com.cn/js/citylist.xml
2. 中国天气SmartWeatherAPI(http://smart.weather.com.cn/wzfw/smart/weatherapi.shtml)
SmartWeatherAPI接口(简称”SWA”接口)是中国气象局面向网络媒体、手机厂商、第三方气象服务机构等用户，通过web方式提供数据气象服务的官方载体。该数据主要包括预警、实况、指数、常规预报(24小时)等数据内容。
接口文档：http://download.weather.com.cn/creative/SmartWeatherAPI_Lite_WebAPI_3.0.1.rar
使用须申请，详见官网http://smart.weather.com.cn/wzfw/smart/weatherapi.shtml
3. 和风天气
数据主要包含：实时天气，3天内天气预报，生活指数，空气质量。
访问流量：4000次/天。
访问频率：200次/分钟。
URL：https://free-api.heweather.com/v5/forecast?city=yourcity&key=yourkey
city：城市名称，city可通过城市中英文名称、ID、IP和经纬度进行查询，经纬度查询格式为：经度,纬度。例：city=北京，city=beijing，city=CN101010100，city= 60.194.130.1
key：用户认证key
注册页面：https://www.heweather.com/products
接口文档：https://www.heweather.com/documents/api/v5
4. 心知天气（免费版只提供地级市数据）
包含数据：中国地级城市、天气实况、天气预报（3天）、生活指数（基础）。
访问频率限制：400次/小时
api详述：https://www.seniverse.com/doc
使用需注册。
注册地址：https://www.seniverse.com/signup
5. 彩云天气
数据包含：实时天气数据（天气、温度、湿度、风向、网速、云量、降雨量、PM2.5、空气质量指数）。
API详述：http://wiki.swarma.net/index.php/%E5%BD%A9%E4%BA%91%E5%A4%A9%E6%B0%94API/v2
url示例：https://api.caiyunapp.com/v2/TAkhjf8d1nlSlspN/121.6544,25.1552/realtime.json
https://api.caiyunapp.com/v2/TAkhjf8d1nlSlspN/121.6544,25.1552/realtime.jsonp?callback=MYCALLBACK
使用需注册
产品详单：http://labs.swarma.net/api/caiyun_api_service_price.pdf
注册页面：https://www.caiyunapp.com/dev_center/regist.html
6. 中央天气预报
url：http://tj.nineton.cn/Heart/index/all
参数如下：
city：城市码
language：固定值 zh-chs
unit：温度单位固定值 c。可不填。也可省略该参数
aqi：固定值 city。可不填。也可省略该参数
alarm：固定值 1。可不填。也可省略该参数
key：秘钥，固定值 78928e706123c1a8f1766f062bc8676b。可不填。也可省略该参数
url 示例：http://tj.nineton.cn/Heart/index/all?city=CHSH000000&language=zh-chs&unit=c&aqi=city&alarm=1&key=78928e706123c1a8f1766f062bc8676b或http://tj.nineton.cn/Heart/index/all?city=CHSH000000&language=&unit=&aqi=&alarm=&key=或http://tj.nineton.cn/Heart/index/all?city=CHSH000000
json 示例：
{"status":"OK","weather": [ {"city_name":"佛山","city_id":"CHGD070000","last_update":"2017-02-19T12:15:00+08:00","now": {"text":"阴","code":"9","temperature":"21","feels_like":"21","wind_direction":"南","wind_speed":"10.44","wind_scale":"2","humidity":"58","visibility":"13.8","pressure":"1014","pressure_rising":"未知","air_quality": {"city": {"aqi":"64","pm25":"46","pm10":"74","so2":"9","no2":"28","co":"0.575","o3":"108","last_update":"2017-02-19T12:00:00+08:00","quality":"良"},"stations":null} },"today": {"sunrise":"06:58 AM","sunset":"6:27 PM","suggestion": {"dressing": {"brief":"单衣类","details":"建议着长袖T恤、衬衫加单裤等服装。年老体弱者宜着针织长袖衬衫、马甲和长裤。"},"uv": {"brief":"最弱","details":"属弱紫外线辐射天气，无需特别防护。若长期在户外，建议涂擦SPF在8-12之间的防晒护肤品。"},"car_washing": {"brief":"不适宜","details":"不宜洗车，未来24小时内有雨，如果在此期间洗车，雨水和路上的泥水可能会再次弄脏您的爱车。"