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
06:26
Sunrise
18:15
Sunset
Moon
Waxing Gibbous
17:40
Moonrise
04:53
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 Héliopolis.
Resources
UV Index
Humidity
Current stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Héliopolis.
View stargazing scoreWeather in Héliopolis today, September 25, 2026
Plan for bright conditions in Héliopolis on September 25, 2026, though cloud cover thickens for a spell near 19:00. The day as a whole still leans toward sunshine. The morning looks comparatively open, with cloud near 25% around 11:00. Early outdoor plans have a better chance of staying dry and bright.
The temperature range runs from about 17°C up to 28°C. The air stays humid, with relative humidity between 37% and 86% and the peak around 23:00. Airflow remains manageable, reaching about 3.5 km/h around 16:00.
Afternoon conditions open up, holding cloud close to 40% near 19:00. The day finishes on a milder, brighter note. Views remain open at about 0.0 km. The sun rises at 06:26 and sets at 18:15, for a total of 11 hours 49 minutes of sunlight today.
In short, September 25, 2026 looks like a fine day in Héliopolis for being outside, peaking around 28°C.
Frequently asked questions about weather in Héliopolis
How warm does it get in Héliopolis?
The warmest month in Héliopolis is July, with average high temperatures of 36°C. The average temperature during this period is around 29°C.
How cold does it get in Héliopolis?
The coldest month in Héliopolis is January, with average low temperatures of 5°C. The average temperature during this period is around 10°C.
What is the wettest time of year in Héliopolis?
The wettest month in Héliopolis is May, with an average of 67mm of precipitation.
What is the driest time of year in Héliopolis?
The driest month in Héliopolis is July, with an average of 3mm of precipitation.
