Home › Walloon Brabant › Genappe
Weather in Genappe
Walloon Brabant, 107 m · continuously updated
Gosselies (17 km) · 9 °C · KMI/IRM 14:00
- Wind
- –
- Humidity
- –
- Rain ahead
- –
- Sunset
- –
Temperature · last 4 and next 28 hours
Genappe weather: the next 24 hours
Updated hourly.
Genappe 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 Genappe
Neighbouring towns, as the crow flies.
Official weather warnings
No active warning for Walloon Brabant.
Updated 15 Nov 13:48.
Is there an active weather warning for Genappe?
No active warning for Walloon Brabant.
Latest RMI observation near Genappe
Measured at Gosselies, 17 km from Genappe: situation as of 15 November 2026, 14:00. Gosselies 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 | 9.0 °C |
| Wind | 22 km/h S |
| Gusts | 43 km/h |
| Rain, last hour | — |
| Humidity | — |
| Pressure | 1004 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 Genappe
The weather station nearest to Genappe, Uccle located 104 m above sea level, is 22 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 Genappe
- 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 (3.8 mm, up to 97 % chance). Have some shelter or a plan B ready. How it is calculated
- Best time to air the house: tomorrow, between 11:00 and 14:00. The outdoor dew point drops to 3.7 °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: 32.5 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 Genappe
Today (Sunday 15 Nov) in Genappe: light rain, 1 to 10 °C, precipitation 5.7 mm (97 %), wind up to 25 km/h. Tomorrow: light rain, 2 to 9 °C.
| Day | Weather | Min | Max | Precip. | Wind |
|---|---|---|---|---|---|
| Today | light rain | 1 °C | 10 °C | 5.7 mm | 25 km/h |
| Tomorrow | light rain | 2 °C | 9 °C | 4.4 mm | 35 km/h |
| Tue 17 Nov | rain | 4 °C | 14 °C | 27.6 mm | 35 km/h |
| Wed 18 Nov | light drizzle | 8 °C | 11 °C | 1.9 mm | 28 km/h |
| Thu 19 Nov | showers | 8 °C | 10 °C | 14.7 mm | 25 km/h |
| Fri 20 Nov | showers | 2 °C | 9 °C | 15.3 mm | 22 km/h |
| Sat 21 Nov | overcast | 0 °C | 8 °C | 0.0 mm | 11 km/h |
Tomorrow's weather in Genappe
Tomorrow, Monday 16 Nov, in Genappe: light rain, from 2 to 9 °C, 4.4 mm of precipitation (probability 71 %), wind up to 35 km/h.
| Hour | Weather | Temp. | Precip. | Chance | Wind |
|---|---|---|---|---|---|
| 00:00 |  light drizzle | 9 °C | 0.1 mm | 63 % | 16 km/h |
| 03:00 | light drizzle | 9 °C | 0.1 mm | 68 % | 26 km/h |
| 06:00 | drizzle | 8 °C | 0.6 mm | 57 % | 28 km/h |
| 09:00 | light drizzle | 7 °C | 0.1 mm | 39 % | 22 km/h |
| 12:00 |  partly cloudy | 7 °C | 0.0 mm | 31 % | 24 km/h |
| 15:00 | partly cloudy | 7 °C | 0.0 mm | 18 % | 18 km/h |
| 18:00 |  overcast | 3 °C | 0.0 mm | 13 % | 9 km/h |
| 21:00 | overcast | 3 °C | 0.0 mm | 31 % | 8 km/h |
Frequently asked questions
Will it rain tomorrow in Genappe?
Yes: 4.4 mm expected, probability 71 %.
How warm will it be tomorrow in Genappe?
Between 2 and 9 °C.
