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
07:40
Sunrise
19:23
Sunset
Moon
Waxing Gibbous
18:55
Moonrise
05:53
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 Grez-Doiceau.
UV Index
Humidity
Current stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Grez-Doiceau.
View stargazing scoreWeather in Grez-Doiceau today, September 25, 2026
Grez-Doiceau starts September 25, 2026 under largely sunny skies, with bright spells setting the tone from the outset. Outdoor plans should enjoy long stretches of open sky as the day unfolds. Cloud leads the morning, peaking close to 100% near 06:00. Sunshine has little room until later in the day.
The day peaks near 25°C and cools toward 9°C. The air stays humid, with relative humidity between 39% and 86% and the peak around 06:00. Winds stay light, near 2.7 km/h by 11:00, so the day feels still more than breezy.
Afternoon conditions open up, holding cloud close to 49% near 12:00. The day finishes on a milder, brighter note. Horizontal visibility sits around 38.3 km, briefly nearer 25.0 km. Expect sunrise at 07:40, sunset at 19:23, and 11 hours 42 minutes of sunlight today overall.
The practical takeaway for Grez-Doiceau is a bright September 25, 2026, ideal for outdoor errands before temperatures ease from about 25°C.
Frequently asked questions about weather in Grez-Doiceau
How warm does it get in Grez-Doiceau?
The warmest month in Grez-Doiceau is August, with average high temperatures of 23°C. The average temperature during this period is around 19°C.
How cold does it get in Grez-Doiceau?
The coldest month in Grez-Doiceau is January, with average low temperatures of 2°C. The average temperature during this period is around 4°C.
What is the wettest time of year in Grez-Doiceau?
The wettest month in Grez-Doiceau is January, with an average of 86mm of precipitation.
What is the driest time of year in Grez-Doiceau?
The driest month in Grez-Doiceau is April, with an average of 52mm of precipitation.
Explore more weather forecasts
- Chaumont-Gistoux, Wallonia
- Brussels, Bruxelles-Capitale
- Wavre, Wallonia
- Antwerpen, Flanders
- Louvain-la-Neuve, Wallonia
- Gent, Flanders
- Jodoigne, Wallonia
- Charleroi, Wallonia
- Rixensart, Wallonia
- Liège, Wallonia
- Basse Lasne, Wallonia
- Schaerbeek, Bruxelles-Capitale
- Gembloux, Wallonia
- Brugge, Flanders
- Waterloo, Wallonia
- Namur, Wallonia