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Weather in Jemeppe-sur-Sambre
Namur, 96 m · continuously updated
Ernage (13 km) · 8 °C · KMI/IRM 13:00
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Temperature · last 4 and next 28 hours
Jemeppe-sur-Sambre weather: the next 24 hours
Updated hourly.
Jemeppe-sur-Sambre 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 Jemeppe-sur-Sambre
Neighbouring towns, as the crow flies.
Official weather warnings
No active warning for Namur.
Updated 15 Nov 13:48.
Is there an active weather warning for Jemeppe-sur-Sambre?
No active warning for Namur.
Latest RMI observation near Jemeppe-sur-Sambre
Measured at Ernage, 13 km from Jemeppe-sur-Sambre: situation as of 15 November 2026, 13:00. Ernage 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, 13:00 |
|---|---|
| Temperature | 8.3 °C |
| Wind | 19 km/h S |
| Gusts | 47 km/h |
| Rain, last hour | 0.0 mm |
| Humidity | 83 % |
| Pressure | 1005 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
Today in Jemeppe-sur-Sambre
- 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 (1.6 mm, up to 99 % 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 2.9 °C; once warmed to 20 °C, that air holds only 32 % humidity, against 50 % in a typical home: opening the windows dries the house. How it is calculated
- Garden: 38.7 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 Jemeppe-sur-Sambre
Today (Sunday 15 Nov) in Jemeppe-sur-Sambre: heavy drizzle, 3 to 11 °C, precipitation 2.3 mm (99 %), wind up to 20 km/h. Tomorrow: rain, 4 to 10 °C.
| Day | Weather | Min | Max | Precip. | Wind |
|---|---|---|---|---|---|
| Today | heavy drizzle | 3 °C | 11 °C | 2.3 mm | 20 km/h |
| Tomorrow | rain | 4 °C | 10 °C | 9.2 mm | 27 km/h |
| Tue 17 Nov | rain | 5 °C | 14 °C | 28.3 mm | 34 km/h |
| Wed 18 Nov | light drizzle | 8 °C | 11 °C | 2.2 mm | 27 km/h |
| Thu 19 Nov | showers | 8 °C | 9 °C | 12.1 mm | 25 km/h |
| Fri 20 Nov | showers | 3 °C | 9 °C | 11.4 mm | 24 km/h |
| Sat 21 Nov | overcast | 0 °C | 8 °C | 0.0 mm | 12 km/h |
Tomorrow's weather in Jemeppe-sur-Sambre
Tomorrow, Monday 16 Nov, in Jemeppe-sur-Sambre: rain, from 4 to 10 °C, 9.2 mm of precipitation (probability 67 %), wind up to 27 km/h.
| Hour | Weather | Temp. | Precip. | Chance | Wind |
|---|---|---|---|---|---|
| 00:00 |  rain | 10 °C | 2.9 mm | 66 % | 13 km/h |
| 03:00 |  overcast | 9 °C | 0.0 mm | 65 % | 22 km/h |
| 06:00 |  light drizzle | 9 °C | 0.3 mm | 58 % | 26 km/h |
| 09:00 | overcast | 8 °C | 0.0 mm | 43 % | 20 km/h |
| 12:00 | overcast | 8 °C | 0.0 mm | 33 % | 20 km/h |
| 15:00 | overcast | 7 °C | 0.0 mm | 17 % | 19 km/h |
| 18:00 | overcast | 5 °C | 0.0 mm | 11 % | 9 km/h |
| 21:00 | overcast | 5 °C | 0.0 mm | 31 % | 4 km/h |
Frequently asked questions
Will it rain tomorrow in Jemeppe-sur-Sambre?
Yes: 9.2 mm expected, probability 67 %.
How warm will it be tomorrow in Jemeppe-sur-Sambre?
Between 4 and 10 °C.