},"travel": {"brief":"适宜","details":"天气较好，温度适宜，总体来说还是好天气哦，这样的天气适宜旅游，您可以尽情地享受大自然的风光。"},"flu": {"brief":"易发期","details":"相对今天出现了较大幅度降温，较易发生感冒，体质较弱的朋友请注意适当防护。"},"sport": {"brief":"比较适宜","details":"阴天，较适宜进行各种户内外运动。"} } },"future": [ {"date":"2017-02-19","day":"周日","text":"阴/小雨","code1":"9","code2":"13","high":"24","low":"18","cop":"","wind":"微风3级"}, {"date":"2017-02-20","day":"周一","text":"阴","code1":"9","code2":"9","high":"23","low":"18","cop":"","wind":"微风3级"}, {"date":"2017-02-21","day":"周二","text":"阵雨","code1":"10","code2":"10","high":"22","low":"18","cop":"","wind":"微风3级"}, {"date":"2017-02-22","day":"周三","text":"小雨","code1":"13","code2":"13","high":"23","low":"13","cop":"","wind":"微风3级"}, {"date":"2017-02-23","day":"周四","text":"小雨","code1":"13","code2":"13","high":"20","low":"10","cop":"","wind":"北风4级"}, {"date":"2017-02-24","day":"周五","text":"小雨","code1":"13","code2":"13","high":"14","low":"10","cop":"","wind":"北风4级"}, {"date":"2017-02-25","day":"周六","text":"小雨","code1":"13","code2":"13","high":"15","low":"10","cop":"","wind":"微风3级"}, {"date":"2017-02-26","day":"周日","text":"小雨","code1":"13","code2":"13","high":"15","low":"10","cop":"","wind":"北风3级"}, {"date":"2017-02-27","day":"周一","text":"小雨/多云","code1":"13","code2":"4","high":"21","low":"11","cop":"","wind":"北风3级"}, {"date":"2017-02-28","day":"周二","text":"多云","code1":"4","code2":"4","high":"24","low":"14","cop":"","wind":"北风3级"} ] } ]}
解析：
status：成功时返回 OK weather：天气信息 city_name：城市名 city_id：城市idlast_update：上次更新时间 now：现在天气状况 text：天气状况 code：??? temperature：温度 feels_like：体感温度 wind_direction：风向 wind_speed：风速 wind_scale：风力大小 humidity：空气湿度 visibility：能见度，单位为 km pressure：气压，单位为 hPa air_quality：具体空气质量指数 aqi：空气质量指数 pm25：pm2.5指数 pm10：pm10指数 so2：二氧化硫指数 no2：二氧化氮指数 co：一氧化碳指数 o3：臭氧指数 last_update：上次更新时间 quality：空气质量 today：今日天气状况 sunrise：日出时间 sunset：日落时间 suggestion：建议列表 dressing：穿衣信息 uv：紫外线建议 car_washing：洗车信息 travel：旅游信息 flu：流感信息 sport：运动信息 brief：建议、说明 details：具体信息 future：未来天气状况列表 date：日期 day：周几 text：天气状况 code1：??? code2：??? high：当日最高气温 low：当日最低气温 cop：??? wind：风力信息
24小时天气预报
url：http://tj.nineton.cn/Heart/index/future24h/
拼接参数：
city：城市
language：语言
key：秘钥，固定值 78928e706123c1a8f1766f062bc8676b。可不填。也可省略该参数
或http://tj.nineton.cn/Heart/index/future24h/?city=CHSH000000&language=&key=
或http://tj.nineton.cn/Heart/index/future24h/?city=CHSH000000
json示例
