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Weather in Sint-Niklaas
East Flanders, 15 m · continuously updated
Deurne (22 km) · 9 °C · KMI/IRM 14:00
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Temperature · last 4 and next 28 hours
Sint-Niklaas weather: the next 24 hours
Updated hourly.
Sint-Niklaas 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-Niklaas
Neighbouring towns, as the crow flies.
Official weather warnings
No active warning for East Flanders.
Updated 15 Nov 13:48.
Is there an active weather warning for Sint-Niklaas?
No active warning for East Flanders.
Latest RMI observation near Sint-Niklaas
Measured at Deurne, 22 km from Sint-Niklaas: situation as of 15 November 2026, 14:00. Deurne 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 | 8.8 °C |
| Wind | 18 km/h S |
| Gusts | 32 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 Sint-Niklaas
The weather station nearest to Sint-Niklaas, Deurne located 14 m above sea level, is 23 km away; its records cover 1954–2013. In November, the mean temperature there is 7.1 °C over 1991–2020, 0.9 °C more than over 1961–1990 (6.2 °C), with about – mm of rain. The warmest month ever measured is July 2006 (22.7 °C), the coldest February 1956 (−5.8 °C). See the full series of Deurne
Today in Sint-Niklaas
- 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 (1.5 mm, up to 86 % chance). Have some shelter or a plan B ready. How it is calculated
- Best time to air the house: tomorrow, between 12:00 and 14:00. The outdoor dew point drops to 4.4 °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: 24.8 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 Sint-Niklaas
Today (Sunday 15 Nov) in Sint-Niklaas: heavy drizzle, 1 to 10 °C, precipitation 3.0 mm (86 %), wind up to 24 km/h. Tomorrow: rain, 4 to 9 °C.
| Day | Weather | Min | Max | Precip. | Wind |
|---|---|---|---|---|---|
| Today | heavy drizzle | 1 °C | 10 °C | 3.0 mm | 24 km/h |
| Tomorrow | rain | 4 °C | 9 °C | 7.3 mm | 27 km/h |
| Tue 17 Nov | rain | 4 °C | 14 °C | 15.6 mm | 36 km/h |
| Wed 18 Nov | showers | 8 °C | 11 °C | 7.1 mm | 23 km/h |
| Thu 19 Nov | showers | 8 °C | 10 °C | 16.9 mm | 19 km/h |
| Fri 20 Nov | showers | 2 °C | 8 °C | 14.3 mm | 15 km/h |
| Sat 21 Nov | overcast | 1 °C | 10 °C | 0.0 mm | 10 km/h |
Tomorrow's weather in Sint-Niklaas
Tomorrow, Monday 16 Nov, in Sint-Niklaas: rain, from 4 to 9 °C, 7.3 mm of precipitation (probability 71 %), wind up to 27 km/h.
| Hour | Weather | Temp. | Precip. | Chance | Wind |
|---|---|---|---|---|---|
| 00:00 |  overcast | 9 °C | 0.0 mm | 52 % | 17 km/h |
| 03:00 |  drizzle | 9 °C | 0.5 mm | 65 % | 13 km/h |
| 06:00 | drizzle | 8 °C | 0.5 mm | 65 % | 21 km/h |
| 09:00 | light drizzle | 8 °C | 0.1 mm | 55 % | 22 km/h |
| 12:00 | overcast | 8 °C | 0.0 mm | 34 % | 23 km/h |
| 15:00 | overcast | 7 °C | 0.0 mm | 28 % | 19 km/h |
| 18:00 | overcast | 5 °C | 0.0 mm | 13 % | 14 km/h |
| 21:00 | overcast | 4 °C | 0.0 mm | 14 % | 9 km/h |
Frequently asked questions
Will it rain tomorrow in Sint-Niklaas?
Yes: 7.3 mm expected, probability 71 %.
How warm will it be tomorrow in Sint-Niklaas?
Between 4 and 9 °C.
