Weather: Bad weather in two waves with heavy rain and storms – Which areas are affected

The upwind this week volition travel an autumnal pattern, with two waves of atrocious weather affecting the state from today until Thursday. Meteorologists are informing of heavy rainfalls, section thunderstorms, and imaginable hail, chiefly successful western, southern, and land regions of Greece.

According to forecasts, the archetypal wave volition impact the state today and tomorrow, portion the second, shorter successful duration but with aggravated phenomena, volition get connected Wednesday, October 22 and Thursday, October 23.

In a post, meteorologist Thodoris Kolydas refers to precise beneficial rainfalls, which today volition impact the confederate Ionian Sea, the Peloponnese, and the confederate Aegean. A gradual (but temporary) improvement is expected from Tuesday afternoon, portion on Wednesday and Thursday the second wave volition arrive, affecting the west, the south, and the eastbound Aegean islands (“reverse P weather” – referring to a upwind pattern). Weather volition amended from Friday, particularly over the weekend (a little “little summer” astir the feast of Saint Demetrios), though the forecast for October 28 is still uncertain.

Tsatrafyllias: “It starts with rainfall and storms, and ends with sunshine and temperatures of 28°C!”

🎯ΠΟΤΙΣΤΙΚΕΣ ΒΡΟΧΕΣ- "Η ΕΥΛΟΓΙΑ ΤΟΥ ΘΕΟΥ"
✅ Πολύ καλές ποτιστικές βροχές σήμερα σε όλα τα κεντρικά και νότια . Οι καταιγίδες από το απόγευμα θα πλησιάσουν στο νότιο Ιόνιο και την Πελοπόννησο και αύριο θα επηρεάσουν και το νότιο Αιγαίο . Σταδιακή βελτίωση -αλλά πρόσκαιρη – από… pic.twitter.com/N2Y0TyNboK

— Theodoros Kolydas (@KolydasT) October 19, 2025

Meteorologist Giorgos Tsatrafyllias, successful his ain post, breaks down the daily forecast for rainfall crossed the country:

• Monday–Tuesday: Peloponnese, Crete, Cyclades, and Dodecanese volition spot astir of the rainfall. Scattered showers oregon cloudiness expected successful different areas. Temperatures volition rise.
• Wednesday–Thursday: Rain and scattered storms successful the west, south, and eastbound Aegean. (“Reverse P” upwind signifier again.) Temperatures volition emergence further.

Friday–Saturday–Sunday–Monday: Sunshine successful astir areas. Temperatures volition scope precocious levels (above 28°C).

On October 28, Greece’s nationalist holiday, the forecast is presently unreliable.

Warnings and Guidelines

The National Meteorological Service (EMY) has already issued a yellow warning for Central Greece and Evia, wherever locally dense rainfall is expected.
Citizens are advised to:

• Avoid unnecessary travel successful areas with aggravated weather,
• Secure escaped objects that could beryllium blown distant by the wind,
• Be especially cautious erstwhile driving, owed to slippery roads and reduced visibility.

What to Expect for the Rest of the Week

From Friday onward, the bad upwind volition subside, and temperatures volition rise, chiefly successful southern and land regions. The weekend is expected to bring mostly improved weather, with sunny intervals and mild temperatures.

However, the week volition spot two aggravated periods of rainfall and storms, requiring special caution, particularly for residents and drivers successful occidental and confederate Greece.

Most Significant Rainfall successful the Peloponnese connected Sunday

The Peloponnese and the confederate Ionian saw the highest rainfall levels connected Sunday, October 19, up until 6:20 PM.
A rainfall representation (not shown here) displays the distribution of accumulated precipitation up to that time, based connected information from the automatic upwind presumption web of meteo.gr / National Observatory of Athens, and besides lists the top 8 stations with the highest rainfall levels.

The highest rainfall successful the country was recorded successful Kato Vlasia, Achaia, measuring 44.8 mm.

Today’s Weather

Cloudy skies are expected crossed the country, with rain chiefly successful cardinal and confederate regions, and thunderstorms successful the Peloponnese, the Cyclades, and from the day successful the confederate Ionian and occidental Central Greece.

Temperatures volition range:

• Western Macedonia: 4 to 16°C
• Rest of Macedonia & Thrace: 9 to 19°C
• Thessaly: 12 to 19°C
• Epirus: 9 to 21°C
• Central Greece: 12 to 20°C
• Peloponnese: 14 to 21°C
• Ionian Islands: 14 to 22°C
• Northern Aegean: 12 to 20°C
• Rest of the Aegean: 16 to 21°C
• Crete and the Dodecanese: 16 to 25–26°C

Winds volition stroke from northeast directions astatine 3 to 5 Beaufort.

• In Attica, cloudy upwind with rainfall is expected. Winds from the northeast astatine 2 to 4 Beaufort. Temperature: 14 to 19°C.
• In Thessaloniki, cloudy with a fewer showers. Winds variable, up to 4 Beaufort. Temperature: 12 to 19°C.

Weather for Tuesday, October 21

In the southern mainland, and the southern and eastbound Aegean, clouds with rainfall and scattered thunderstorms are expected. However, upwind volition gradually improve successful astir areas, with rain continuing lone successful the eastbound Aegean.

In the rest of the country, determination volition beryllium scattered clouds, astatine times denser, with a chance of section showers successful mainland areas and overnight successful the Ionian.

• Winds:
• West: Variable astatine 3 to 4 Beaufort
• East: Northeasterly astatine the aforesaid strength
• Temperatures volition stay mostly stable, reaching 19 to 21°C successful astir regions, and 24 to 25°C locally successful the Dodecanese and Crete.

Weather for Wednesday, October 22

In the west, increased cloudiness with rain that volition intensify from midday, bringing scattered thunderstorms, particularly implicit the Ionian Sea.

In the rest of the country, scattered clouds gradually thickening, with localized rain successful mainland regions. There volition beryllium favorable conditions for the transport of African dust successful the eastbound parts of the country.

• Winds: From the south astatine 3 to 5 Beaufort
• Temperatures: Will rise slightly, chiefly successful central and bluish Greece.

Weather for Thursday, October 23

In the west, Crete, the Cyclades, and the eastbound Aegean, clouds with rainfall and isolated thunderstorms, weakening successful the west from midday.

In the rest of the country, unstable weather with partly to mostly cloudy skies and light, section showers.

• Winds: From the south astatine 3 to 5 Beaufort
• Temperatures: No important change.

Weather for Friday, October 24

Partly cloudy, locally much dense, with a chance of isolated showers successful the eastbound Aegean. Visibility volition beryllium locally limited during greeting hours.

• Winds:
• From the south astatine 3 to 4 Beaufort,
• In the Aegean, up to 5 oregon locally 6 Beaufort
• Temperatures: Will rise slightly.