Light showers and thunderstorms are forecast to occur today, Thursday, during the midday and afternoon hours in the mainland of the country.

In particular, today Thursday (4/9), local showers and thunderstorms are expected mainly in Epirus, Thessaly, central-western Macedonia and in the mountains of Central Greece and Peloponnese. Winds will blow from the north with an intensity of 4 to 6 Beaufort and the temperature in the Ionian Sea and mainland Greece will drop slightly.

According to the new weather forecast issued by the National Weather Service for Thursday, September 4, 2025, significant changes in weather conditions are expected in various regions of the country, especially during the morning hours.

Local showers and sporadic thunderstorms, possibly heavy at times, will mainly affect western and central Macedonia. The intensity of the phenomena will decrease from the afternoon, while in the rest of the continent – especially in Central Greece and the Peloponnese – isolated thunderstorms are not excluded from midday, with gradual improvement in the evening. For the rest of the Greek islands, the weather is expected to be generally clear with occasional, sparse clouds in the northern parts.

Detailed area forecast

Macedonia, Thrace: In western and central Macedonia, dense clouds with local showers and occasional thunderstorms are forecast, which may be intense in the early morning hours. In the afternoon, the phenomena will weaken. In the remaining areas, a few clouds are expected, occasionally increasing. The temperature will range from 15 to 31 degrees Celsius, with 2-3 degrees lower in western Macedonia. Winds will blow north 4-5, in the east locally up to 6 Beaufort.

Ionian Islands, Epirus, Western Sterea, Western Peloponnese. In the rest, a few clouds increasing from midday, with local showers or thunderstorms, mainly in the mountains. The phenomena will subside in the evening. Temperatures from 19 to 32 degrees. North-northwest winds 3-5 and in the Ionian Sea up to 6 Beaufort in the morning.

Thessaly, Eastern Sterea, Evia, Eastern Peloponnese. In the rest of the regions a few clouds with a chance of rain and thunderstorms, mainly in the mountains and in the eastern Peloponnese. Improvement in the evening. Temperatures 18 to 33, in the Sporades up to 30 degrees. North winds 3-6 Beaufort.

Cyclades, Crete: The weather will remain generally clear. North-northwest winds 4-6 Beaufort and temperatures 22 to 30, locally in southern Crete up to 33 degrees Celsius.

East Aegean Islands, Dodecanese. North-northwest winds will reach 4-6 Beaufort, temperatures from 22 to 32 degrees.

Special forecasts for urban centers

Attica: The weather will be generally clear, with a few local clouds in the afternoon and afternoon. North winds at 3-5 and locally in the east up to 6 Beaufort. Temperature from 22 to 32 degrees, with a lower maximum in the east.

Thessaloniki: Patchy clouds with local showers and thunderstorms mainly in the early morning, perhaps heavy. Rapid improvement in the afternoon. North-northwest winds 4-5 and up to 6 Beaufort until noon. Temperature from 16 to 30 degrees.

The following three days: The weather trend

For Friday, September 5, the picture improves significantly, as generally clear weather is expected with some clouds at noon on the mainland and in the Aegean Sea, where local showers in mountainous areas are not excluded. Winds will be from the north, with local winds of up to 6 Beaufort in the Aegean. The temperature will remain at the levels of the previous days, reaching locally 33-34 degrees on the mainland, 31-32 degrees on the Ionian Islands, Crete, and Dodecanese, without exceeding 29-30 degrees on the rest of the islands.

On Saturday, September 6, the weather is forecast to be mainly clear, with occasional clouds in the continental highlands at noon and in the afternoon. Winds will be northerly 3-5 Beaufort, in the Aegean Sea 6, while in the east they may occasionally reach 7 Beaufort. A slight temperature rise is expected in the west and the southeastern islands.

On Sunday, September 7, the sky remains clear, with local clouds in the continental highlands in the midday-afternoon hours and limited visibility in the early morning in the west. Winds remain northerly, 3-5 Beaufort in the west, 4-6 Beaufort in the east, locally 7 Beaufort in the Aegean Sea. The temperature remains stable.

Finally, on Monday, September 8, the weather will remain clear with occasional clouds in the continental highlands at noon, while in the Ionian and the mainland, thin clouds are expected, which will locally become denser. Local limited visibility will again occur in the west in the morning hours. North winds in the west 3-5, in the east 4-6, in the Aegean up to 7 Beaufort with moderate weakening in the evening. The temperature remains without significant change.