Yahoo! Weather API

Yahoo! Weather RSS Feed:

Yahoo is providing a free weather RSS feed API.

For using that API first you need the WOEID of the location.

There are two ways for finding WOEID of the location.

use the Yahoo! GeoPlanet service to resolve a place to a WOEID 

http://where.yahooapis.com/v1/places.q('New Delhi')?appid=[yourappidhere]

Or use the YQL service to access GeoPlanet via it's table

http://query.yahooapis.com/v1/public/yql?q=select%20*%20from%20geo.places%20where%20text%3D"new%20delhi%20india"&format=xml

After getting WOEID you are ready for weather api

Request: http://weather.yahooapis.com/forecastrss?w=WOEID

Response: response will be a RSS feed.

For more details visit this page.

Yahoo weather RSS feed API.