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Weather in Oud-Heverlee
Flemish Brabant, 50 m · continuously updated
Zaventem (Melsbroek) (12 km) · 10 °C · KMI/IRM 14:00
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Temperature · last 4 and next 28 hours
Oud-Heverlee weather: the next 24 hours
Updated hourly.
Oud-Heverlee 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 Oud-Heverlee
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 Oud-Heverlee?
No active warning for Flemish Brabant.
Latest RMI observation near Oud-Heverlee
Measured at Zaventem (Melsbroek), 12 km from Oud-Heverlee: 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 Oud-Heverlee
The weather station nearest to Oud-Heverlee, 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 Oud-Heverlee
- 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 (2.1 mm, up to 94 % 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 4.3 °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: 23.1 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 Oud-Heverlee
Today (Sunday 15 Nov) in Oud-Heverlee: light rain, 1 to 10 °C, precipitation 3.4 mm (94 %), wind up to 17 km/h. Tomorrow: light rain, 3 to 9 °C.
| Day | Weather | Min | Max | Precip. | Wind |
|---|---|---|---|---|---|
| Today | light rain | 1 °C | 10 °C | 3.4 mm | 17 km/h |
| Tomorrow | light rain | 3 °C | 9 °C | 4.4 mm | 25 km/h |
| Tue 17 Nov | rain | 4 °C | 14 °C | 18.6 mm | 30 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 Oud-Heverlee
Tomorrow, Monday 16 Nov, in Oud-Heverlee: light rain, from 3 to 9 °C, 4.4 mm of precipitation (probability 64 %), wind up to 25 km/h.
| Hour | Weather | Temp. | Precip. | Chance | Wind |
|---|---|---|---|---|---|
| 00:00 |  overcast | 9 °C | 0.0 mm | 64 % | 10 km/h |
| 03:00 |  light drizzle | 9 °C | 0.2 mm | 53 % | 14 km/h |
| 06:00 | light drizzle | 8 °C | 0.4 mm | 49 % | 22 km/h |
| 09:00 | light drizzle | 8 °C | 0.1 mm | 38 % | 19 km/h |
| 12:00 | overcast | 8 °C | 0.0 mm | 28 % | 17 km/h |
| 15:00 |  sunny | 7 °C | 0.0 mm | 18 % | 17 km/h |
| 18:00 | overcast | 4 °C | 0.0 mm | 15 % | 12 km/h |
| 21:00 | overcast | 3 °C | 0.0 mm | 25 % | 5 km/h |
Frequently asked questions
Will it rain tomorrow in Oud-Heverlee?
Yes: 4.4 mm expected, probability 64 %.
How warm will it be tomorrow in Oud-Heverlee?
Between 3 and 9 °C.
The weekend
Today, Sunday, in Oud-Heverlee: light rain, 1 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 | 1 °C | 10 °C | 3.4 mm | 17 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 Oud-Heverlee, hour by hour: temperature from 3 to 14 °C, 23.1 mm of rain expected.
| Hour | Weather | Temp. | Precip. | Chance | Wind |
|---|---|---|---|---|---|
| 14:00 | overcast | 8 °C | 0.0 mm | 6 % | 15 km/h |
| 15:00 | overcast | 9 °C | 0.0 mm | 18 % | 17 km/h |
| 16:00 | light drizzle | 9 °C | 0.2 mm | 33 % | 16 km/h |
| 17:00 | drizzle | 9 °C | 0.9 mm | 54 % | 14 km/h |
| 18:00 | light rain | 10 °C | 1.3 mm | 78 % | 14 km/h |
| 19:00 | drizzle | 10 °C | 0.6 mm | 94 % | 16 km/h |
| 20:00 | light drizzle | 10 °C | 0.1 mm | 94 % | 13 km/h |
| 21:00 | light drizzle | 10 °C | 0.1 mm | 85 % | 13 km/h |
| 22:00 | overcast | 10 °C | 0.0 mm | 76 % | 13 km/h |
| 23:00 | overcast | 10 °C | 0.0 mm | 70 % | 13 km/h |
| 00:00 | overcast | 9 °C | 0.0 mm | 64 % | 10 km/h |
| 01:00 | light drizzle | 9 °C | 0.2 mm | 59 % | 10 km/h |
| 02:00 | light drizzle | 9 °C | 0.1 mm | 56 % | 14 km/h |
| 03:00 | light drizzle | 9 °C | 0.2 mm | 53 % | 14 km/h |
| 04:00 | light rain | 9 °C | 1.8 mm | 51 % | 17 km/h |
| 05:00 | heavy drizzle | 9 °C | 1.2 mm | 50 % | 25 km/h |
| 06:00 | light drizzle | 8 °C | 0.4 mm | 49 % | 22 km/h |
| 07:00 | light drizzle | 8 °C | 0.2 mm | 47 % | 21 km/h |
| 08:00 | light drizzle | 8 °C | 0.1 mm | 43 % | 22 km/h |
| 09:00 | light drizzle | 8 °C | 0.1 mm | 38 % | 19 km/h |
| 10:00 | light drizzle | 8 °C | 0.1 mm | 33 % | 17 km/h |
| 11:00 | overcast | 7 °C | 0.0 mm | 30 % | 18 km/h |
| 12:00 | overcast | 8 °C | 0.0 mm | 28 % | 17 km/h |
