Home › Flemish Brabant › Bertem
Weather in Bertem
Flemish Brabant, 62 m · continuously updated
Zaventem (Melsbroek) (8 km) · 10 °C · KMI/IRM 14:00
- Wind
- –
- Humidity
- –
- Rain ahead
- –
- Sunset
- –
Temperature · last 4 and next 28 hours
Bertem weather: the next 24 hours
Updated hourly.
Bertem 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 Bertem
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 Bertem?
No active warning for Flemish Brabant.
Latest RMI observation near Bertem
Measured at Zaventem (Melsbroek), 8 km from Bertem: situation as of 15 November 2026, 14:00. Zaventem (Melsbroek) 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 | 9.5 °C |
| Wind | 29 km/h S |
| Gusts | 40 km/h |
| Rain, last hour | — |
| Humidity | — |
| 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 Bertem
The weather station nearest to Bertem, Uccle located 104 m above sea level, is 20 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 Bertem
- 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 (2 mm, up to 92 % 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 4.5 °C; once warmed to 20 °C, that air holds only 36 % humidity, against 50 % in a typical home: opening the windows dries the house. How it is calculated
- Garden: 23.4 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 Bertem
Today (Sunday 15 Nov) in Bertem: light rain, 0 to 10 °C, precipitation 3.4 mm (92 %), wind up to 22 km/h. Tomorrow: light rain, 2 to 9 °C.
| Day | Weather | Min | Max | Precip. | Wind |
|---|---|---|---|---|---|
| Today | light rain | 0 °C | 10 °C | 3.4 mm | 22 km/h |
| Tomorrow | light rain | 2 °C | 9 °C | 4.4 mm | 32 km/h |
| Tue 17 Nov | rain | 3 °C | 14 °C | 18.4 mm | 45 km/h |
| Wed 18 Nov | light drizzle | 8 °C | 12 °C | 1.2 mm | 25 km/h |
| Thu 19 Nov | showers | 8 °C | 10 °C | 12.1 mm | 23 km/h |
| Fri 20 Nov | showers | 2 °C | 8 °C | 26.5 mm | 15 km/h |
| Sat 21 Nov | overcast | 1 °C | 10 °C | 0.0 mm | 10 km/h |
Tomorrow's weather in Bertem
Tomorrow, Monday 16 Nov, in Bertem: light rain, from 2 to 9 °C, 4.4 mm of precipitation (probability 63 %), wind up to 32 km/h.
| Hour | Weather | Temp. | Precip. | Chance | Wind |
|---|---|---|---|---|---|
| 00:00 |  overcast | 9 °C | 0.0 mm | 63 % | 14 km/h |
| 03:00 |  light drizzle | 9 °C | 0.2 mm | 51 % | 18 km/h |
| 06:00 | light drizzle | 8 °C | 0.4 mm | 48 % | 27 km/h |
| 09:00 | overcast | 7 °C | 0.0 mm | 36 % | 25 km/h |
| 12:00 | overcast | 7 °C | 0.0 mm | 26 % | 23 km/h |
| 15:00 |  sunny | 6 °C | 0.0 mm | 18 % | 22 km/h |
| 18:00 | overcast | 4 °C | 0.0 mm | 15 % | 15 km/h |
| 21:00 | overcast | 2 °C | 0.0 mm | 25 % | 6 km/h |
Frequently asked questions
Will it rain tomorrow in Bertem?
Yes: 4.4 mm expected, probability 63 %.
How warm will it be tomorrow in Bertem?
Between 2 and 9 °C.
