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Weather in Sint-Jans-Molenbeek
Brussels-Capital Region, 38 m · continuously updated
Uccle (7 km) · 9 °C · KMI/IRM 14:00
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Temperature · last 4 and next 28 hours
Sint-Jans-Molenbeek weather: the next 24 hours
Updated hourly.
Sint-Jans-Molenbeek 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 Sint-Jans-Molenbeek
Neighbouring towns, as the crow flies.
Official weather warnings
No active warning for Brussels-Capital Region.
Updated 15 Nov 13:48.
Is there an active weather warning for Sint-Jans-Molenbeek?
No active warning for Brussels-Capital Region.
Latest RMI observation near Sint-Jans-Molenbeek
Measured at Uccle, 7 km from Sint-Jans-Molenbeek: 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 Sint-Jans-Molenbeek
The weather station nearest to Sint-Jans-Molenbeek, Uccle located 104 m above sea level, is 7 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 Sint-Jans-Molenbeek
- 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 (1.3 mm, up to 87 % 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 3.7 °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: 25.1 mm of rain expected within 48 h, against a need of 1.4 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 Sint-Jans-Molenbeek
Today (Sunday 15 Nov) in Sint-Jans-Molenbeek: heavy drizzle, 3 to 11 °C, precipitation 3.5 mm (87 %), wind up to 23 km/h. Tomorrow: rain, 5 to 10 °C.
| Day | Weather | Min | Max | Precip. | Wind |
|---|---|---|---|---|---|
| Today | heavy drizzle | 3 °C | 11 °C | 3.5 mm | 23 km/h |
| Tomorrow | rain | 5 °C | 10 °C | 4.8 mm | 26 km/h |
| Tue 17 Nov | rain | 5 °C | 14 °C | 20.6 mm | 38 km/h |
| Wed 18 Nov | drizzle | 8 °C | 12 °C | 1.8 mm | 24 km/h |
| Thu 19 Nov | heavy drizzle | 8 °C | 10 °C | 12.1 mm | 22 km/h |
| Fri 20 Nov | showers | 3 °C | 8 °C | 14.8 mm | 12 km/h |
| Sat 21 Nov | partly cloudy | 1 °C | 9 °C | 0.0 mm | 13 km/h |
Tomorrow's weather in Sint-Jans-Molenbeek
Tomorrow, Monday 16 Nov, in Sint-Jans-Molenbeek: rain, from 5 to 10 °C, 4.8 mm of precipitation (probability 66 %), wind up to 26 km/h.
| Hour | Weather | Temp. | Precip. | Chance | Wind |
|---|---|---|---|---|---|
| 00:00 |  overcast | 10 °C | 0.0 mm | 66 % | 16 km/h |
| 03:00 |  light drizzle | 9 °C | 0.2 mm | 52 % | 19 km/h |
| 06:00 | light drizzle | 8 °C | 0.2 mm | 57 % | 21 km/h |
| 09:00 | overcast | 8 °C | 0.0 mm | 41 % | 22 km/h |
| 12:00 | overcast | 8 °C | 0.0 mm | 25 % | 22 km/h |
| 15:00 | overcast | 8 °C | 0.0 mm | 14 % | 18 km/h |
| 18:00 | overcast | 5 °C | 0.0 mm | 15 % | 14 km/h |
| 21:00 | overcast | 5 °C | 0.0 mm | 28 % | 7 km/h |
Frequently asked questions
Will it rain tomorrow in Sint-Jans-Molenbeek?
Yes: 4.8 mm expected, probability 66 %.
How warm will it be tomorrow in Sint-Jans-Molenbeek?
Between 5 and 10 °C.
