Greece is set to experience cloudy weather with rain and sporadic thunderstorms in various regions including the Ionian Sea, Peloponnese, and eastern Macedonia. Temperatures will range from 6 to 19 degrees Celsius depending on the region. Strong winds are expected in both the Aegean and Ionian Seas. The forecast includes further rainfall on Saturday and Sunday, with snow in the northern mountainous areas. Weather conditions will vary significantly, leading to cooler temperatures across many parts of the country.