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Weather in Saint-Ghislain
Hainaut, 27 m · continuously updated
Chièvres (14 km) · 10 °C · KMI/IRM 14:00
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Temperature · last 4 and next 28 hours
Saint-Ghislain weather: the next 24 hours
Updated hourly.
Saint-Ghislain 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 Saint-Ghislain
Neighbouring towns, as the crow flies.
Official weather warnings
No active warning for Hainaut.
Updated 15 Nov 13:48.
Is there an active weather warning for Saint-Ghislain?
No active warning for Hainaut.
Latest RMI observation near Saint-Ghislain
Measured at Chièvres, 14 km from Saint-Ghislain: situation as of 15 November 2026, 14:00. Chièvres 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 | 9.6 °C |
| Wind | 22 km/h S |
| Gusts | 40 km/h |
| Rain, last hour | — |
| Humidity | — |
| Pressure | 1002 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 Saint-Ghislain
The weather station nearest to Saint-Ghislain, Chièvres located 63 m above sea level, is 14 km away; its records cover 1954–2013. In November, the mean temperature there is 5.4 °C over 1991–2020, 0.9 °C more than over 1961–1990 (4.5 °C), with about – mm of rain. The warmest month ever measured is July 2006 (22.2 °C), the coldest February 1956 (−9.2 °C). See the full series of Chièvres
Today in Saint-Ghislain
- 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 (0.9 mm, up to 89 % 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 2.2 °C; once warmed to 20 °C, that air holds only 31 % humidity, against 50 % in a typical home: opening the windows dries the house. How it is calculated
- Garden: 32.1 mm of rain expected within 48 h, against a need of 1.2 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 Saint-Ghislain
Today (Sunday 15 Nov) in Saint-Ghislain: heavy drizzle, 2 to 11 °C, precipitation 3.3 mm (89 %), wind up to 27 km/h. Tomorrow: light rain, 5 to 10 °C.
| Day | Weather | Min | Max | Precip. | Wind |
|---|---|---|---|---|---|
| Today | heavy drizzle | 2 °C | 11 °C | 3.3 mm | 27 km/h |
| Tomorrow | light rain | 5 °C | 10 °C | 4.9 mm | 28 km/h |
| Tue 17 Nov | rain | 6 °C | 14 °C | 25.6 mm | 35 km/h |
| Wed 18 Nov | light drizzle | 9 °C | 12 °C | 1.5 mm | 26 km/h |
| Thu 19 Nov | heavy drizzle | 8 °C | 10 °C | 8.9 mm | 23 km/h |
| Fri 20 Nov | showers | 2 °C | 10 °C | 13.9 mm | 21 km/h |
| Sat 21 Nov | overcast | 1 °C | 9 °C | 0.0 mm | 12 km/h |
Tomorrow's weather in Saint-Ghislain
Tomorrow, Monday 16 Nov, in Saint-Ghislain: light rain, from 5 to 10 °C, 4.9 mm of precipitation (probability 59 %), wind up to 28 km/h.
| Hour | Weather | Temp. | Precip. | Chance | Wind |
|---|---|---|---|---|---|
| 00:00 |  light drizzle | 10 °C | 0.1 mm | 57 % | 19 km/h |
| 03:00 |  light rain | 9 °C | 1.3 mm | 58 % | 26 km/h |
| 06:00 |  overcast | 9 °C | 0.0 mm | 42 % | 20 km/h |
| 09:00 | light drizzle | 8 °C | 0.3 mm | 22 % | 22 km/h |
| 12:00 | overcast | 8 °C | 0.0 mm | 9 % | 18 km/h |
| 15:00 | overcast | 8 °C | 0.0 mm | 4 % | 18 km/h |
| 18:00 | overcast | 5 °C | 0.0 mm | 16 % | 5 km/h |
| 21:00 | overcast | 6 °C | 0.0 mm | 35 % | 6 km/h |
Frequently asked questions
Will it rain tomorrow in Saint-Ghislain?
Yes: 4.9 mm expected, probability 59 %.
How warm will it be tomorrow in Saint-Ghislain?
Between 5 and 10 °C.
