The heat is expected to be felt higher due to the increased humidity.

High ozone levels in certain parts of the Greek capital, health warnings and precaution measures warnings are really evident in Greece at the moment.
This early Heatwave comes from Tunesia and Algeria in hot aerial masses.
Areas most affected by the heatwave are central Macedonia, Sterea and Attica, Euboea, East, and Central Peloponnese, West Crete and the islands.
According to meteorologists, in some ‘heat sensitive’ regions of Greece such as the plains of Central Macedonia, Thessaly, Argos, Kopaida plain in Viotia and Messaras on Crete, the temperature reached more than 40 degrees Celsius.