An unstable weather pattern is expected for tomorrow, Friday (30.05.25), across most regions of the country, featuring storms, a drop in temperature, and northerly winds. According to the National Meteorological Service (EMY), rain and possible storms will occur in Attica, while instability will persist mainly inland and in Crete. Winds will blow from northern directions at 3 to 5 Beaufort locally reaching up to 6 and in central Aegean areas up to 7 Beaufort by noon. Temperatures will slightly decrease, reaching between 23°C to 25°C in most areas.
In Attica, there will be scattered clouds with occasional increases. During midday and afternoon hours, local showers or downpours are expected, with isolated storms likely in western areas. Winds from northern directions will range from 3 to 5 Beaufort and may reach up to 6 Beaufort in eastern areas after noon. Temperatures will range from 14°C to 25°C.
In Thessaloniki, clouds will increase periodically with some local showers or downpours. North and northwest winds will blow at 3 to 5 Beaufort, occasionally reaching up to 6 Beaufort in the morning. Temperatures will range from 15°C to 25°C.
Macedonia and Thrace will experience increasing clouds with local showers, especially in mountainous areas, along with isolated storms initially in Macedonia and later in Thrace. Weather phenomena in western Macedonia will cease by evening. Winds from northern directions will range from 3 to 5 Beaufort, occasionally reaching up to 6 Beaufort in central Macedonia during the morning. Temperatures will range from 13°C to 25°C.
Ionian Islands, Epirus, western Sterea, and western Peloponnese will see increasing clouds with local showers and sporadic storms in mountainous areas. Weather conditions will improve by evening. Winds from northern directions will range from 3 to 5 Beaufort, with localized gusts up to 6 Beaufort in the Ionian Sea. Temperatures will range from 14°C to 25°C.
Eastern Sterea, Evia, and eastern Peloponnese will have increasing clouds with local showers and isolated storms mainly during midday and afternoon hours. Weather phenomena will weaken by evening. Winds from northern and northeast directions will range from 3 to 5 Beaufort, reaching up to 6 Beaufort in eastern areas. Temperatures will range from 13°C to 25°C.
Cyclades and Crete will experience unstable weather with local showers and sporadic storms, especially in Crete. Winds from northern directions will range from 4 to 5 Beaufort, reaching up to 6 to 7 Beaufort in the Cyclades by noon. Temperatures will range from 15°C to 24°C.
The islands of the Eastern Aegean and Dodecanese will experience unstable weather with local showers and isolated storms, mainly during midday and afternoon hours. Winds in the islands of the Eastern Aegean will blow from north and northeast directions at 4 to 6 Beaufort. In the Dodecanese, winds will be variable at 3 to 4 Beaufort. Temperatures will range from 17°C to 25°C.
Thessaly will have increasing clouds with local showers and isolated storms, mainly during midday and afternoon hours. Winds from northern and northwest directions will range from 3 to 5 Beaufort, reaching up to 5 to 6 Beaufort in the Sporades until noon. Temperatures will range from 14°C to 25°C.