The weekend
Today, Sunday, in Saint-Ghislain: heavy drizzle, 2 to 11 °C. Next weekend: Saturday overcast, 1 to 9 °C, Sunday drizzle, 6 to 10 °C.
| Day | Weather | Min | Max | Precip. | Wind |
|---|---|---|---|---|---|
| Today | heavy drizzle | 2 °C | 11 °C | 3.3 mm | 27 km/h |
| Sat 21 Nov | overcast | 1 °C | 9 °C | 0.0 mm | 12 km/h |
| Sun 22 Nov | drizzle | 6 °C | 10 °C | 6.4 mm | 28 km/h |
Hour by hour
The next 48 hours in Saint-Ghislain, hour by hour: temperature from 5 to 14 °C, 32.1 mm of rain expected.
| Hour | Weather | Temp. | Precip. | Chance | Wind |
|---|---|---|---|---|---|
| 14:00 | overcast | 9 °C | 0.0 mm | 29 % | 20 km/h |
| 15:00 | light drizzle | 10 °C | 0.4 mm | 57 % | 24 km/h |
| 16:00 | drizzle | 10 °C | 0.8 mm | 78 % | 21 km/h |
| 17:00 | heavy drizzle | 11 °C | 1.0 mm | 87 % | 23 km/h |
| 18:00 | drizzle | 11 °C | 0.8 mm | 89 % | 27 km/h |
| 19:00 | light drizzle | 11 °C | 0.1 mm | 88 % | 20 km/h |
| 20:00 | overcast | 11 °C | 0.0 mm | 86 % | 20 km/h |
| 21:00 | overcast | 11 °C | 0.0 mm | 81 % | 17 km/h |
| 22:00 | overcast | 10 °C | 0.0 mm | 75 % | 17 km/h |
| 23:00 | overcast | 10 °C | 0.0 mm | 67 % | 17 km/h |
| 00:00 | light drizzle | 10 °C | 0.1 mm | 57 % | 19 km/h |
| 01:00 | light drizzle | 10 °C | 0.4 mm | 51 % | 19 km/h |
| 02:00 | overcast | 9 °C | 0.0 mm | 53 % | 22 km/h |
| 03:00 | light rain | 9 °C | 1.3 mm | 58 % | 26 km/h |
| 04:00 | heavy drizzle | 10 °C | 1.0 mm | 59 % | 28 km/h |
| 05:00 | light drizzle | 9 °C | 0.4 mm | 52 % | 26 km/h |
| 06:00 | overcast | 9 °C | 0.0 mm | 42 % | 20 km/h |
| 07:00 | overcast | 8 °C | 0.0 mm | 33 % | 16 km/h |
| 08:00 | overcast | 8 °C | 0.0 mm | 27 % | 16 km/h |
| 09:00 | light drizzle | 8 °C | 0.3 mm | 22 % | 22 km/h |
| 10:00 | overcast | 7 °C | 0.0 mm | 18 % | 19 km/h |
| 11:00 |  partly cloudy | 8 °C | 0.0 mm | 13 % | 18 km/h |
| 12:00 | overcast | 8 °C | 0.0 mm | 9 % | 18 km/h |
| 13:00 | overcast | 8 °C | 0.0 mm | 6 % | 18 km/h |
| 14:00 | overcast | 8 °C | 0.0 mm | 5 % | 18 km/h |
| 15:00 | overcast | 8 °C | 0.0 mm | 4 % | 18 km/h |
| 16:00 | overcast | 7 °C | 0.0 mm | 6 % | 14 km/h |
| 17:00 | overcast | 6 °C | 0.0 mm | 10 % | 8 km/h |
| 18:00 | overcast | 5 °C | 0.0 mm | 16 % | 5 km/h |
| 19:00 | overcast | 5 °C | 0.0 mm | 22 % | 3 km/h |
| 20:00 | overcast | 5 °C | 0.0 mm | 28 % | 6 km/h |
| 21:00 | overcast | 6 °C | 0.0 mm | 35 % | 6 km/h |
| 22:00 | light drizzle | 6 °C | 0.4 mm | 41 % | 6 km/h |
| 23:00 | heavy drizzle | 6 °C | 1.0 mm | 46 % | 8 km/h |
| 00:00 | light rain | 6 °C | 2.2 mm | 52 % | 13 km/h |
| 01:00 | rain | 6 °C | 2.8 mm | 57 % | 14 km/h |
| 02:00 | light rain | 6 °C | 1.5 mm | 63 % | 15 km/h |
| 03:00 | heavy drizzle | 6 °C | 1.0 mm | 70 % | 16 km/h |
| 04:00 | light rain | 6 °C | 1.6 mm | 75 % | 15 km/h |
| 05:00 | rain | 7 °C | 2.6 mm | 79 % | 16 km/h |
| 06:00 | light rain | 7 °C | 2.1 mm | 81 % | 11 km/h |
| 07:00 | light rain | 9 °C | 1.8 mm | 84 % | 2 km/h |
| 08:00 | rain | 13 °C | 3.7 mm | 88 % | 24 km/h |
| 09:00 | light rain | 13 °C | 1.7 mm | 92 % | 26 km/h |
| 10:00 | light rain | 13 °C | 1.8 mm | 94 % | 20 km/h |
