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.
Nifada.com - Providing weather information for Greece; includes Athens webcam plus snow and dust forecasts for the country.
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 Underground - Greece - Displays current conditions for all major cities on one page, with five-day forecast and more detailed information for each available.