The weekend
Today, Sunday, in Bertem: light rain, 0 to 10 °C. Next weekend: Saturday overcast, 1 to 10 °C, Sunday heavy drizzle, 4 to 9 °C.
| Day | Weather | Min | Max | Precip. | Wind |
|---|---|---|---|---|---|
| Today |  light rain | 0 °C | 10 °C | 3.4 mm | 22 km/h |
| Sat 21 Nov | overcast | 1 °C | 10 °C | 0.0 mm | 10 km/h |
| Sun 22 Nov | heavy drizzle | 4 °C | 9 °C | 7.4 mm | 21 km/h |
Hour by hour
The next 48 hours in Bertem, hour by hour: temperature from 2 to 14 °C, 23.4 mm of rain expected.
| Hour | Weather | Temp. | Precip. | Chance | Wind |
|---|---|---|---|---|---|
| 14:00 | overcast | 8 °C | 0.0 mm | 16 % | 19 km/h |
| 15:00 | overcast | 9 °C | 0.0 mm | 30 % | 22 km/h |
| 16:00 | light drizzle | 9 °C | 0.4 mm | 45 % | 20 km/h |
| 17:00 | drizzle | 9 °C | 0.8 mm | 62 % | 18 km/h |
| 18:00 | light rain | 9 °C | 1.4 mm | 81 % | 18 km/h |
| 19:00 | drizzle | 10 °C | 0.6 mm | 92 % | 21 km/h |
| 20:00 | overcast | 10 °C | 0.0 mm | 91 % | 17 km/h |
| 21:00 | overcast | 10 °C | 0.0 mm | 84 % | 18 km/h |
| 22:00 | overcast | 10 °C | 0.0 mm | 76 % | 17 km/h |
| 23:00 | overcast | 9 °C | 0.0 mm | 69 % | 17 km/h |
| 00:00 | overcast | 9 °C | 0.0 mm | 63 % | 14 km/h |
| 01:00 | light drizzle | 9 °C | 0.1 mm | 57 % | 14 km/h |
| 02:00 | light drizzle | 9 °C | 0.1 mm | 53 % | 20 km/h |
| 03:00 | light drizzle | 9 °C | 0.2 mm | 51 % | 18 km/h |
| 04:00 | light rain | 9 °C | 2.2 mm | 49 % | 23 km/h |
| 05:00 | heavy drizzle | 9 °C | 1.1 mm | 48 % | 32 km/h |
| 06:00 | light drizzle | 8 °C | 0.4 mm | 48 % | 27 km/h |
| 07:00 | light drizzle | 8 °C | 0.1 mm | 47 % | 27 km/h |
| 08:00 | light drizzle | 8 °C | 0.1 mm | 42 % | 28 km/h |
| 09:00 | overcast | 7 °C | 0.0 mm | 36 % | 25 km/h |
| 10:00 | light drizzle | 7 °C | 0.1 mm | 31 % | 23 km/h |
| 11:00 | overcast | 7 °C | 0.0 mm | 28 % | 24 km/h |
| 12:00 | overcast | 7 °C | 0.0 mm | 26 % | 23 km/h |
| 13:00 | overcast | 7 °C | 0.0 mm | 24 % | 23 km/h |
| 14:00 | mostly sunny | 7 °C | 0.0 mm | 21 % | 23 km/h |
| 15:00 | sunny | 6 °C | 0.0 mm | 18 % | 22 km/h |
| 16:00 | overcast | 6 °C | 0.0 mm | 16 % | 17 km/h |
| 17:00 | overcast | 5 °C | 0.0 mm | 15 % | 17 km/h |
| 18:00 | overcast | 4 °C | 0.0 mm | 15 % | 15 km/h |
| 19:00 | overcast | 3 °C | 0.0 mm | 16 % | 10 km/h |
| 20:00 | overcast | 2 °C | 0.0 mm | 20 % | 7 km/h |
| 21:00 | overcast | 2 °C | 0.0 mm | 25 % | 6 km/h |
| 22:00 | overcast | 2 °C | 0.0 mm | 31 % | 5 km/h |
| 23:00 | overcast | 3 °C | 0.0 mm | 37 % | 6 km/h |
| 00:00 | drizzle | 3 °C | 0.6 mm | 43 % | 6 km/h |
| 01:00 | light rain | 4 °C | 1.7 mm | 49 % | 8 km/h |
| 02:00 | rain | 4 °C | 2.6 mm | 53 % | 9 km/h |
| 03:00 | light rain | 4 °C | 1.5 mm | 57 % | 18 km/h |
| 04:00 | drizzle | 4 °C | 0.8 mm | 61 % | 20 km/h |
| 05:00 | drizzle | 4 °C | 0.5 mm | 66 % | 20 km/h |
| 06:00 | rain | 5 °C | 2.5 mm | 72 % | 18 km/h |
| 07:00 | rain | 5 °C | 2.9 mm | 78 % | 17 km/h |
| 08:00 | drizzle | 5 °C | 0.9 mm | 84 % | 12 km/h |
| 09:00 | drizzle | 6 °C | 0.9 mm | 89 % | 7 km/h |