The weekend
Today, Sunday, in Jemeppe-sur-Sambre: heavy drizzle, 3 to 11 °C. Next weekend: Saturday overcast, 0 to 8 °C, Sunday drizzle, 4 to 9 °C.
| Day | Weather | Min | Max | Precip. | Wind |
|---|---|---|---|---|---|
| Today | heavy drizzle | 3 °C | 11 °C | 2.3 mm | 20 km/h |
| Sat 21 Nov | overcast | 0 °C | 8 °C | 0.0 mm | 12 km/h |
| Sun 22 Nov | drizzle | 4 °C | 9 °C | 5.0 mm | 26 km/h |
Hour by hour
The next 48 hours in Jemeppe-sur-Sambre, hour by hour: temperature from 4 to 14 °C, 38.7 mm of rain expected.
| Hour | Weather | Temp. | Precip. | Chance | Wind |
|---|---|---|---|---|---|
| 14:00 | overcast | 9 °C | 0.0 mm | 6 % | 18 km/h |
| 15:00 | overcast | 9 °C | 0.0 mm | 17 % | 19 km/h |
| 16:00 | light drizzle | 10 °C | 0.2 mm | 31 % | 19 km/h |
| 17:00 | light drizzle | 10 °C | 0.4 mm | 53 % | 19 km/h |
| 18:00 | heavy drizzle | 11 °C | 1.2 mm | 79 % | 19 km/h |
| 19:00 | light drizzle | 11 °C | 0.3 mm | 96 % | 20 km/h |
| 20:00 | light drizzle | 10 °C | 0.1 mm | 99 % | 17 km/h |
| 21:00 | overcast | 10 °C | 0.0 mm | 93 % | 14 km/h |
| 22:00 | overcast | 10 °C | 0.0 mm | 86 % | 16 km/h |
| 23:00 | overcast | 10 °C | 0.0 mm | 77 % | 9 km/h |
| 00:00 | rain | 10 °C | 2.9 mm | 66 % | 13 km/h |
| 01:00 | light rain | 9 °C | 1.4 mm | 59 % | 13 km/h |
| 02:00 | light drizzle | 9 °C | 0.3 mm | 60 % | 19 km/h |
| 03:00 | overcast | 9 °C | 0.0 mm | 65 % | 22 km/h |
| 04:00 | light rain | 9 °C | 1.7 mm | 67 % | 23 km/h |
| 05:00 | heavy drizzle | 9 °C | 1.1 mm | 64 % | 27 km/h |
| 06:00 | light drizzle | 9 °C | 0.3 mm | 58 % | 26 km/h |
| 07:00 | light drizzle | 8 °C | 0.2 mm | 53 % | 21 km/h |
| 08:00 | light drizzle | 8 °C | 0.3 mm | 48 % | 20 km/h |
| 09:00 | overcast | 8 °C | 0.0 mm | 43 % | 20 km/h |
| 10:00 | light drizzle | 8 °C | 0.1 mm | 39 % | 20 km/h |
| 11:00 |  sunny | 7 °C | 0.0 mm | 36 % | 23 km/h |
| 12:00 | overcast | 8 °C | 0.0 mm | 33 % | 20 km/h |
| 13:00 | overcast | 8 °C | 0.0 mm | 29 % | 20 km/h |
| 14:00 | overcast | 8 °C | 0.0 mm | 23 % | 21 km/h |
| 15:00 | overcast | 7 °C | 0.0 mm | 17 % | 19 km/h |
| 16:00 | sunny | 7 °C | 0.0 mm | 12 % | 17 km/h |
| 17:00 | overcast | 6 °C | 0.0 mm | 10 % | 12 km/h |
| 18:00 | overcast | 5 °C | 0.0 mm | 11 % | 9 km/h |
| 19:00 | overcast | 4 °C | 0.0 mm | 14 % | 6 km/h |
| 20:00 | overcast | 4 °C | 0.0 mm | 21 % | 4 km/h |
| 21:00 | overcast | 5 °C | 0.0 mm | 31 % | 4 km/h |
| 22:00 | light drizzle | 5 °C | 0.1 mm | 39 % | 6 km/h |
| 23:00 | drizzle | 5 °C | 0.8 mm | 43 % | 6 km/h |
| 00:00 | heavy drizzle | 5 °C | 1.2 mm | 45 % | 6 km/h |
| 01:00 | rain | 5 °C | 2.6 mm | 49 % | 9 km/h |
| 02:00 | rain | 5 °C | 2.7 mm | 55 % | 12 km/h |
| 03:00 | heavy drizzle | 5 °C | 1.2 mm | 62 % | 12 km/h |
| 04:00 | drizzle | 6 °C | 0.7 mm | 69 % | 12 km/h |
| 05:00 | light rain | 6 °C | 2.3 mm | 75 % | 10 km/h |
| 06:00 | light rain | 6 °C | 2.4 mm | 81 % | 8 km/h |
| 07:00 | light rain | 8 °C | 2.0 mm | 86 % | 8 km/h |
| 08:00 | rain | 11 °C | 3.2 mm | 89 % | 16 km/h |
| 09:00 | rain | 13 °C | 3.1 mm | 91 % | 23 km/h |
| 10:00 | light rain | 13 °C | 2.2 mm | 92 % | 21 km/h |
| 11:00 | rain | 13 °C | 3.6 mm | 93 % | 22 km/h |
