中国国家气象局天气预报接口总共提供了三个：
http://www.weather.com.cn/data/sk/101010100.html
http://www.weather.com.cn/data/cityinfo/101010100.html
http://m.weather.com.cn/data/101010100.html
最详细的信息来自第三个接口。上面url中的101010100是城市代码，这里是北京的城市代码。只需要改变城市代码，就可以得到所在城市的天气信息。
{
weatherinfo:{
city:福州,
city_en:fuzhou,
date_y:2012年5月14日,
date:,
week:星期一,
fchh:08,
cityid:101230101,
temp1:29℃~23℃,temp2:26℃~20℃,temp3:24℃~20℃,temp4:25℃~20℃,temp5:24℃~21℃,temp6:25℃~22℃,
tempf1:84.2℉~73.4℉,tempf2:78.8℉~68℉,tempf3:75.2℉~68℉,tempf4:77℉~68℉,tempf5:75.2℉~69.8℉,tempf6:77℉~71.6℉,
weather1:阵雨转中雨,weather2:中雨转小雨,weather3:小雨,weather4:小雨,weather5:小雨转阵雨,weather6:阵雨转小雨,
img1:3,img2:8,img3:8,img4:7,img5:7,img6:99,img7:7,img8:99,img9:7,img10:3,img11:3,img12:7,img_single:3,
img_title1:阵雨,img_title2:中雨,img_title3:中雨,img_title4:小雨,img_title5:小雨,img_title6:小雨,img_title7:小雨,img_title8:小雨,img_title9:小雨,img_title10:阵雨,img_title11:阵雨,img_title12:小雨,img_title_single:阵雨,
wind1:微风,wind2:微风,wind3:微风,wind4:微风,wind5:微风,wind6:微风,fx1:微风,fx2:微风,
fl1:小于3级,fl2:小于3级,fl3:小于3级,fl4:小于3级,fl5:小于3级,fl6:小于3级,
index:热,
index_d:天气较热，建议着短裙、短裤、短套装、t恤等夏季服装。年老体弱者宜着长袖衬衫和单裤。,
index48:暖,index48_d:较凉爽，建议着长袖衬衫加单裤等春秋过渡装。年老体弱者宜着针织长袖衬衫、马甲和长裤。,
index_uv:弱,index48_uv:最弱,
index_xc:不宜,
index_tr:适宜,、
index_co:较不舒适,
st1:27,st2:21,st3:24,st4:18,st5:22,st6:18,
index_cl:较不宜,
index_ls:不太适宜,
index_ag:不易发
}
}
附录中国城市代码：
直辖市
北京,上海,天津,重庆
101010100,101020100,101030100,101040100
特别行政区
香港,澳门
101320101,101330101
黑龙江
哈尔滨,齐齐哈尔,牡丹江,大庆,伊春,双鸭山,鹤岗,鸡西,佳木斯,七台河,黑河,绥化,大兴安岭
101050101,101050201,101050301,101050901,101050801,101051301,101051201,101051101,101050401,101051002,101050601,101050501,101050701
吉林
长春,延吉,吉林,白山,白城,四平,松原,辽源,大安,通化
101060101,101060301,101060201,101060901,101060601,101060401,101060801,101060701,101060603,101060501
辽宁
沈阳,大连,葫芦岛,盘锦,本溪,抚顺,铁岭,辽阳,营口,阜新,朝阳,锦州,丹东,鞍山
101070101,101070201,101071401,101071301,101070501,101070401,101071101,101071001,101070801,101070901,101071201,101070701,101070601,101070301
内蒙古
呼和浩特,呼伦贝尔,锡林浩特,包头,赤峰,海拉尔,乌海,鄂尔多斯,通辽
101080101,101081001,101080901,101080201,101080601,101081001,101080301,101080701,101080501
河北
石家庄,唐山,张家口,廊坊,邢台,邯郸,沧州,衡水,承德,保定,秦皇岛
101090101,101090501,101090301,101090601,101090901,101091001,101090701,101090801,101090402,101090201,101091101
河南
郑州,开封,洛阳,平顶山,焦作,鹤壁,新乡,安阳,濮阳,许昌,漯河,三门峡,南阳,商丘,信阳,周口,驻马店
101180101,101180801,101180901,101180501,101181101,101181201,101180301,101180201,101181301,101180401,101181501,101181701,101180701,101181001,101180601,101181401,101181601
山东
济南,青岛,淄博,威海,曲阜,临沂,烟台,枣庄,聊城,济宁,菏泽,泰安,日照,东营,德州,滨州,莱芜,潍坊
101120101,101120201,101120301,101121301,101120710,101120901,101120501,101121401,101121701,101120701,101121001,101120801,101121501,101121201,101120401,101121101,101121601,101120601
山西
太原,阳泉,晋城,晋中,临汾,运城,长治,朔州,忻州,大同,吕梁
101100101,101100301,101100601,101100401,101100701,101100801,101100501,101100901,101101001,101100201,101101101
江苏
南京,苏州,昆山,南通,太仓,吴县,徐州,宜兴,镇江,淮安,常熟,盐城,泰州,无锡,连云港,扬州,常州,宿迁
101190101,101190401,101190404,101190501,101190408,101190406,101190801,101190203,101190301,101190901,101190402,101190701,101191201,101190201,101191001,101190601,101191101,101191301
