See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
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
Daily Forecast
Today
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Air Quality Data Available
Upgrade to access real-time air quality data for Kallithéa.
Resources
UV Index
Humidity
Current stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Kallithéa.
View stargazing scoreWeather in Kallithéa today, September 25, 2026
Kallithéa stays under cloudy skies on September 25, 2026, with only brief brighter breaks. Plan for a day that feels grey more often than open. The opening hours look fair, as cloud stays near 52% around 09:00. Morning errands should face fewer weather interruptions.
Temperatures climb from an overnight low near 17°C toward a daytime high of about 24°C. The air stays humid, with relative humidity between 36% and 68% and the peak around 07:00. Airflow remains manageable, reaching about 3.5 km/h around 14:00.
Expect persistent cloud later on, with amounts around 100% by 16:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 41.4 km on average, though it can drop toward 34.4 km in thicker cloud or showers. The sun rises at 07:21 and sets at 19:10, for a total of 11 hours 48 minutes of sunlight today.
Overall, Kallithéa 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 Kallithéa
How warm does it get in Kallithéa?
The warmest month in Kallithéa 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 Kallithéa?
The coldest month in Kallithéa 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 Kallithéa?
The wettest month in Kallithéa is December, with an average of 55mm of precipitation.
What is the driest time of year in Kallithéa?
The driest month in Kallithéa is July, with an average of 8mm of precipitation.
Explore more weather forecasts
- Néa Smýrni, Attica
- Athens, Attica
- Moskháton, Attica
- Thessaloníki, Central Macedonia
- Palaió Fáliro, Attica
- Pátra, Western Greece
- Távros, Attica
- Piraeus, Attica
- Dhafní, Attica
- Lárisa, Thessaly
- Agios Dimitrios, Attica
- Peristéri, Attica
- Agios Ioannis Rentis, Attica
- Irákleion, Crete
- Aigáleo, Attica
- Acharnés, Attica
