On the Marshall School Network Bridge is a trading system with real time access to foreign exchange rate data. Current issues are in the periodical section. Wall Street Journal has daily exchange rates. Current 3 months at Circ-desk. The World Bank, IMF and development banks prepare reports and collect information on interest rates, exchange rates and other economic data.
Web Site contains select central banks.
These are good sources of economic and financial statistics. NYU Center for the Study of Central Banks is a joint project of the NYU School of Law and Stern School of Business. It has links to central banks on the web and research on central banks and banking.