🇬🇷 Weather in Piraeus
Map Overlays:
Hourly Forecast for Piraeus
09:00
27°
2%
10:00
28°
2%
11:00
29°
2%
12:00
29°
2%
13:00
30°
2%
14:00
30°
7%
15:00
29°
17%
16:00
29°
18%
17:00
28°
17%
18:00
28°
36%
19:00
25°
57%
20:00
23°
21%
21:00
22°
13%
22:00
23°
11%
23:00
24°
9%
00:00
24°
7%
01:00
24°
7%
02:00
24°
7%
03:00
24°
7%
04:00
24°
7%
05:00
24°
7%
06:00
24°
6%
07:00
24°
6%
08:00
25°
5%
14-Day Forecast for Piraeus
2026-07-09
Sunny
30° /
22°
2026-07-10
Sunny
29° /
24°
2026-07-11
Sunny
32° /
25°
2026-07-12
Sunny
33° /
26°
2026-07-13
Sunny
33° /
27°
2026-07-14
Sunny
33° /
26°
2026-07-15
Sunny
34° /
27°
Additional Forecasts for Piraeus
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 208.0 μg/m³
O₃ (Ozone) 29.0 μg/m³
NO₂ (Nitrogen Dioxide) 60.0 μg/m³
SO₂ (Sulphur Dioxide) 14.0 μg/m³
PM2.5 (Fine particles) 11.7 μg/m³
PM10 (Coarse particles) 19.8 μg/m³
Historical Weather
Weather Forecasts for Other Cities in Greece
Weather in Piraeus — FAQ
Answers refreshed each request based on current conditions in Piraeus.
What is the weather like right now in Piraeus?
Right now in Piraeus, Greece the temperature is 26.2°C (feels like 23.8°C), with sunny. Relative humidity is 48% and wind is 12.2 km/h.
What is today's high and low temperature in Piraeus?
Today's forecast high in Piraeus is 29.8°C and the overnight low is 22.5°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in Piraeus today?
The chance of precipitation in Piraeus today is 57%. Forecast accuracy is highest within the next 6 hours and decreases steadily out to 14 days.
How often does the weather here update?
Current observations refresh every 15-60 minutes from the nearest monitoring stations operated by national meteorological agencies. The hourly forecast updates approximately every hour; the 7- and 14-day outlook is recomputed several times per day.
What does 'feels like' temperature mean?
Feels-like (apparent) temperature accounts for humidity, wind chill and direct sunshine — variables that change how the human body perceives heat or cold. On hot, humid days it can be 3-7°C above the actual reading; on cold windy days it can be 5-15°C below.
Why does the temperature in Piraeus differ from nearby cities?
Even short distances can change temperatures noticeably. Piraeus's reading reflects altitude, proximity to large bodies of water, urban heat island effects, and the exact location of the monitoring stations supplying the data. Coastal cities are typically milder and more humid than inland equivalents.