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Weather in Roosdaal
Flemish Brabant, 41 m · continuously updated
Uccle (20 km) · 9 °C · KMI/IRM 14:00
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Temperature · last 4 and next 28 hours
Roosdaal weather: the next 24 hours
Updated hourly.
Roosdaal 15-day forecast
Two-week trend.
Sun and golden hours
Sunrise –, golden light until –
Sunset –, golden light from –
–
Air quality
European index, modelled by Copernicus (CAMS).
UV index
Daily maximum — protection advised from 3.
Freezing level
Snow settles about 300 m below it.
Around Roosdaal
Neighbouring towns, as the crow flies.
Official weather warnings
No active warning for Flemish Brabant.
Updated 15 Nov 13:48.
Is there an active weather warning for Roosdaal?
No active warning for Flemish Brabant.
Latest RMI observation near Roosdaal
Measured at Uccle, 20 km from Roosdaal: situation as of 15 November 2026, 14:00. Uccle is the nearest weather station of the RMI/KMI (Royal Meteorological Institute of Belgium), one of the country's 28 synoptic stations. These are measured values, not a forecast; this page is refreshed three times a day, hence the time shown.
| Situation as of | 15 November 2026, 14:00 |
|---|---|
| Temperature | 9.3 °C |
| Wind | 18 km/h S |
| Gusts | 36 km/h |
| Rain, last hour | 0.0 mm |
| Humidity | 86 % |
| Pressure | 1003 hPa |
Observations from the 28 RMI stations
Source: RMI/KMI (Royal Meteorological Institute of Belgium), open observation data, Creative Commons Attribution 4.0 (CC BY 4.0) licence. The RMI is not liable for any damage resulting from the use of these data. Raw, unvalidated data shown as published, with wind converted from m/s to km/h. Data: opendata.meteo.be · CC BY 4.0
The observed climate near Roosdaal
The weather station nearest to Roosdaal, Uccle located 104 m above sea level, is 19 km away; its records cover 1795–2025. In November, the mean temperature there is 7.3 °C over 1991–2020, 1.0 °C more than over 1961–1990 (6.3 °C), with about – mm of rain. The warmest month ever measured is July 2006 (23.5 °C), the coldest February 1956 (−6.2 °C). See the full series of Uccle
Today in Roosdaal
- No washing outside today: rain, or a risk of rain, covers the hours when it could dry. How it is calculated
- Terrace and barbecue between 18:00 and 23:00: rain likely (1 mm, up to 88 % chance). Have some shelter or a plan B ready. How it is calculated
- Best time to air the house: tomorrow, around 13:00. The outdoor dew point drops to 3.5 °C; once warmed to 20 °C, that air holds only 34 % humidity, against 50 % in a typical home: opening the windows dries the house. How it is calculated
- Garden: 22.6 mm of rain expected within 48 h, against a need of 1 mm. No need to water, the rain will do it. How it is calculated
Calculated from Open-Meteo forecasts of 2026-11-15 14:48 (local time): model values, not measurements. All of today's advice
7-day forecast for Roosdaal
Today (Sunday 15 Nov) in Roosdaal: heavy drizzle, 1 to 10 °C, precipitation 3.1 mm (88 %), wind up to 25 km/h. Tomorrow: rain, 3 to 9 °C.
| Day | Weather | Min | Max | Precip. | Wind |
|---|---|---|---|---|---|
| Today | heavy drizzle | 1 °C | 10 °C | 3.1 mm | 25 km/h |
| Tomorrow | rain | 3 °C | 9 °C | 4.4 mm | 29 km/h |
| Tue 17 Nov | rain | 4 °C | 13 °C | 19.7 mm | 36 km/h |
| Wed 18 Nov | light drizzle | 8 °C | 12 °C | 1.4 mm | 24 km/h |
| Thu 19 Nov | showers | 8 °C | 10 °C | 11.6 mm | 22 km/h |
| Fri 20 Nov | showers | 2 °C | 8 °C | 9.7 mm | 15 km/h |
| Sat 21 Nov | overcast | 1 °C | 9 °C | 0.0 mm | 12 km/h |
Tomorrow's weather in Roosdaal
Tomorrow, Monday 16 Nov, in Roosdaal: rain, from 3 to 9 °C, 4.4 mm of precipitation (probability 55 %), wind up to 29 km/h.
| Hour | Weather | Temp. | Precip. | Chance | Wind |
|---|---|---|---|---|---|
| 00:00 |  light drizzle | 9 °C | 0.1 mm | 53 % | 14 km/h |
| 03:00 | light drizzle | 9 °C | 0.1 mm | 52 % | 23 km/h |
| 06:00 | light drizzle | 8 °C | 0.1 mm | 44 % | 21 km/h |
| 09:00 |  overcast | 7 °C | 0.0 mm | 28 % | 21 km/h |
| 12:00 |  mostly sunny | 7 °C | 0.0 mm | 17 % | 24 km/h |
| 15:00 | overcast | 7 °C | 0.0 mm | 7 % | 18 km/h |
| 18:00 | overcast | 3 °C | 0.0 mm | 15 % | 14 km/h |
| 21:00 | overcast | 3 °C | 0.0 mm | 28 % | 8 km/h |
Frequently asked questions
Will it rain tomorrow in Roosdaal?
