Most parts of Greece will enjoy mostly sunny skies with scattered clouds today (25 June 2026), according to the National Observatory of Athens (EMY). However, rain and isolated thunderstorms are expected in Thessaly and the Ionian Islands.
Regional Forecast
Aegean Sea
The Aegean will face strong northerly to northwesterly winds reaching up to 7 on the Beaufort scale. Temperatures will climb to 34°C in some areas.
Thessaly
Increased cloud cover is forecast, with local showers and isolated thunderstorms — particularly over mountainous terrain.
Mainland & Ionian Islands
Elsewhere, conditions will remain generally clear, though brief cloud development is expected during midday and afternoon hours — especially across inland and western regions, as well as the Ionian. Local showers or downbursts may occur, mainly over elevated areas, along with isolated thunderstorms.
Visibility
Visibility will be locally reduced in western and northern areas during early morning hours.
Winds
North to northwesterly winds of 3–5 Beaufort are expected nationwide; they’ll strengthen to 6–7 Beaufort across the Aegean, especially in the eastern part of the sea.
Temperatures
Temperatures will remain largely stable, ranging from 31°C to 33°C in most areas — reaching up to 34°C locally.
Major Cities
Attica
Generally clear, with increasing clouds during midday and afternoon. Brief showers or downbursts are possible, mainly over western areas. Winds will blow from northern directions at 3–4 Beaufort, locally up to 5 near the east coast. Temperatures will range from 23°C to 33°C.
Thessaloniki
Partly cloudy, with temporary cloud buildup during the afternoon — bringing localized downbursts and possibly isolated thunderstorms over nearby mountains. Winds will shift from northwesterly (4 Beaufort) to variable (3–4 Beaufort). Temperatures will range from 21°C to 32°C.
Other Regions
Macedonia & Thrace
Mostly clear, with brief cloud increases in the afternoon — leading to isolated showers or downbursts, especially over mountains, where isolated thunderstorms may also develop. Winds: northerly, 3–4 Beaufort. Temperatures: 18°C to 33°C — up to 2–3°C cooler in western Macedonia.
Ionian Islands, Epirus, Western Sterea & Western Peloponnese
Generally clear, with temporary cloud development in the afternoon. Local showers or downbursts are possible — especially over mountains — alongside isolated thunderstorms. Winds: northwesterly, 3–4 Beaufort. Temperatures: 20°C to 31°C — up to 3–4°C cooler in inland Epirus.
Thessaly, Eastern Sterea, Evia & Eastern Peloponnese
In Thessaly: increased cloudiness with local rain and isolated thunderstorms. Elsewhere in this zone: scattered clouds in the afternoon, with local showers or downbursts — primarily over mountains — and isolated thunderstorms. Winds: northerly, 3–5 Beaufort. Temperatures: 20°C to 33°C.
Cyclades & Crete
Clear skies throughout. Winds: northerly to northwesterly, 5–6 Beaufort. Temperatures: 22°C to 28°C or 29°C — reaching up to 31°C locally in Crete.
Eastern Aegean Islands & Dodecanese
Clear skies. Winds: northerly to northwesterly, 5–6 Beaufort. Temperatures: 22°C to 29°C.