Here is a list of website I want to recommend. I hope that you will enjoy the selection!
Find out the latest weather forecast before you get dressed for a night out !!
http://news.bbc.co.uk/weather/
Check out how the London tube is running to be on time when going out ;-)
http://www.tfl.gov.uk/
If you receive payments in USD, check out the latest exchange rate
http://uk.finance.yahoo.com/