The weekend
Today, Sunday, in Sint-Jans-Molenbeek: heavy drizzle, 3 to 11 °C. Next weekend: Saturday partly cloudy, 1 to 9 °C, Sunday drizzle, 4 to 9 °C.
| Day | Weather | Min | Max | Precip. | Wind |
|---|---|---|---|---|---|
| Today | heavy drizzle | 3 °C | 11 °C | 3.5 mm | 23 km/h |
| Sat 21 Nov |  partly cloudy | 1 °C | 9 °C | 0.0 mm | 13 km/h |
| Sun 22 Nov | drizzle | 4 °C | 9 °C | 6.8 mm | 22 km/h |
Hour by hour
The next 48 hours in Sint-Jans-Molenbeek, hour by hour: temperature from 5 to 13 °C, 25.1 mm of rain expected.
| Hour | Weather | Temp. | Precip. | Chance | Wind |
|---|---|---|---|---|---|
| 14:00 | overcast | 9 °C | 0.0 mm | 17 % | 20 km/h |
| 15:00 | overcast | 10 °C | 0.0 mm | 36 % | 22 km/h |
| 16:00 | drizzle | 10 °C | 0.8 mm | 53 % | 18 km/h |
| 17:00 | heavy drizzle | 10 °C | 1.1 mm | 67 % | 18 km/h |
| 18:00 | drizzle | 11 °C | 0.9 mm | 78 % | 23 km/h |
| 19:00 | light drizzle | 11 °C | 0.4 mm | 86 % | 20 km/h |
| 20:00 | overcast | 11 °C | 0.0 mm | 87 % | 18 km/h |
| 21:00 | overcast | 11 °C | 0.0 mm | 85 % | 19 km/h |
| 22:00 | overcast | 10 °C | 0.0 mm | 80 % | 18 km/h |
| 23:00 | overcast | 10 °C | 0.0 mm | 74 % | 18 km/h |
| 00:00 | overcast | 10 °C | 0.0 mm | 66 % | 16 km/h |
| 01:00 | light drizzle | 10 °C | 0.1 mm | 59 % | 17 km/h |
| 02:00 | light drizzle | 9 °C | 0.1 mm | 55 % | 18 km/h |
| 03:00 | light drizzle | 9 °C | 0.2 mm | 52 % | 19 km/h |
| 04:00 |  rain | 9 °C | 3.4 mm | 51 % | 24 km/h |
| 05:00 | drizzle | 9 °C | 0.5 mm | 53 % | 26 km/h |
| 06:00 | light drizzle | 8 °C | 0.2 mm | 57 % | 21 km/h |
| 07:00 | light drizzle | 8 °C | 0.1 mm | 57 % | 21 km/h |
| 08:00 | light drizzle | 8 °C | 0.1 mm | 51 % | 23 km/h |
| 09:00 | overcast | 8 °C | 0.0 mm | 41 % | 22 km/h |
| 10:00 | overcast | 8 °C | 0.0 mm | 33 % | 21 km/h |
| 11:00 | overcast | 8 °C | 0.0 mm | 28 % | 21 km/h |
| 12:00 | overcast | 8 °C | 0.0 mm | 25 % | 22 km/h |
| 13:00 |  mostly sunny | 8 °C | 0.0 mm | 22 % | 22 km/h |
| 14:00 | sunny | 8 °C | 0.0 mm | 18 % | 22 km/h |
| 15:00 | overcast | 8 °C | 0.0 mm | 14 % | 18 km/h |
| 16:00 | overcast | 7 °C | 0.0 mm | 12 % | 16 km/h |
| 17:00 | overcast | 6 °C | 0.0 mm | 12 % | 15 km/h |
| 18:00 | overcast | 5 °C | 0.0 mm | 15 % | 14 km/h |
| 19:00 | partly cloudy | 5 °C | 0.0 mm | 18 % | 11 km/h |
| 20:00 | overcast | 5 °C | 0.0 mm | 22 % | 8 km/h |
| 21:00 | overcast | 5 °C | 0.0 mm | 28 % | 7 km/h |
| 22:00 | overcast | 6 °C | 0.0 mm | 33 % | 6 km/h |
| 23:00 | light drizzle | 6 °C | 0.1 mm | 38 % | 5 km/h |
| 00:00 | drizzle | 6 °C | 0.8 mm | 44 % | 7 km/h |
| 01:00 | light rain | 5 °C | 1.7 mm | 49 % | 9 km/h |
| 02:00 | rain | 5 °C | 2.7 mm | 54 % | 12 km/h |
| 03:00 | light rain | 5 °C | 1.4 mm | 59 % | 19 km/h |
| 04:00 | drizzle | 5 °C | 0.7 mm | 65 % | 20 km/h |
| 05:00 | drizzle | 5 °C | 0.9 mm | 72 % | 19 km/h |
| 06:00 | rain | 6 °C | 3.0 mm | 80 % | 19 km/h |
| 07:00 | light rain | 6 °C | 1.3 mm | 86 % | 15 km/h |
