About.com -- Weather - The starting place for exploring weather including weather forecasts, and climate conditions, breaking weather news and headlines, and topical and informational articles.
Science of the Sky - The art and science of weather and atmospheric phenomena.
Weather and Related Phenomena - Conditions, forecasts, warnings, radar and satellite images for land and sea on web sites around the world.
Weather Resources - Numerous links to weather information from refdesk.com.
Weatherbase - Monthly weather records, averages, historical weather and climatology for 16,434 cities worldwide.