Greece weather conditions Extended Greece Forecast = Scorching Hot Next Ten Days 5 years ago The Greece forecast according to NOA will be unseasonably hot, and the service warns that temperatures on Thursday could reach… Greece Expecting Warmest January in the Last 50 Years 5 years ago According to Greece's National Observatory of Athens the country will experience the highest January temperatures of the last 50 years. New Cold Front Sweeps Through Greece Thursday 6 years ago The National Observatory in Athens is warning of severe weather for much of Greece beginning today with high winds offshore. August Heat Advisory in Effect for Much of Greece 7 years ago According to the National Meteorological Service (HNMS) temperatures in Greece will climb to 40 degrees today.