| 11:00 | light drizzle | 14 °C | 0.2 mm | 94 % | 22 km/h |
| 12:00 | light drizzle | 14 °C | 0.3 mm | 93 % | 27 km/h |
| 13:00 | drizzle | 14 °C | 0.8 mm | 92 % | 28 km/h |
Location of Saint-Ghislain
Saint-Ghislain lies at 27 m, 69 m below the average of the 69 places we cover in the province of Hainaut (96 m). That makes it the 9th lowest of the 69. The main town, Mons, lies 10 km to the east. The nearest places we cover are Boussu (2 km to the south-west), Quaregnon (3 km to the east), Colfontaine (5 km to the south-east) and Dour (7 km to the south-west). With about 23,311 inhabitants according to GeoNames, Saint-Ghislain is the 11th largest of the 69 places we cover in the province of Hainaut. Of the places of interest on this site, the nearest are Waterloo, Lion’s Mound (sight, 50 km to the north-east) and Sonian Forest (natural site, 56 km to the north-east).
Today is close to the November normal (10.2 °C).
Climate of Saint-Ghislain: 1991–2020 normals
In Saint-Ghislain, July is typically the warmest month (up to 23.2 °C on average), while February is the coldest at 1.6 °C. December sees the most rain, with around 84 mm.
By season (average highs, 1991–2020 normals): winter 7.0 °C and 220 mm of rain, spring 14.7 °C and 174 mm, summer 22.5 °C and 210 mm, autumn 15.0 °C and 194 mm. The wettest season is winter (28 % of the annual total), the driest spring (22 %).
| Max T (°C) | Min T (°C) | Rainfall (mm) | Rainy days | |
|---|---|---|---|---|
| January | 6.6 | 1.7 | 72 | 13 |
| February | 7.6 | 1.6 | 64 | 12 |
| March | 11.2 | 3.4 | 59 | 12 |
| April | 14.8 | 5.8 | 50 | 12 |
| May | 18.2 | 9.3 | 65 | 13 |
| June | 21.1 | 12.3 | 65 | 11 |
| July | 23.2 | 14.4 | 69 | 12 |
| August | 23.1 | 14.2 | 75 | 12 |
| September | 19.7 | 11.6 | 59 | 11 |
| October | 15.2 | 8.6 | 66 | 12 |
| November | 10.2 | 5.0 | 70 | 13 |
| December | 6.9 | 2.3 | 84 | 14 |
Compared with Mons, the main town 10 km to the east, highs in the warmest month are 0.1 °C lower here, and the year brings 25 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: Quaregnon (3 km to the east): equally warm summers and 12 mm wetter a year; Hensies (10 km to the west): summers 0.2 °C cooler and 23 mm drier a year; Jurbise (11 km to the north-east): summers 0.1 °C cooler and 36 mm wetter a year. Among the 69 places we cover in the province of Hainaut whose normals come from the ERA5 reanalysis, Saint-Ghislain ranks 12th for summer warmth and 50th for annual precipitation. The warmest summers are in Enghien and the coolest in Froidchapelle; the wettest year is in Chimay and Momignies and the driest in Rumes.
What is the warmest month in Saint-Ghislain?
The warmest month in Saint-Ghislain is typically July, averaging 23.2 °C (1991–2020 normal). The coldest is February, at 1.6 °C.
How many rainy days does Saint-Ghislain get per year?
Saint-Ghislain sees about 145 rainy days a year, adding up to roughly 798 mm of rainfall (1991–2020 normals).
How big is the gap between summer and winter in Saint-Ghislain?
Between July and February, the temperature gap in Saint-Ghislain runs to about 21.6 °C, based on the 1991–2020 normals.