Scorching conditions are expected across Greece today, 21 August, according to the detailed forecast issued by the Hellenic National Meteorological Service (EMY). Temperatures will climb as high as 37°C in several regions, while winds in the Aegean Sea will gust up to 6 on the Beaufort scale.
Sunny Skies with Localized Showers
Overall, the weather will be mostly clear nationwide. However, brief cloud increases are expected during midday and afternoon hours over mountainous areas of western mainland Greece—including western Macedonia, Epirus, western Sterea, and western Peloponnese—where isolated showers or thunderstorms may occur.
Regional Breakdown
Macedonia & Thrace
The region will enjoy generally clear skies, though increased cloud cover is possible over the mountainous parts of western Macedonia in the afternoon, bringing a chance of localized rain or thunderstorms. Winds will be variable at 3–4 Beaufort, shifting to northeasterly in eastern areas, occasionally reaching 5 Beaufort. Temperatures will range from 20°C to 36°C, rising locally to 37–38°C in central Macedonia.
Ionian Islands, Epirus, Western Sterea & Western Peloponnese
Clear conditions will dominate, with brief cloud development over mountains in the afternoon—potentially triggering isolated rain or thunderstorms. Winds will start northerly at 3–4 Beaufort, shifting to westerly or northwesterly from noon, strengthening to 4–5 Beaufort locally. Temperatures will range from 21°C to 34°C, reaching 36–37°C in inland areas.
Thessaly, Eastern Sterea, Evia & Eastern Peloponnese
Skies will remain mostly clear, with only transient clouds over Thessaly’s mountainous zones during midday and afternoon. Winds will be variable at 3–4 Beaufort, turning northerly in eastern areas at 4–5 Beaufort—and up to 6 Beaufort locally. Temperatures will climb from 20°C to 37°C, peaking at 38°C in some locations.
Cyclades & Crete
Clear skies will prevail throughout. Northerly winds of 4–5 Beaufort are expected—reaching 6 Beaufort locally in the Cyclades. In Crete, winds will shift to westerly in the afternoon, blowing at 3–5 Beaufort. Temperatures will range from 22°C to 30°C in the Cyclades, and from 33°C to 34°C in Crete.
Eastern Aegean Islands & Dodecanese
Conditions will remain predominantly sunny. Northerly winds of 4–5 Beaufort—up to 6 Beaufort locally—are forecast. Temperatures will range from 22°C to 36°C, reaching 37°C in southern areas.
Attica
Clear skies will dominate across Attica. Northerly winds will blow at 3–4 Beaufort, strengthening to 5 Beaufort in eastern sectors. Temperatures will range from 22°C to 36°C, with local peaks of 37°C.
Thessaloniki
Thessaloniki will see mostly clear skies. Winds will be light and variable at 2–3 Beaufort, shifting briefly to southerly at 3–4 Beaufort during midday and afternoon. Temperatures will range from 22°C to 35°C, reaching 36°C in some spots.