安徽
合肥,巢湖,蚌埠,安庆,六安,滁州,马鞍山,阜阳,宣城,铜陵,淮北,芜湖,毫州,宿州,淮南,池州
101220101,101221601,101220201,101220601,101221501,101221101,101220501,101220801,101221401,101221301,101221201,101220301,101220901,101220701,101220401,101221701
陕西
西安,韩城,安康,汉中,宝鸡,咸阳,榆林,渭南,商洛,铜川,延安
101110101,101110510,101110701,101110801,101110901,101110200,101110401,101110501,101110601,101111001,101110300
宁夏
银川,固原,中卫,石嘴山,吴忠
101170101,101170401,101170501,101170201,101170301
甘肃
兰州,白银,庆阳,酒泉,天水,武威,张掖,甘南,临夏,平凉,定西,金昌
101160101,101161301,101160401,101160801,101160901,101160501,101160701,101050204,101161101,101160301,101160201,101160601
青海
西宁,海北,海西,黄南,果洛,玉树,海东,海南
101150101,101150801,101150701,101150301,101150501,101150601,101150201,101150401
湖北
武汉,宜昌,黄冈,恩施,荆州,神农架,十堰,咸宁,襄阳,孝感,随州,黄石,荆门,鄂州
101200101,101200901,101200501,101201001,101200801,101201201,101201101,101200701,101200201,101200401,101201301,101200601,101201401,101200301
湖南
长沙,邵阳,常德,郴州,吉首,株洲,娄底,湘潭,益阳,永州,岳阳,衡阳,怀化,韶山,张家界
101250101,101250901,101250601,101250501,101251501,101250301,101250801,101250201,101250701,101251401,101251001,101250401,101251201,101250202,101251101
浙江
杭州,湖州,金华,宁波,丽水,绍兴,衢州,嘉兴,台州,舟山,温州
101210101,101210201,101210901,101210401,101210801,101210501,101211001,101210301,101210601,101211101,101210701
江西
南昌,萍乡,九江,上饶,抚州,吉安,鹰潭,宜春,新余,景德镇,赣州
101240101,101240901,101240201,101240301,101240401,101240601,101241101,101240501,101241001,101240801,101240701
福建
福州,厦门,龙岩,南平,宁德,莆田,泉州,三明,漳州
101230101,101230201,101230701,101230901,101230301,101230401,101230501,101230801,101230601
贵州
贵阳,安顺,赤水,遵义,铜仁,六盘水,毕节,凯里,都匀
101260101,101260301,101260208,101260201,101260601,101260801,101260701,101260501,101260401
四川
成都,泸州,内江,凉山,阿坝,巴中,广元,乐山,绵阳,德阳,攀枝花,雅安,宜宾,自贡,甘孜州,达州,资阳,广安,遂宁,眉山,南充
101270101,101271001,101271201,101271601,101271901,101270901,101272101,101271401,101270401,101272001,101270201,101271701,101271101,101270301,101271801,101270601,101271301,101270801,101270701,101271501,101270501
广东
广州,深圳,潮州,韶关,湛江,惠州,清远,东莞,江门,茂名,肇庆,汕尾,河源,揭阳,梅州,中山,德庆,阳江,云浮,珠海,汕头,佛山
101280101,101280601,101281501,101280201,101281001,101280301,101281301,101281601,101281101,101282001,101280901,101282101,101281201,101281901,101280401,101281701,101280905,101281801,101281401,101280701,101280501,101280800
广西
南宁,桂林,阳朔,柳州,梧州,玉林,桂平,贺州,钦州,贵港,防城港,百色,北海,河池,来宾,崇左
101300101,101300501,101300510,101300301,101300601,101300901,101300802,101300701,101301101,101300801,101301401,101301001,101301301,101301201,101300401,101300201
云南
昆明,保山,楚雄,德宏,红河,临沧,怒江,曲靖,思茅,文山,玉溪,昭通,丽江,大理
101290101,101290501,101290801,101291501,101290301,101291101,101291201,101290401,101290901,101290601,101290701,101291001,101291401,101290201
海南
海口,三亚,儋州,琼山,通什,文昌
101310101,101310201,101310205,101310102,101310222,101310212
新疆
乌鲁木齐,阿勒泰,阿克苏,昌吉,哈密,和田,喀什,克拉玛依,石河子,塔城,库尔勒,吐鲁番,伊宁
101130101,101131401,101130801,101130401,101131201,101131301,101130901,101130201,101130301,101131101,101130601,101130501,101131001
西藏
拉萨,阿里,昌都,那曲,日喀则,山南,林芝
101140101,101140701,101140501,101140601,101140201,101140301,101140401
台湾
台北,高雄
101340102,101340201
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