| 10:00 | light drizzle | 6 °C | 0.1 mm | 92 % | 1 km/h |
| 11:00 | light drizzle | 12 °C | 0.1 mm | 92 % | 24 km/h |
| 12:00 | light drizzle | 14 °C | 0.2 mm | 90 % | 28 km/h |
| 13:00 | drizzle | 13 °C | 0.5 mm | 88 % | 28 km/h |
Location of Bertem
Bertem lies at 62 m, 21 m above the average of the 63 places we cover in the province of Flemish Brabant (41 m). That makes it the 13th highest of the 63. The main town, Leuven, lies 6 km to the north-east. The nearest places we cover are Oud-Heverlee (3 km to the south-east), Kortenberg (7 km to the north-west), Herent (7 km to the north-east) and Huldenberg (7 km to the south). With about 10,007 inhabitants according to GeoNames, Bertem is the 47th largest of the 62 places we cover in the province of Flemish Brabant. Of the places of interest on this site, the nearest are Werchter, Rock Werchter (circuit or festival, 15 km to the north-east) and Sonian Forest (natural site, 16 km to the south-west).
Today is close to the November normal (10.0 °C).
Climate of Bertem: 1991–2020 normals
In Bertem, July is typically the warmest month (up to 23.7 °C on average), while January is the coldest at 1.4 °C. August sees the most rain, with around 90 mm.
By season (average highs, 1991–2020 normals): winter 6.7 °C and 221 mm of rain, spring 15.1 °C and 157 mm, summer 22.9 °C and 241 mm, autumn 15.0 °C and 206 mm. The wettest season is summer (29 % of the annual total), the driest spring (19 %).
| Max T (°C) | Min T (°C) | Rainfall (mm) | Rainy days | |
|---|---|---|---|---|
| January | 6.2 | 1.4 | 74 | 13 |
| February | 7.3 | 1.4 | 63 | 12 |
| March | 11.2 | 3.5 | 55 | 12 |
| April | 15.3 | 6.0 | 45 | 11 |
| May | 18.8 | 9.5 | 57 | 12 |
| June | 21.6 | 12.5 | 71 | 12 |
| July | 23.7 | 14.6 | 81 | 13 |
| August | 23.3 | 14.1 | 90 | 14 |
| September | 19.9 | 11.2 | 66 | 11 |
| October | 15.1 | 8.1 | 69 | 12 |
| November | 10.0 | 4.5 | 71 | 13 |
| December | 6.6 | 1.9 | 84 | 14 |
Compared with Leuven, the main town 6 km to the north-east, highs in the warmest month are 0.2 °C lower here, and the year brings 17 mm less 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: Oud-Heverlee (3 km to the south-east): summers 0.1 °C warmer and 48 mm wetter a year; Kortenberg (7 km to the north-west): almost identical normals; Herent (7 km to the north-east): summers 0.2 °C warmer and 17 mm wetter a year. Among the 63 places we cover in the province of Flemish Brabant whose normals come from the ERA5 reanalysis, Bertem ranks 32nd for summer warmth and 57th 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 Bertem?
The warmest month in Bertem is typically July, averaging 23.7 °C (1991–2020 normal). The coldest is January, at 1.4 °C.
How many rainy days does Bertem get per year?
Bertem sees about 148 rainy days a year, adding up to roughly 825 mm of rainfall (1991–2020 normals).
How big is the gap between summer and winter in Bertem?
Between July and January, the temperature gap in Bertem runs to about 22.3 °C, based on the 1991–2020 normals.