Ant Veal's UK Weather Centre: Links including satellite pictures, rainfall radar, forecast charts, webcams and text forecasts for sailors, pilots, walkers, gardeners and students.
Get Weather: Includes a breakdown by regions as well as national and international sites.
The Very Useful UK Weather Page: Links to sites providing national and regional charts and forecasts for outdoor pursuits.
UK Weatherworld: Directory and forum with links to forecasts for various periods, current conditions by region, storm warnings and reports. Discussions and articles about longer-term trends. Some features require free registration.