The weather will be mostly clear with scattered clouds, which at midday and in the afternoon over the mainland will temporarily thicken, bringing a few localized showers over mountainous areas.

Locally limited visibility is expected in western parts during the morning hours.

Winds:

• West: westerly to northwesterly, 3–4 Beaufort.
• East: variable, 3–4 Beaufort.
• Aegean: northerly, 4–5 Beaufort, locally 6 in the eastern Aegean.

Temperatures:

• Mainland: 31–33°C.
• Islands: 28–30°C.
• Dodecanese & southern Crete: 32–33°C.

Regional Forecasts

Macedonia, Thrace

• Weather: Scattered clouds, denser in the afternoon, with local showers over the mountains of Macedonia.
• Winds: Variable, 3–4 Beaufort.
• Temp: 17–33°C (3–4°C lower in western Macedonia).

Ionian Islands, Epirus, Western Sterea, Western Peloponnese

• Weather: Scattered clouds, denser in the afternoon over the mainland, with local showers in mountainous areas.
• Winds: West-northwesterly, 3–4 Beaufort.
• Temp: 18–33°C (2–3°C lower inland in Epirus).

Thessaly, Eastern Sterea, Evia, Eastern Peloponnese

• Weather: Scattered clouds, denser in the afternoon over the mainland, with a chance of showers in mountainous areas.
• Winds: Variable, 3–4 Beaufort; locally north-northeasterly up to 5 in east and south.
• Temp: 17–33°C (up to 28°C in the Sporades).

Cyclades, Crete

• Weather: Generally clear.
• Winds: North to northwest, 4–5 Beaufort; locally 6 in the east.
• Temp: 21–29°C; up to 32°C in southern Crete.

Eastern Aegean Islands, Dodecanese

• Weather: Scattered clouds, at times denser.
• Winds: Northerly, 4–5 Beaufort; locally 6.
• Temp: 22–32°C (2–3°C lower in the north).

Attica

• Weather: Generally clear.
• Winds: North-northeasterly, 3–5 Beaufort; from midday variable, 3–4 Beaufort.
• Temp: 21–33°C (2–3°C lower in north/east).

Thessaloniki

• Weather: Scattered clouds, denser in the afternoon with possible local showers over surrounding mountains.
• Winds: Variable, 2–4 Beaufort; temporarily southerly in the afternoon.
• Temp: 18–30°C.

Outlook

Wednesday, 10 September 2025
Generally clear, with temporarily denser clouds in central and northern mainland (especially mountainous areas) with isolated showers. Locally reduced visibility in the west in the morning. Winds light and variable west, northerly 4–5 Beaufort east, locally 6 in the Aegean. Slight rise in temperature (31–33°C inland, up to 35°C in eastern mainland, 29–32°C islands, 27–29°C Cyclades).

Thursday, 11 September 2025
Mostly clear. Clouds will develop gradually from the west, bringing showers and possibly isolated storms in northern Ionian and mainland (mainly mountains) by afternoon. Morning fog in west. Winds variable/light west, later west-northwest 3–5 Beaufort; north 3–5 east, 6 in Aegean. Temperatures unchanged.

Friday, 12 September 2025
Initially cloudy north, gradually spreading to rest of mainland. Local showers or storms, especially in western/central Macedonia. Conditions improve elsewhere by evening. Winds west-northwest 3–4 Beaufort west (up to 5 Ionian), north 4–5 east, 6–7 Aegean. Slight drop in temperatures in northeast.

Saturday, 13 September 2025
Western/central Macedonia: clouds with local showers, clearing from late afternoon. Elsewhere: few clouds, increasing midday–afternoon with local showers/storms mainly in mountains. Morning fog in west. Winds west-northwest 3–4 Beaufort west (locally 5 Ionian), north 4–5 east, 6 Aegean. Slight further drop in temperatures north.