| 13:00 | overcast | 8 °C | 0.0 mm | 25 % | 17 km/h |
| 14:00 | mostly sunny | 8 °C | 0.0 mm | 22 % | 18 km/h |
| 15:00 | sunny | 7 °C | 0.0 mm | 18 % | 17 km/h |
| 16:00 | overcast | 7 °C | 0.0 mm | 16 % | 13 km/h |
| 17:00 | overcast | 6 °C | 0.0 mm | 15 % | 12 km/h |
| 18:00 | overcast | 4 °C | 0.0 mm | 15 % | 12 km/h |
| 19:00 | overcast | 3 °C | 0.0 mm | 16 % | 8 km/h |
| 20:00 | overcast | 3 °C | 0.0 mm | 20 % | 6 km/h |
| 21:00 | overcast | 3 °C | 0.0 mm | 25 % | 5 km/h |
| 22:00 | overcast | 3 °C | 0.0 mm | 31 % | 5 km/h |
| 23:00 | overcast | 4 °C | 0.0 mm | 36 % | 5 km/h |
| 00:00 | drizzle | 4 °C | 0.6 mm | 42 % | 5 km/h |
| 01:00 | light rain | 4 °C | 1.6 mm | 47 % | 6 km/h |
| 02:00 | rain | 4 °C | 2.5 mm | 52 % | 8 km/h |
| 03:00 | light rain | 4 °C | 1.5 mm | 58 % | 14 km/h |
| 04:00 | drizzle | 5 °C | 0.7 mm | 63 % | 17 km/h |
| 05:00 | light drizzle | 5 °C | 0.4 mm | 69 % | 16 km/h |
| 06:00 | light rain | 5 °C | 2.2 mm | 75 % | 16 km/h |
| 07:00 | rain | 5 °C | 3.3 mm | 80 % | 14 km/h |
| 08:00 | heavy drizzle | 6 °C | 1.0 mm | 84 % | 10 km/h |
| 09:00 | heavy drizzle | 6 °C | 1.0 mm | 88 % | 6 km/h |
| 10:00 | light drizzle | 6 °C | 0.1 mm | 90 % | 2 km/h |
| 11:00 | light drizzle | 10 °C | 0.2 mm | 91 % | 14 km/h |
| 12:00 | light drizzle | 14 °C | 0.2 mm | 91 % | 21 km/h |
| 13:00 | light drizzle | 13 °C | 0.2 mm | 90 % | 19 km/h |
Location of Oud-Heverlee
Oud-Heverlee lies at 50 m, 9 m above the average of the 63 places we cover in the province of Flemish Brabant (41 m). That makes it the 20th highest of the 63. The main town, Leuven, lies 6 km to the north-east. The nearest places we cover are Bertem (3 km to the north-west), Bierbeek (7 km to the east), Huldenberg (7 km to the south-west) and Herent (8 km to the north). With about 11,112 inhabitants according to GeoNames, Oud-Heverlee is the 42nd 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, 16 km to the north) and Sonian Forest (natural site, 18 km to the west).
Today is close to the November normal (10.2 °C).
Climate of Oud-Heverlee: 1991–2020 normals
In Oud-Heverlee, July is typically the warmest month (up to 23.8 °C on average), while January is the coldest at 1.6 °C. August sees the most rain, with around 95 mm.
By season (average highs, 1991–2020 normals): winter 6.9 °C and 232 mm of rain, spring 15.2 °C and 170 mm, summer 23.0 °C and 255 mm, autumn 15.1 °C and 216 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 | 6.4 | 1.6 | 76 | 14 |
| February | 7.5 | 1.6 | 66 | 12 |
| March | 11.4 | 3.7 | 58 | 12 |
| April | 15.4 | 6.3 | 50 | 12 |
| May | 18.9 | 9.7 | 62 | 12 |
| June | 21.7 | 12.7 | 75 | 12 |
| July | 23.8 | 14.8 | 85 | 14 |
| August | 23.5 | 14.4 | 95 | 14 |
| September | 20.0 | 11.4 | 70 | 12 |
| October | 15.2 | 8.3 | 71 | 13 |
| November | 10.2 | 4.7 | 74 | 13 |
| December | 6.7 | 2.1 | 90 | 14 |
Compared with Leuven, the main town 6 km to the north-east, highs in the warmest month are 0.1 °C lower here, and the year brings 31 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: Bertem (3 km to the north-west): summers 0.1 °C cooler and 48 mm drier a year; Bierbeek (7 km to the east): almost identical normals; Huldenberg (7 km to the south-west): summers 0.2 °C cooler and 14 mm drier a year. Among the 63 places we cover in the province of Flemish Brabant whose normals come from the ERA5 reanalysis, Oud-Heverlee ranks 14th for summer warmth and 2nd 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 Oud-Heverlee?
The warmest month in Oud-Heverlee is typically July, averaging 23.8 °C (1991–2020 normal). The coldest is January, at 1.6 °C.
How many rainy days does Oud-Heverlee get per year?
Oud-Heverlee sees about 154 rainy days a year, adding up to roughly 873 mm of rainfall (1991–2020 normals).
How big is the gap between summer and winter in Oud-Heverlee?
Between July and January, the temperature gap in Oud-Heverlee runs to about 22.2 °C, based on the 1991–2020 normals.