Yes: 4.4 mm expected, probability 55 %.
How warm will it be tomorrow in Roosdaal?
Between 3 and 9 °C.
The weekend
Today, Sunday, in Roosdaal: heavy drizzle, 1 to 10 °C. Next weekend: Saturday overcast, 1 to 9 °C, Sunday drizzle, 5 to 9 °C.
| Day | Weather | Min | Max | Precip. | Wind |
|---|---|---|---|---|---|
| Today | heavy drizzle | 1 °C | 10 °C | 3.1 mm | 25 km/h |
| Sat 21 Nov | overcast | 1 °C | 9 °C | 0.0 mm | 12 km/h |
| Sun 22 Nov | drizzle | 5 °C | 9 °C | 6.6 mm | 23 km/h |
Hour by hour
The next 48 hours in Roosdaal, hour by hour: temperature from 3 to 13 °C, 22.6 mm of rain expected.
| Hour | Weather | Temp. | Precip. | Chance | Wind |
|---|---|---|---|---|---|
| 14:00 | overcast | 8 °C | 0.0 mm | 19 % | 24 km/h |
| 15:00 | overcast | 9 °C | 0.0 mm | 43 % | 25 km/h |
| 16:00 | heavy drizzle | 9 °C | 1.0 mm | 63 % | 20 km/h |
| 17:00 | drizzle | 9 °C | 0.9 mm | 75 % | 23 km/h |
| 18:00 | drizzle | 10 °C | 0.9 mm | 84 % | 20 km/h |
| 19:00 | light drizzle | 10 °C | 0.1 mm | 88 % | 21 km/h |
| 20:00 | overcast | 10 °C | 0.0 mm | 87 % | 20 km/h |
| 21:00 | overcast | 10 °C | 0.0 mm | 82 % | 20 km/h |
| 22:00 | overcast | 10 °C | 0.0 mm | 75 % | 19 km/h |
| 23:00 | overcast | 9 °C | 0.0 mm | 65 % | 16 km/h |
| 00:00 | light drizzle | 9 °C | 0.1 mm | 53 % | 14 km/h |
| 01:00 | light drizzle | 9 °C | 0.1 mm | 45 % | 19 km/h |
| 02:00 | light drizzle | 9 °C | 0.1 mm | 46 % | 18 km/h |
| 03:00 | light drizzle | 9 °C | 0.1 mm | 52 % | 23 km/h |
| 04:00 |  rain | 9 °C | 2.8 mm | 55 % | 28 km/h |
| 05:00 | light drizzle | 9 °C | 0.3 mm | 51 % | 29 km/h |
| 06:00 | light drizzle | 8 °C | 0.1 mm | 44 % | 21 km/h |
| 07:00 | light drizzle | 8 °C | 0.3 mm | 37 % | 23 km/h |
| 08:00 | light drizzle | 7 °C | 0.2 mm | 32 % | 25 km/h |
| 09:00 | overcast | 7 °C | 0.0 mm | 28 % | 21 km/h |
| 10:00 | overcast | 7 °C | 0.0 mm | 24 % | 21 km/h |
| 11:00 | overcast | 7 °C | 0.0 mm | 20 % | 20 km/h |
| 12:00 | mostly sunny | 7 °C | 0.0 mm | 17 % | 24 km/h |
| 13:00 | sunny | 7 °C | 0.0 mm | 14 % | 22 km/h |
| 14:00 | sunny | 7 °C | 0.0 mm | 10 % | 21 km/h |
| 15:00 | overcast | 7 °C | 0.0 mm | 7 % | 18 km/h |
| 16:00 | sunny | 6 °C | 0.0 mm | 6 % | 16 km/h |
| 17:00 | overcast | 5 °C | 0.0 mm | 9 % | 13 km/h |
| 18:00 | overcast | 3 °C | 0.0 mm | 15 % | 14 km/h |
| 19:00 | overcast | 3 °C | 0.0 mm | 20 % | 10 km/h |
| 20:00 | overcast | 3 °C | 0.0 mm | 24 % | 8 km/h |
| 21:00 | overcast | 3 °C | 0.0 mm | 28 % | 8 km/h |
| 22:00 | overcast | 3 °C | 0.0 mm | 33 % | 7 km/h |
| 23:00 | light drizzle | 3 °C | 0.3 mm | 38 % | 9 km/h |
| 00:00 | heavy drizzle | 4 °C | 1.2 mm | 43 % | 10 km/h |
| 01:00 | light rain | 4 °C | 1.9 mm | 49 % | 12 km/h |
| 02:00 | rain | 4 °C | 2.5 mm | 55 % | 16 km/h |
| 03:00 | heavy drizzle | 5 °C | 1.2 mm | 62 % | 22 km/h |
| 04:00 | light drizzle | 5 °C | 0.4 mm | 69 % | 19 km/h |
| 05:00 | heavy drizzle | 5 °C | 1.1 mm | 76 % | 24 km/h |
| 06:00 | light rain | 5 °C | 2.4 mm | 83 % | 21 km/h |
| 07:00 | drizzle | 6 °C | 0.8 mm | 88 % | 18 km/h |
| 08:00 | heavy drizzle | 6 °C | 1.1 mm | 90 % | 12 km/h |
| 09:00 | light drizzle | 6 °C | 0.1 mm | 90 % | 5 km/h |
| 10:00 | light drizzle | 8 °C | 0.1 mm | 90 % | 9 km/h |
