Weather & Currency Services

Why don't you try these owesome services.

Weather

http://openweathermap.org/api

This service is amzazing for any of your wheather related application. You can get details of weather for the exact location (latitude & longitude) or city or by city code (if you know. its not zip)

Don't forget to get your app id for services for better service.

Currency

 http://download.finance.yahoo.com/d/quotes.csv?s=GBPEUR=X&f=sl1d1t1ba&e=.csv

Just put your first and second currency's code to the parametere and you have the currency exchange rates free from Yahoo.
I tried to change the format but unfortunately no documentation is available and you will always receive in csv format.