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
19:22
Sunset
Moon
Waxing Gibbous
18:55
Moonrise
05:52
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 Grobbendonk.
UV Index
Humidity
Current stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Grobbendonk.
View stargazing scoreWeather in Grobbendonk today, September 25, 2026
Expect a mostly clear day in Grobbendonk on September 25, 2026, with sunshine dominating from morning through evening. Cloud should stay limited, so the overall feel remains bright and settled. The morning sky stays heavily clouded, with cover near 100% around 06:00. Grey conditions set the early tone before any later change.
The day peaks near 23°C and cools toward 8°C. Relative humidity sits between 46% and 91%, reaching its peak around 06:00. Airflow remains manageable, reaching about 2.3 km/h around 14:00.
Through the afternoon skies look more workable, with cloud near 18% around 12:00. Later outdoor plans have a clearer window than the morning may have suggested. Visibility holds near 37.0 km, though it can fall to 23.0 km. Sunrise is at 07:40 and sunset at 19:22, giving 11 hours 41 minutes of sunlight today.
In short, September 25, 2026 looks like a fine day in Grobbendonk for being outside, peaking around 23°C.
Frequently asked questions about weather in Grobbendonk
How warm does it get in Grobbendonk?
The warmest month in Grobbendonk is August, with average high temperatures of 24°C. The average temperature during this period is around 19°C.
How cold does it get in Grobbendonk?
The coldest month in Grobbendonk 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 Grobbendonk?
The wettest month in Grobbendonk is January, with an average of 82mm of precipitation.
What is the driest time of year in Grobbendonk?
The driest month in Grobbendonk is April, with an average of 52mm of precipitation.
Explore more weather forecasts
- Nijlen, Flanders
- Brussels, Bruxelles-Capitale
- Zandhoven, Flanders
- Antwerpen, Flanders
- Herentals, Flanders
- Gent, Flanders
- Lille, Flanders
- Charleroi, Wallonia
- Berlaar, Flanders
- Liège, Wallonia
- Ranst, Flanders
- Schaerbeek, Bruxelles-Capitale
- Schilde, Flanders
- Brugge, Flanders
- Lier, Flanders
- Namur, Wallonia