The weekend
Today, Sunday, in Sint-Niklaas: heavy drizzle, 1 to 10 °C. Next weekend: Saturday overcast, 1 to 10 °C, Sunday drizzle, 4 to 9 °C.
| Day | Weather | Min | Max | Precip. | Wind |
|---|---|---|---|---|---|
| Today | heavy drizzle | 1 °C | 10 °C | 3.0 mm | 24 km/h |
| Sat 21 Nov | overcast | 1 °C | 10 °C | 0.0 mm | 10 km/h |
| Sun 22 Nov | drizzle | 4 °C | 9 °C | 6.8 mm | 19 km/h |
Hour by hour
The next 48 hours in Sint-Niklaas, hour by hour: temperature from 4 to 14 °C, 24.8 mm of rain expected.
| Hour | Weather | Temp. | Precip. | Chance | Wind |
|---|---|---|---|---|---|
| 14:00 | overcast | 8 °C | 0.0 mm | 15 % | 19 km/h |
| 15:00 | overcast | 9 °C | 0.0 mm | 36 % | 22 km/h |
| 16:00 | drizzle | 9 °C | 0.6 mm | 55 % | 22 km/h |
| 17:00 | drizzle | 9 °C | 0.7 mm | 69 % | 24 km/h |
| 18:00 | heavy drizzle | 10 °C | 1.2 mm | 81 % | 15 km/h |
| 19:00 | light drizzle | 10 °C | 0.3 mm | 86 % | 18 km/h |
| 20:00 | overcast | 10 °C | 0.0 mm | 81 % | 18 km/h |
| 21:00 | overcast | 10 °C | 0.0 mm | 70 % | 17 km/h |
| 22:00 | overcast | 10 °C | 0.0 mm | 61 % | 17 km/h |
| 23:00 | light drizzle | 10 °C | 0.2 mm | 55 % | 18 km/h |
| 00:00 | overcast | 9 °C | 0.0 mm | 52 % | 17 km/h |
| 01:00 | light drizzle | 9 °C | 0.3 mm | 51 % | 17 km/h |
| 02:00 | light drizzle | 9 °C | 0.2 mm | 57 % | 17 km/h |
| 03:00 | drizzle | 9 °C | 0.5 mm | 65 % | 13 km/h |
| 04:00 |  rain | 9 °C | 4.2 mm | 71 % | 17 km/h |
| 05:00 | heavy drizzle | 9 °C | 1.0 mm | 70 % | 27 km/h |
| 06:00 | drizzle | 8 °C | 0.5 mm | 65 % | 21 km/h |
| 07:00 | drizzle | 8 °C | 0.5 mm | 61 % | 24 km/h |
| 08:00 | overcast | 8 °C | 0.0 mm | 58 % | 23 km/h |
| 09:00 | light drizzle | 8 °C | 0.1 mm | 55 % | 22 km/h |
| 10:00 | overcast | 8 °C | 0.0 mm | 51 % | 23 km/h |
| 11:00 | overcast | 7 °C | 0.0 mm | 43 % | 23 km/h |
| 12:00 | overcast | 8 °C | 0.0 mm | 34 % | 23 km/h |
| 13:00 | overcast | 8 °C | 0.0 mm | 27 % | 22 km/h |
| 14:00 | overcast | 7 °C | 0.0 mm | 26 % | 20 km/h |
| 15:00 | overcast | 7 °C | 0.0 mm | 28 % | 19 km/h |
| 16:00 |  sunny | 7 °C | 0.0 mm | 27 % | 20 km/h |
| 17:00 | overcast | 6 °C | 0.0 mm | 21 % | 17 km/h |
| 18:00 | overcast | 5 °C | 0.0 mm | 13 % | 14 km/h |
| 19:00 | overcast | 4 °C | 0.0 mm | 8 % | 12 km/h |
| 20:00 | overcast | 4 °C | 0.0 mm | 9 % | 11 km/h |
| 21:00 | overcast | 4 °C | 0.0 mm | 14 % | 9 km/h |
| 22:00 | overcast | 4 °C | 0.0 mm | 20 % | 8 km/h |
| 23:00 | overcast | 4 °C | 0.0 mm | 27 % | 9 km/h |
| 00:00 | overcast | 4 °C | 0.0 mm | 34 % | 9 km/h |
| 01:00 | drizzle | 4 °C | 0.9 mm | 41 % | 10 km/h |
| 02:00 | light rain | 4 °C | 1.3 mm | 46 % | 12 km/h |
| 03:00 | heavy drizzle | 5 °C | 1.0 mm | 51 % | 18 km/h |
| 04:00 | drizzle | 4 °C | 0.6 mm | 57 % | 19 km/h |
| 05:00 | heavy drizzle | 4 °C | 1.0 mm | 65 % | 23 km/h |
| 06:00 | light rain | 5 °C | 2.4 mm | 73 % | 25 km/h |
| 07:00 | rain | 5 °C | 4.2 mm | 80 % | 23 km/h |
| 08:00 | rain | 5 °C | 2.7 mm | 84 % | 18 km/h |
| 09:00 | light drizzle | 5 °C | 0.4 mm | 86 % | 15 km/h |
| 10:00 | overcast | 6 °C | 0.0 mm | 88 % | 11 km/h |