| 12:00 | overcast | 14 °C | 0.0 mm | 94 % | 27 km/h |
| 13:00 | light drizzle | 14 °C | 0.1 mm | 94 % | 29 km/h |
Location of Jemeppe-sur-Sambre
Jemeppe-sur-Sambre lies at 96 m, 98 m below the average of the 38 places we cover in the province of Namur (194 m). That makes it the 8th lowest of the 38. The main town, Namur, lies 15 km to the east. The nearest places we cover are Sambreville (4 km to the south-west), Floreffe (7 km to the south-east), Fosses-la-Ville (8 km to the south) and Fleurus (8 km to the west). With about 19,190 inhabitants according to GeoNames, Jemeppe-sur-Sambre is the 5th largest of the 38 places we cover in the province of Namur. Of the places of interest on this site, the nearest are Villers Abbey (sight, 16 km to the north-west) and Sonian Forest (natural site, 40 km to the north-west).
Today is close to the November normal (9.9 °C).
Climate of Jemeppe-sur-Sambre: 1991–2020 normals
In Jemeppe-sur-Sambre, July is typically the warmest month (up to 23.3 °C on average), while February is the coldest at 1.3 °C. December sees the most rain, with around 90 mm.
By season (average highs, 1991–2020 normals): winter 6.6 °C and 234 mm of rain, spring 14.7 °C and 179 mm, summer 22.6 °C and 244 mm, autumn 14.8 °C and 210 mm. The wettest season is summer (28 % of the annual total), the driest spring (21 %).
| Max T (°C) | Min T (°C) | Rainfall (mm) | Rainy days | |
|---|---|---|---|---|
| January | 6.1 | 1.4 | 76 | 14 |
| February | 7.2 | 1.3 | 68 | 12 |
| March | 11.0 | 3.2 | 63 | 13 |
| April | 14.9 | 5.9 | 52 | 12 |
| May | 18.3 | 9.3 | 64 | 13 |
| June | 21.2 | 12.3 | 74 | 12 |
| July | 23.3 | 14.5 | 82 | 13 |
| August | 23.2 | 14.2 | 88 | 13 |
| September | 19.6 | 11.2 | 68 | 12 |
| October | 14.9 | 8.3 | 70 | 12 |
| November | 9.9 | 4.6 | 72 | 13 |
| December | 6.5 | 2.0 | 90 | 15 |
Compared with Namur, the main town 15 km to the east, highs in the warmest month are 0.3 °C higher here, and the year brings 9 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: Sambreville (4 km to the south-west): almost identical normals; Floreffe (7 km to the south-east): equally warm summers and 16 mm drier a year; Fosses-la-Ville (8 km to the south): summers 0.8 °C cooler and 16 mm drier a year. Among the 38 places we cover in the province of Namur whose normals come from the ERA5 reanalysis, Jemeppe-sur-Sambre ranks 1st for summer warmth and 15th for annual precipitation. The warmest summers are in Jemeppe-sur-Sambre and the coolest in Viroinval; the wettest year is in Bièvre and the driest in Hastière and Onhaye.
What is the warmest month in Jemeppe-sur-Sambre?
The warmest month in Jemeppe-sur-Sambre is typically July, averaging 23.3 °C (1991–2020 normal). The coldest is February, at 1.3 °C.
How many rainy days does Jemeppe-sur-Sambre get per year?
Jemeppe-sur-Sambre sees about 155 rainy days a year, adding up to roughly 867 mm of rainfall (1991–2020 normals).
How big is the gap between summer and winter in Jemeppe-sur-Sambre?
Between July and February, the temperature gap in Jemeppe-sur-Sambre runs to about 22.0 °C, based on the 1991–2020 normals.