METARs Downloader 

METARs Downloader accesses METAR weather data for over 7,000 locations worldwide, the data retrieved can be used in several ways, as an overlay for a web cam, uploaded as text or .gif to be included on a page on the Internet, and, or to create charts
weather web cam aviation

VIMeteo 

Real-time weather data from 7000 stations all around the world. History of weather data for the past 1 - 60 hours. USA or European style Frendly user interface
weather aviation sailing meteo data real-time diagramms graphs temperature pressure wind business trip

PC Weather Machine 

PC Weather Machine is an integrated weather- monitoring tool offering more meteorological information than most weather modules. Displays the meteorological conditions, weather maps and sites for the places of your choice
weather weather module weather station weather monitoring weather forecast weather instruments meteorology meteorology climatology wind rain thermometer anemometer barometer