| 11:00 | light drizzle | 12 °C | 0.1 mm | 90 % | 20 km/h |
| 12:00 | light drizzle | 13 °C | 0.3 mm | 89 % | 23 km/h |
| 13:00 | light rain | 13 °C | 2.1 mm | 88 % | 26 km/h |
Location of Roosdaal
Roosdaal lies at 41 m, close to the average of the 63 places we cover in the province of Flemish Brabant (41 m). That makes it the 29th highest of the 63. The main town, Leuven, lies 44 km to the east. The nearest places we cover are Liedekerke (4 km to the north), Ninove (6 km to the west), Denderleeuw (6 km to the north) and Ternat (6 km to the north-east). With about 11,631 inhabitants according to GeoNames, Roosdaal is the 40th largest of the 62 places we cover in the province of Flemish Brabant. Of the places of interest on this site, the nearest are Atomium (sight, 19 km to the east) and Sonian Forest (natural site, 24 km to the east).
Today is close to the November normal (10.2 °C).
Climate of Roosdaal: 1991–2020 normals
In Roosdaal, July is typically the warmest month (up to 23.7 °C on average), while February is the coldest at 1.6 °C. December sees the most rain, with around 89 mm.
By season (average highs, 1991–2020 normals): winter 7.0 °C and 231 mm of rain, spring 15.2 °C and 166 mm, summer 22.9 °C and 236 mm, autumn 15.2 °C and 213 mm. The wettest season is summer (28 % of the annual total), the driest spring (20 %).
| Max T (°C) | Min T (°C) | Rainfall (mm) | Rainy days | |
|---|---|---|---|---|
| January | 6.5 | 1.7 | 77 | 14 |
| February | 7.6 | 1.6 | 66 | 12 |
| March | 11.4 | 3.7 | 58 | 12 |
| April | 15.3 | 6.2 | 48 | 12 |
| May | 18.8 | 9.6 | 61 | 12 |
| June | 21.5 | 12.6 | 70 | 11 |
| July | 23.7 | 14.6 | 78 | 13 |
| August | 23.4 | 14.2 | 89 | 13 |
| September | 20.0 | 11.4 | 67 | 12 |
| October | 15.3 | 8.3 | 72 | 12 |
| November | 10.2 | 4.7 | 75 | 13 |
| December | 6.8 | 2.2 | 89 | 14 |
Its normals are almost identical to those of Leuven, the main town 44 km to the east. In no month does the average low fall below 0 °C; in 3 months the average high exceeds 20 °C (June, July and August).
Nearby places with normals of their own (from another station or reanalysis grid cell) compare as follows: Liedekerke (4 km to the north): equally warm summers and 10 mm drier a year; Ninove (6 km to the west): summers 0.2 °C warmer and 1 mm drier a year; Ternat (6 km to the north-east): equally warm summers and 12 mm drier a year. Among the 63 places we cover in the province of Flemish Brabant whose normals come from the ERA5 reanalysis, Roosdaal ranks 32nd for summer warmth and 20th for annual precipitation. The warmest summers are in Rotselaar, Haacht and Boortmeerbeek and the coolest in Landen; the wettest year is in Hoegaarden and the driest in Geetbets.
What is the warmest month in Roosdaal?
The warmest month in Roosdaal is typically July, averaging 23.7 °C (1991–2020 normal). The coldest is February, at 1.6 °C.
How many rainy days does Roosdaal get per year?
Roosdaal sees about 149 rainy days a year, adding up to roughly 848 mm of rainfall (1991–2020 normals).
How big is the gap between summer and winter in Roosdaal?
Between July and February, the temperature gap in Roosdaal runs to about 22.1 °C, based on the 1991–2020 normals.