Athens Weather Report: Online weather report for Athens from the National Technical University of Athens.
BBC Weather Centre - Country Guides: Greece: Provides climate and weather information, facts and statistics about the country, along with five-day forecasts for major cities.
Hellenic National Meteorological Service - HNMS: Includes climate, weather forecasts, and current conditions throughout Greece and the rest of Europe.
Hellenic Snow Report: Daily reports from the ski centers.
Meteognosis S.A.: A Greek company focused on turn-key weather management services, advanced weather technology products and system integration programs.
NOAA NWS - Greece Weather: US government site provides hour-by-hour weather conditions for the past 24 hours for major cities and locations in the country.
Poseidon System: The regional Greek weather forecasting model of the National Center for Marine Research provides a 72 hours forecast for the following parameters: surface wind and direction, surface air temperature, cloudiness, rainfall, dust load, fog coverage, snowfall and atmospheric pressure on mean sea level.
Skiron Forecasting System: Skiron is a weather forecasting model, operated by University of Athens, which gives three days weather forecast in the Mediterranean region.
Weather Forecasts over Greece: Weather forecasts over the Mediterranean and Greece as well as detailed forecasts for major Greek cities.
Weather Underground - Greece: Displays current conditions for all major cities on one page, with five-day forecast and more detailed information for each available.
Weather.com - Greece: City-by-city weather reports and forecasts.
Yahoo! Weather - Greece: Current day weather and 5 day forecasts for several cities and islands.