Global Satellite Temperature Trends
This is updated every day and you can instantly compare current temperatures with previous years. Once you are in the site, click on "Show Global Average Temperature at 14,000 ft".
Watt's Up With That?
A great weather website from meteorologist Anthony Watts. He debates and debunks global warming, updates sun spot forecasts, plots badly placed NOAA weather surface stations and posts information on many other weather related subjects.
Science and Environmental Policy Project
The Week That Was
Surface Temperature Records: Policy Driven Deception?
by Joseph D'Aleo and Anthony Watts