Home › Walloon Brabant › Walhain
Weather in Walhain
Walloon Brabant, 156 m · continuously updated
Ernage (4 km) · 8 °C · KMI/IRM 13:00
- Wind
- –
- Humidity
- –
- Rain ahead
- –
- Sunset
- –
Temperature · last 4 and next 28 hours
Walhain weather: the next 24 hours
Updated hourly.
Walhain 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 Walhain
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 Walhain?
No active warning for Walloon Brabant.
Latest RMI observation near Walhain
Measured at Ernage, 4 km from Walhain: situation as of 15 November 2026, 13:00. Ernage 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, 13:00 |
|---|---|
| Temperature | 8.3 °C |
| Wind | 19 km/h S |
| Gusts | 47 km/h |
| Rain, last hour | 0.0 mm |
| Humidity | 83 % |
| Pressure | 1005 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 Walhain
The weather station nearest to Walhain, Beauvechain located 127 m above sea level, is 23 km away; its records cover 1954–2013. In November, the mean temperature there is 6.8 °C over 1991–2020, 1.1 °C more than over 1961–1990 (5.7 °C), with about – mm of rain. The warmest month ever measured is July 2006 (22.3 °C), the coldest February 1956 (−7.2 °C). See the full series of Beauvechain
Today in Walhain
- 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 (3.4 mm, up to 99 % 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: 32.8 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 Walhain
Today (Sunday 15 Nov) in Walhain: light rain, 2 to 10 °C, precipitation 4.4 mm (99 %), wind up to 25 km/h. Tomorrow: rain, 2 to 9 °C.
| Day | Weather | Min | Max | Precip. | Wind |
|---|---|---|---|---|---|
| Today | light rain | 2 °C | 10 °C | 4.4 mm | 25 km/h |
| Tomorrow | rain | 2 °C | 9 °C | 6.8 mm | 35 km/h |
| Tue 17 Nov | rain | 4 °C | 14 °C | 25.5 mm | 36 km/h |
| Wed 18 Nov | light drizzle | 8 °C | 11 °C | 1.6 mm | 29 km/h |
| Thu 19 Nov | showers | 8 °C | 10 °C | 14.9 mm | 25 km/h |
| Fri 20 Nov | showers | 2 °C | 9 °C | 15.7 mm | 21 km/h |
| Sat 21 Nov | overcast | 0 °C | 9 °C | 0.0 mm | 13 km/h |
Tomorrow's weather in Walhain
Tomorrow, Monday 16 Nov, in Walhain: rain, from 2 to 9 °C, 6.8 mm of precipitation (probability 67 %), wind up to 35 km/h.
| Hour | Weather | Temp. | Precip. | Chance | Wind |
|---|---|---|---|---|---|
| 00:00 |  rain | 8 °C | 2.5 mm | 66 % | 13 km/h |
| 03:00 |  light drizzle | 8 °C | 0.1 mm | 65 % | 24 km/h |
| 06:00 | drizzle | 8 °C | 0.9 mm | 58 % | 30 km/h |
| 09:00 | light drizzle | 7 °C | 0.1 mm | 43 % | 26 km/h |
| 12:00 |  overcast | 7 °C | 0.0 mm | 33 % | 24 km/h |
| 15:00 |  partly cloudy | 6 °C | 0.0 mm | 17 % | 20 km/h |
| 18:00 | overcast | 2 °C | 0.0 mm | 11 % | 10 km/h |
| 21:00 | overcast | 3 °C | 0.0 mm | 31 % | 9 km/h |
Frequently asked questions
Will it rain tomorrow in Walhain?
Yes: 6.8 mm expected, probability 67 %.
How warm will it be tomorrow in Walhain?
Between 2 and 9 °C.
