The weather forecast for Christmas in Greece predicts rain and sporadic thunderstorms in coastal regions of Thrace, Eastern Macedonia, Eastern Thessaly, Central Greece, and the Peloponnese, along with snowfall in mountainous areas. Daily forecasts for Thursday and Friday indicate continued precipitation, with temperatures ranging from -2 to 15 degrees Celsius in various regions. Winds are expected to strengthen, especially in the Aegean Sea, reaching up to 9 beaufort locally.