{"status":"OK","hourly": [ {"text":"多云","code":"4","temperature":"16","time":"2017-02-19T13:00:00+08:00"}, {"text":"多云","code":"4","temperature":"18","time":"2017-02-19T14:00:00+08:00"}, {"text":"多云","code":"4","temperature":"17","time":"2017-02-19T15:00:00+08:00"}, {"text":"多云","code":"4","temperature":"16","time":"2017-02-19T16:00:00+08:00"}, {"text":"多云","code":"4","temperature":"16","time":"2017-02-19T17:00:00+08:00"}, {"text":"多云","code":"4","temperature":"16","time":"2017-02-19T18:00:00+08:00"}, {"text":"多云","code":"4","temperature":"15","time":"2017-02-19T19:00:00+08:00"}, {"text":"多云","code":"4","temperature":"15","time":"2017-02-19T20:00:00+08:00"}, {"text":"多云","code":"4","temperature":"15","time":"2017-02-19T21:00:00+08:00"}, {"text":"多云","code":"4","temperature":"14","time":"2017-02-19T22:00:00+08:00"}, {"text":"多云","code":"4","temperature":"14","time":"2017-02-19T23:00:00+08:00"}, {"text":"多云","code":"4","temperature":"14","time":"2017-02-20T00:00:00+08:00"}, {"text":"多云","code":"4","temperature":"15","time":"2017-02-20T01:00:00+08:00"}, {"text":"小雨","code":"13","temperature":"15","time":"2017-02-20T02:00:00+08:00"}, {"text":"小雨","code":"13","temperature":"15","time":"2017-02-20T03:00:00+08:00"}, {"text":"小雨","code":"13","temperature":"15","time":"2017-02-20T04:00:00+08:00"}, {"text":"中雨","code":"14","temperature":"15","time":"2017-02-20T05:00:00+08:00"}, {"text":"中雨","code":"14","temperature":"13","time":"2017-02-20T06:00:00+08:00"}, {"text":"中雨","code":"14","temperature":"10","time":"2017-02-20T07:00:00+08:00"}, {"text":"小雨","code":"13","temperature":"8","time":"2017-02-20T08:00:00+08:00"}, {"text":"小雨","code":"13","temperature":"6","time":"2017-02-20T09:00:00+08:00"}, {"text":"小雨","code":"13","temperature":"5","time":"2017-02-20T10:00:00+08:00"}, {"text":"小雨","code":"13","temperature":"5","time":"2017-02-20T11:00:00+08:00"}, {"text":"小雨","code":"13","temperature":"6","time":"2017-02-20T12:00:00+08:00"} ]}
解析
status：成功时返回OKhourly：具体小时天气信息列表text：天气状况code：请参考[code 细节]temperature：温度time：时间
另 ，code细节
/// 晴casesunny =0/// 晴caseclear =1/// 晴casefair1 =2/// 晴casefair2 =3/// 多云casecloudy =4/// 晴间多云casepartlyCloudy1 =5/// 晴间多云casepartlyCloudy2 =6/// 大部多云casemostlyCloudy1 =7/// 大部多云casemostlyCloudy2 =8/// 阴caseovercast =9/// 阵雨caseshower =10/// 雷阵雨casethundershower =11/// 雷阵雨伴有冰雹casethundershowerWithHail =12/// 小雨caselightRain =13/// 中雨casemoderateRain =14/// 大雨caseheavyRain =15/// 暴雨casestorm =16/// 大暴雨caseheavyStorm =17/// 特大暴雨casesevereStorm =18/// 冻雨caseiceRain =19/// 雨夹雪casesleet =20/// 阵雪casesnowFlurry =21/// 小雪caselightSnow =22/// 中雪casemoderateSnow =23/// 大雪caseheavySnow =24/// 暴雪casesnowstorm =25/// 浮尘casedust =26/// 扬沙casesand =27/// 沙尘暴caseduststorm =28/// 强沙尘暴casesandstorm =29/// 雾casefoggy =30/// 霾casehaze =31/// 风casewindy =32/// 大风caseblustery =33/// 飓风casehurricane =34/// 热带风暴casetropicalStorm =35/// 龙卷风casetornado =36/// 冷casecold =37/// 热casehot =38/// 未知caseunknown =99
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