The weekend
Today, Sunday, in Genappe: light rain, 1 to 10 °C. Next weekend: Saturday overcast, 0 to 8 °C, Sunday drizzle, 4 to 9 °C.
| Day | Weather | Min | Max | Precip. | Wind |
|---|---|---|---|---|---|
| Today |  light rain | 1 °C | 10 °C | 5.7 mm | 25 km/h |
| Sat 21 Nov | overcast | 0 °C | 8 °C | 0.0 mm | 11 km/h |
| Sun 22 Nov | drizzle | 4 °C | 9 °C | 6.6 mm | 27 km/h |
Hour by hour
The next 48 hours in Genappe, hour by hour: temperature from 2 to 14 °C, 32.5 mm of rain expected.
| Hour | Weather | Temp. | Precip. | Chance | Wind |
|---|---|---|---|---|---|
| 14:00 | overcast | 8 °C | 0.0 mm | 11 % | 25 km/h |
| 15:00 | overcast | 9 °C | 0.0 mm | 28 % | 24 km/h |
| 16:00 | drizzle | 9 °C | 0.5 mm | 45 % | 23 km/h |
| 17:00 | heavy drizzle | 9 °C | 1.1 mm | 64 % | 22 km/h |
| 18:00 | heavy drizzle | 10 °C | 1.2 mm | 84 % | 23 km/h |
| 19:00 | light rain | 10 °C | 1.6 mm | 96 % | 24 km/h |
| 20:00 | heavy drizzle | 10 °C | 1.0 mm | 97 % | 22 km/h |
| 21:00 | overcast | 10 °C | 0.0 mm | 90 % | 21 km/h |
| 22:00 | overcast | 10 °C | 0.0 mm | 82 % | 19 km/h |
| 23:00 | light drizzle | 9 °C | 0.1 mm | 73 % | 13 km/h |
| 00:00 | light drizzle | 9 °C | 0.1 mm | 63 % | 16 km/h |
| 01:00 | light drizzle | 9 °C | 0.1 mm | 57 % | 21 km/h |
| 02:00 | light drizzle | 9 °C | 0.2 mm | 60 % | 21 km/h |
| 03:00 | light drizzle | 9 °C | 0.1 mm | 68 % | 26 km/h |
| 04:00 | light rain | 9 °C | 1.7 mm | 71 % | 35 km/h |
| 05:00 | light drizzle | 9 °C | 0.3 mm | 66 % | 33 km/h |
| 06:00 | drizzle | 8 °C | 0.6 mm | 57 % | 28 km/h |
| 07:00 | light drizzle | 8 °C | 0.3 mm | 49 % | 24 km/h |
| 08:00 | overcast | 7 °C | 0.0 mm | 43 % | 27 km/h |
| 09:00 | light drizzle | 7 °C | 0.1 mm | 39 % | 22 km/h |
| 10:00 | light drizzle | 7 °C | 0.1 mm | 35 % | 25 km/h |
| 11:00 | partly cloudy | 7 °C | 0.0 mm | 33 % | 22 km/h |
| 12:00 | partly cloudy | 7 °C | 0.0 mm | 31 % | 24 km/h |
| 13:00 |  mostly sunny | 7 °C | 0.0 mm | 29 % | 22 km/h |
| 14:00 | sunny | 7 °C | 0.0 mm | 24 % | 23 km/h |
| 15:00 | partly cloudy | 7 °C | 0.0 mm | 18 % | 18 km/h |
| 16:00 | sunny | 6 °C | 0.0 mm | 14 % | 17 km/h |
| 17:00 | overcast | 4 °C | 0.0 mm | 13 % | 12 km/h |
| 18:00 | overcast | 3 °C | 0.0 mm | 13 % | 9 km/h |
| 19:00 | overcast | 2 °C | 0.0 mm | 16 % | 7 km/h |
| 20:00 | overcast | 2 °C | 0.0 mm | 23 % | 7 km/h |
| 21:00 | overcast | 3 °C | 0.0 mm | 31 % | 8 km/h |
| 22:00 | light drizzle | 3 °C | 0.1 mm | 39 % | 7 km/h |
| 23:00 | drizzle | 4 °C | 0.7 mm | 44 % | 6 km/h |
| 00:00 | drizzle | 4 °C | 0.9 mm | 47 % | 8 km/h |
| 01:00 | light rain | 4 °C | 2.2 mm | 51 % | 11 km/h |
| 02:00 | rain | 4 °C | 3.2 mm | 56 % | 14 km/h |
| 03:00 | drizzle | 5 °C | 0.8 mm | 61 % | 17 km/h |
| 04:00 | light drizzle | 5 °C | 0.3 mm | 67 % | 16 km/h |
| 05:00 | heavy drizzle | 5 °C | 1.0 mm | 73 % | 17 km/h |
| 06:00 | light rain | 6 °C | 2.4 mm | 79 % | 15 km/h |
| 07:00 | light rain | 6 °C | 2.1 mm | 84 % | 10 km/h |
| 08:00 | rain | 6 °C | 5.6 mm | 89 % | 4 km/h |
| 09:00 | light rain | 12 °C | 1.7 mm | 93 % | 26 km/h |