The weekend
Today, Sunday, in Walhain: light rain, 2 to 10 °C. Next weekend: Saturday overcast, 0 to 9 °C, Sunday drizzle, 4 to 9 °C.
| Day | Weather | Min | Max | Precip. | Wind |
|---|---|---|---|---|---|
| Today | light rain | 2 °C | 10 °C | 4.4 mm | 25 km/h |
| Sat 21 Nov | overcast | 0 °C | 9 °C | 0.0 mm | 13 km/h |
| Sun 22 Nov | drizzle | 4 °C | 9 °C | 6.2 mm | 27 km/h |
Hour by hour
The next 48 hours in Walhain, hour by hour: temperature from 2 to 14 °C, 32.8 mm of rain expected.
| Hour | Weather | Temp. | Precip. | Chance | Wind |
|---|---|---|---|---|---|
| 14:00 | overcast | 8 °C | 0.0 mm | 6 % | 23 km/h |
| 15:00 | overcast | 8 °C | 0.0 mm | 17 % | 25 km/h |
| 16:00 | light drizzle | 9 °C | 0.2 mm | 31 % | 23 km/h |
| 17:00 | drizzle | 9 °C | 0.6 mm | 53 % | 20 km/h |
| 18:00 | light rain | 9 °C | 1.5 mm | 79 % | 18 km/h |
| 19:00 | heavy drizzle | 10 °C | 1.0 mm | 96 % | 23 km/h |
| 20:00 | drizzle | 10 °C | 0.9 mm | 99 % | 20 km/h |
| 21:00 | overcast | 10 °C | 0.0 mm | 93 % | 17 km/h |
| 22:00 | overcast | 9 °C | 0.0 mm | 86 % | 17 km/h |
| 23:00 | overcast | 9 °C | 0.0 mm | 77 % | 14 km/h |
| 00:00 | rain | 8 °C | 2.5 mm | 66 % | 13 km/h |
| 01:00 | overcast | 9 °C | 0.0 mm | 59 % | 16 km/h |
| 02:00 | light drizzle | 9 °C | 0.3 mm | 60 % | 22 km/h |
| 03:00 | light drizzle | 8 °C | 0.1 mm | 65 % | 24 km/h |
| 04:00 | heavy drizzle | 8 °C | 1.1 mm | 67 % | 29 km/h |
| 05:00 | light drizzle | 9 °C | 0.4 mm | 64 % | 35 km/h |
| 06:00 | drizzle | 8 °C | 0.9 mm | 58 % | 30 km/h |
| 07:00 | drizzle | 7 °C | 0.5 mm | 53 % | 27 km/h |
| 08:00 | light drizzle | 7 °C | 0.1 mm | 48 % | 28 km/h |
| 09:00 | light drizzle | 7 °C | 0.1 mm | 43 % | 26 km/h |
| 10:00 | light drizzle | 6 °C | 0.1 mm | 39 % | 24 km/h |
| 11:00 |  mostly sunny | 7 °C | 0.0 mm | 36 % | 24 km/h |
| 12:00 | overcast | 7 °C | 0.0 mm | 33 % | 24 km/h |
| 13:00 | partly cloudy | 7 °C | 0.0 mm | 29 % | 22 km/h |
| 14:00 | mostly sunny | 7 °C | 0.0 mm | 23 % | 22 km/h |
| 15:00 | partly cloudy | 6 °C | 0.0 mm | 17 % | 20 km/h |
| 16:00 | overcast | 6 °C | 0.0 mm | 12 % | 16 km/h |
| 17:00 | overcast | 4 °C | 0.0 mm | 10 % | 12 km/h |
| 18:00 | overcast | 2 °C | 0.0 mm | 11 % | 10 km/h |
| 19:00 | partly cloudy | 2 °C | 0.0 mm | 14 % | 10 km/h |
| 20:00 | overcast | 2 °C | 0.0 mm | 21 % | 9 km/h |
| 21:00 | overcast | 3 °C | 0.0 mm | 31 % | 9 km/h |
| 22:00 | overcast | 3 °C | 0.0 mm | 39 % | 8 km/h |
| 23:00 | drizzle | 4 °C | 0.7 mm | 43 % | 9 km/h |
| 00:00 | heavy drizzle | 4 °C | 1.0 mm | 45 % | 8 km/h |
| 01:00 | light rain | 4 °C | 1.9 mm | 49 % | 12 km/h |
| 02:00 | rain | 4 °C | 3.0 mm | 55 % | 16 km/h |
| 03:00 | light rain | 4 °C | 1.3 mm | 62 % | 18 km/h |
| 04:00 | light drizzle | 5 °C | 0.4 mm | 69 % | 18 km/h |
| 05:00 | light drizzle | 5 °C | 0.4 mm | 75 % | 20 km/h |
| 06:00 | rain | 5 °C | 2.6 mm | 81 % | 19 km/h |