| 11:00 |  fog | 6 °C | 0.0 mm | 89 % | 8 km/h |
| 12:00 | overcast | 9 °C | 0.0 mm | 89 % | 16 km/h |
| 13:00 | overcast | 14 °C | 0.0 mm | 88 % | 30 km/h |
Location of Sint-Niklaas
Sint-Niklaas lies at 15 m, 5 m below the average of the 55 places we cover in the province of East Flanders (20 m). That makes it the 25th highest of the 55. The main town, Ghent, lies 32 km to the west. The nearest places we cover are Temse (6 km to the south-east), Waasmunster (7 km to the south-west), Sint-Gillis-Waas (7 km to the north) and Hamme (9 km to the south). With about 77,679 inhabitants according to GeoNames, Sint-Niklaas is the 4th largest of the 52 places we cover in the province of East Flanders. Of the places of interest on this site, the nearest are Boom, Tomorrowland (circuit or festival, 18 km to the south-east) and Atomium (sight, 33 km to the south-east).
Today is close to the November normal (10.1 °C).
Climate of Sint-Niklaas: 1991–2020 normals
In Sint-Niklaas, July is typically the warmest month (up to 23.0 °C on average), while February is the coldest at 1.7 °C. August sees the most rain, with around 86 mm.
By season (average highs, 1991–2020 normals): winter 6.8 °C and 210 mm of rain, spring 14.6 °C and 162 mm, summer 22.2 °C and 237 mm, autumn 14.8 °C and 208 mm. The wettest season is summer (29 % of the annual total), the driest spring (20 %).
| Max T (°C) | Min T (°C) | Rainfall (mm) | Rainy days | |
|---|---|---|---|---|
| January | 6.3 | 1.8 | 70 | 13 |
| February | 7.3 | 1.7 | 59 | 12 |
| March | 10.9 | 3.7 | 54 | 11 |
| April | 14.8 | 6.3 | 48 | 12 |
| May | 18.2 | 9.7 | 60 | 12 |
| June | 20.9 | 12.6 | 69 | 12 |
| July | 23.0 | 14.8 | 82 | 13 |
| August | 22.7 | 14.5 | 86 | 13 |
| September | 19.5 | 11.8 | 67 | 12 |
| October | 14.9 | 8.6 | 69 | 12 |
| November | 10.1 | 5.0 | 72 | 13 |
| December | 6.7 | 2.4 | 81 | 14 |
Compared with Ghent, the main town 32 km to the west, highs in the warmest month are 0.2 °C higher here, and the year brings 30 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: Temse (6 km to the south-east): summers 0.3 °C warmer and 2 mm drier a year; Waasmunster (7 km to the south-west): almost identical normals; Beveren (9 km to the north-east): almost identical normals. Among the 55 places we cover in the province of East Flanders whose normals come from the ERA5 reanalysis, Sint-Niklaas ranks 32nd for summer warmth and 20th for annual precipitation. The warmest summers are in Ninove and the coolest in Sint-Laureins; the wettest year is in Ninove and the driest in Maldegem, Eeklo and Sint-Laureins.
What is the warmest month in Sint-Niklaas?
The warmest month in Sint-Niklaas is typically July, averaging 23.0 °C (1991–2020 normal). The coldest is February, at 1.7 °C.
How many rainy days does Sint-Niklaas get per year?
Sint-Niklaas sees about 148 rainy days a year, adding up to roughly 816 mm of rainfall (1991–2020 normals).
How big is the gap between summer and winter in Sint-Niklaas?
Between July and February, the temperature gap in Sint-Niklaas runs to about 21.3 °C, based on the 1991–2020 normals.