| 10:00 | heavy drizzle | 13 °C | 1.0 mm | 96 % | 26 km/h |
| 11:00 | drizzle | 13 °C | 0.9 mm | 97 % | 29 km/h |
| 12:00 | overcast | 14 °C | 0.0 mm | 97 % | 30 km/h |
| 13:00 | drizzle | 13 °C | 0.5 mm | 96 % | 27 km/h |
Location of Genappe
Genappe lies at 107 m, 13 m above the average of the 26 places we cover in the province of Walloon Brabant (94 m). That makes it the 8th highest of the 26. The main town, Wavre, lies 16 km to the north-east. The nearest places we cover are Villers-la-Ville (7 km to the south-east), Court-Saint-Étienne (8 km to the east), Nivelles (9 km to the west) and Les Bons Villers (9 km to the south). With about 15,427 inhabitants according to GeoNames, Genappe is the 7th largest of the 26 places we cover in the province of Walloon Brabant. Of the places of interest on this site, the nearest are Villers Abbey (sight, 7 km to the south-east) and Sonian Forest (natural site, 20 km to the north).
Today is close to the November normal (9.9 °C).
Climate of Genappe: 1991–2020 normals
In Genappe, July is typically the warmest month (up to 23.5 °C on average), while January is the coldest at 1.3 °C. December sees the most rain, with around 94 mm.
By season (average highs, 1991–2020 normals): winter 6.6 °C and 244 mm of rain, spring 14.9 °C and 177 mm, summer 22.7 °C and 248 mm, autumn 14.9 °C and 219 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 | 6.1 | 1.3 | 80 | 14 |
| February | 7.3 | 1.3 | 70 | 12 |
| March | 11.2 | 3.4 | 62 | 12 |
| April | 15.1 | 5.9 | 52 | 12 |
| May | 18.5 | 9.3 | 63 | 12 |
| June | 21.3 | 12.3 | 74 | 13 |
| July | 23.5 | 14.4 | 82 | 13 |
| August | 23.2 | 14.0 | 92 | 14 |
| September | 19.7 | 11.0 | 70 | 12 |
| October | 15.0 | 8.0 | 74 | 13 |
| November | 9.9 | 4.4 | 75 | 13 |
| December | 6.5 | 1.9 | 94 | 15 |
Compared with Wavre, the main town 16 km to the north-east, highs in the warmest month are 0.3 °C lower here, and the year brings 28 mm more precipitation. 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: Villers-la-Ville (7 km to the south-east): almost identical normals; Court-Saint-Étienne (8 km to the east): summers 0.3 °C warmer and 2 mm drier a year; Nivelles (9 km to the west): almost identical normals. Among the 26 places we cover in the province of Walloon Brabant whose normals come from the ERA5 reanalysis, Genappe ranks 17th for summer warmth and 2nd for annual precipitation. The warmest summers are in Grez-Doiceau and the coolest in Ramillies; the wettest year is in Walhain and the driest in Rebecq.
What is the warmest month in Genappe?
The warmest month in Genappe is typically July, averaging 23.5 °C (1991–2020 normal). The coldest is January, at 1.3 °C.
How many rainy days does Genappe get per year?
Genappe sees about 155 rainy days a year, adding up to roughly 888 mm of rainfall (1991–2020 normals).
How big is the gap between summer and winter in Genappe?
Between July and January, the temperature gap in Genappe runs to about 22.2 °C, based on the 1991–2020 normals.