| 08:00 | drizzle | 6 °C | 0.9 mm | 89 % | 10 km/h |
| 09:00 | drizzle | 7 °C | 0.7 mm | 91 % | 5 km/h |
| 10:00 | light drizzle | 8 °C | 0.1 mm | 92 % | 7 km/h |
| 11:00 | light drizzle | 12 °C | 0.1 mm | 93 % | 19 km/h |
| 12:00 | light drizzle | 13 °C | 0.2 mm | 95 % | 22 km/h |
| 13:00 | rain | 13 °C | 2.6 mm | 94 % | 25 km/h |
Location of Sint-Jans-Molenbeek
Sint-Jans-Molenbeek lies at 38 m, 23 m below the average of the 19 places we cover in the Brussels-Capital Region (61 m). That makes it the 2nd lowest of the 19. The main town, Brussels, lies 3 km to the east. The nearest places we cover are Koekelberg (1 km to the north), Sint-Agatha-Berchem (2 km to the north-west), Anderlecht (2 km to the south) and Ganshoren (2 km to the north). With about 97,462 inhabitants according to GeoNames, Sint-Jans-Molenbeek is the 4th largest of the 19 places we cover in the Brussels-Capital Region. Of the places of interest on this site, the nearest are Atomium (sight, 5 km to the north) and Sonian Forest (natural site, 11 km to the south-east).
Today is close to the November normal (10.2 °C).
Climate of Sint-Jans-Molenbeek: 1991–2020 normals
In Sint-Jans-Molenbeek, July is typically the warmest month (up to 23.7 °C on average), while February is the coldest at 1.6 °C. August sees the most rain, with around 92 mm.
By season (average highs, 1991–2020 normals): winter 6.9 °C and 225 mm of rain, spring 15.2 °C and 160 mm, summer 22.9 °C and 241 mm, autumn 15.1 °C and 210 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 | 1.7 | 75 | 13 |
| February | 7.5 | 1.6 | 63 | 12 |
| March | 11.4 | 3.7 | 55 | 11 |
| April | 15.3 | 6.2 | 46 | 12 |
| May | 18.8 | 9.7 | 59 | 12 |
| June | 21.6 | 12.7 | 70 | 12 |
| July | 23.7 | 14.7 | 79 | 13 |
| August | 23.4 | 14.3 | 92 | 13 |
| September | 20.0 | 11.4 | 67 | 12 |
| October | 15.2 | 8.3 | 70 | 12 |
| November | 10.2 | 4.7 | 73 | 13 |
| December | 6.8 | 2.2 | 86 | 14 |
Compared with Brussels, the main town 3 km to the east, highs in the warmest month are the same here, and the year brings 28 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: Anderlecht (2 km to the south): summers 0.1 °C cooler and 17 mm wetter a year; Saint-Josse-ten-Noode (4 km to the east): almost identical normals; Ixelles (5 km to the south-east): summers 0.1 °C cooler and 28 mm wetter a year.
What is the warmest month in Sint-Jans-Molenbeek?
The warmest month in Sint-Jans-Molenbeek is typically July, averaging 23.7 °C (1991–2020 normal). The coldest is February, at 1.6 °C.
How many rainy days does Sint-Jans-Molenbeek get per year?
Sint-Jans-Molenbeek sees about 148 rainy days a year, adding up to roughly 836 mm of rainfall (1991–2020 normals).
How big is the gap between summer and winter in Sint-Jans-Molenbeek?
Between July and February, the temperature gap in Sint-Jans-Molenbeek runs to about 22.1 °C, based on the 1991–2020 normals.