See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
17°
Clear
Feels Like: 18°
Min: 17°
Max: 24°
The next few hours will be clear, with today reaching 24°C and dropping to 18°C. The coming days will be drizzle
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:21
Sunrise
19:10
Sunset
Moon
Waxing Gibbous
18:34
Moonrise
05:44
Moonset
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View stargazing scoreWeather in Piraeus today, September 25, 2026
Cloud cover dominates in Piraeus on September 25, 2026, keeping sunshine limited. Expect a grey, overcast feel rather than long bright spells. The first half of the day looks overcast, as cloud amounts reach about 99% around 09:00. Brighter weather, if it comes, waits until later.
Expect highs of 24°C and cooler readings close to 17°C. Relative humidity sits between 39% and 74%, reaching its peak around 07:00. Airflow remains manageable, reaching about 3.4 km/h around 18:00.
Through the afternoon cloud remains the main feature, with cover near 100% around 16:00. Bright spells should stay limited even as the day wears on. Horizontal visibility sits around 41.0 km, briefly nearer 35.8 km. The sun rises at 07:21 and sets at 19:10, for a total of 11 hours 48 minutes of sunlight today.
Overall, Piraeus on September 25, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 24°C.
Frequently asked questions about weather in Piraeus
How warm does it get in Piraeus?
The warmest month in Piraeus is July, with average high temperatures of 34°C. The average temperature during this period is around 29°C.
How cold does it get in Piraeus?
The coldest month in Piraeus is January, with average low temperatures of 6°C. The average temperature during this period is around 10°C.
What is the wettest time of year in Piraeus?
The wettest month in Piraeus is December, with an average of 55mm of precipitation.
What is the driest time of year in Piraeus?
The driest month in Piraeus is July, with an average of 8mm of precipitation.