| 07:00 | light rain | 6 °C | 1.8 mm | 86 % | 14 km/h |
| 08:00 | rain | 7 °C | 4.3 mm | 89 % | 8 km/h |
| 09:00 | rain | 11 °C | 2.5 mm | 91 % | 22 km/h |
| 10:00 | drizzle | 12 °C | 0.7 mm | 92 % | 26 km/h |
| 11:00 | heavy drizzle | 12 °C | 1.2 mm | 93 % | 24 km/h |
| 12:00 | overcast | 14 °C | 0.0 mm | 94 % | 28 km/h |
| 13:00 | drizzle | 12 °C | 0.7 mm | 94 % | 28 km/h |
Location of Walhain
Walhain lies at 156 m, 62 m above the average of the 26 places we cover in the province of Walloon Brabant (94 m). That makes it the highest of the 26. The main town, Wavre, lies 13 km to the north-west. The nearest places we cover are Chastre (5 km to the west), Gembloux (6 km to the south), Mont-Saint-Guibert (7 km to the west) and Perwez (7 km to the east). With about 7,187 inhabitants according to GeoNames, Walhain is the 22nd 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, 12 km to the west) and Sonian Forest (natural site, 27 km to the north-west).
Today is close to the November normal (9.6 °C).
Climate of Walhain: 1991–2020 normals
In Walhain, July is typically the warmest month (up to 23.2 °C on average), while January is the coldest at 1.0 °C. December sees the most rain, with around 94 mm.
By season (average highs, 1991–2020 normals): winter 6.3 °C and 245 mm of rain, spring 14.6 °C and 178 mm, summer 22.4 °C and 253 mm, autumn 14.6 °C and 220 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 | 5.8 | 1.0 | 80 | 14 |
| February | 6.9 | 1.0 | 70 | 12 |
| March | 10.9 | 3.1 | 63 | 13 |
| April | 14.7 | 5.6 | 52 | 12 |
| May | 18.2 | 9.1 | 63 | 13 |
| June | 21.0 | 12.1 | 75 | 12 |
| July | 23.2 | 14.2 | 84 | 14 |
| August | 23.0 | 13.8 | 94 | 14 |
| September | 19.5 | 10.8 | 71 | 12 |
| October | 14.7 | 7.8 | 74 | 13 |
| November | 9.6 | 4.1 | 75 | 13 |
| December | 6.2 | 1.6 | 94 | 15 |
Compared with Wavre, the main town 13 km to the north-west, highs in the warmest month are 0.6 °C lower here, and the year brings 36 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: Chastre (5 km to the west): summers 0.2 °C warmer and 10 mm drier a year; Perwez (7 km to the east): equally warm summers and 11 mm drier a year; Chaumont-Gistoux (8 km to the north): summers 0.5 °C warmer and 21 mm drier a year. Among the 26 places we cover in the province of Walloon Brabant whose normals come from the ERA5 reanalysis, Walhain ranks 24th for summer warmth and 1st 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 Walhain?
The warmest month in Walhain is typically July, averaging 23.2 °C (1991–2020 normal). The coldest is January, at 1.0 °C.
How many rainy days does Walhain get per year?
Walhain sees about 157 rainy days a year, adding up to roughly 895 mm of rainfall (1991–2020 normals).
How big is the gap between summer and winter in Walhain?
Between July and January, the temperature gap in Walhain runs to about 22.2 °C, based on the 1991–2020 normals.