Weather in Herstal
Liège, 70 m · continuously updated
Bierset (12 km) · 9 °C · KMI/IRM 14:00
- Wind
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- Humidity
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- Rain ahead
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- Sunset
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Temperature · last 4 and next 28 hours
Herstal weather: the next 24 hours
Updated hourly.
Herstal 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 Herstal
Neighbouring towns, as the crow flies.
Official weather warnings
No active warning for Liège.
Updated 15 Nov 13:48.
Is there an active weather warning for Herstal?
No active warning for Liège.
Latest RMI observation near Herstal
Measured at Bierset, 12 km from Herstal: situation as of 15 November 2026, 14:00. Bierset 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 | 29 km/h S |
| Gusts | 47 km/h |
| Rain, last hour | — |
| Humidity | — |
| 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
The observed climate near Herstal
The weather station nearest to Herstal, Bierset located 178 m above sea level, is 13 km away; its records cover 1954–2013. In November, the mean temperature there is 6.5 °C over 1991–2020, 1.1 °C more than over 1961–1990 (5.4 °C), with about – mm of rain. The warmest month ever measured is July 2006 (23.3 °C), the coldest February 1956 (−8.0 °C). See the full series of Bierset
Today in Herstal
- 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 (2.5 mm, up to 85 % 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 3.1 °C; once warmed to 20 °C, that air holds only 33 % humidity, against 50 % in a typical home: opening the windows dries the house. How it is calculated
- Garden: 37.7 mm of rain expected within 48 h, against a need of 1.6 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 Herstal
Today (Sunday 15 Nov) in Herstal: light rain, 4 to 11 °C, precipitation 2.7 mm (85 %), wind up to 22 km/h. Tomorrow: light rain, 5 to 10 °C.
| Day | Weather | Min | Max | Precip. | Wind |
|---|---|---|---|---|---|
| Today | light rain | 4 °C | 11 °C | 2.7 mm | 22 km/h |
| Tomorrow | light rain | 5 °C | 10 °C | 5.7 mm | 30 km/h |
| Tue 17 Nov | heavy rain | 6 °C | 14 °C | 32.2 mm | 29 km/h |
| Wed 18 Nov | light drizzle | 8 °C | 11 °C | 1.8 mm | 26 km/h |
| Thu 19 Nov | showers | 8 °C | 10 °C | 12.7 mm | 25 km/h |
| Fri 20 Nov | showers | 4 °C | 9 °C | 27.5 mm | 18 km/h |
| Sat 21 Nov | overcast | 1 °C | 9 °C | 0.0 mm | 12 km/h |
Tomorrow's weather in Herstal
Tomorrow, Monday 16 Nov, in Herstal: light rain, from 5 to 10 °C, 5.7 mm of precipitation (probability 78 %), wind up to 30 km/h.
| Hour | Weather | Temp. | Precip. | Chance | Wind |
|---|---|---|---|---|---|
| 00:00 |  overcast | 10 °C | 0.0 mm | 78 % | 15 km/h |
| 03:00 |  light drizzle | 10 °C | 0.2 mm | 71 % | 20 km/h |
| 06:00 | drizzle | 10 °C | 0.6 mm | 71 % | 30 km/h |
| 09:00 | overcast | 8 °C | 0.0 mm | 61 % | 26 km/h |
| 12:00 |  sunny | 8 °C | 0.0 mm | 43 % | 20 km/h |
| 15:00 | mostly sunny | 8 °C | 0.0 mm | 25 % | 19 km/h |
| 18:00 | overcast | 6 °C | 0.0 mm | 14 % | 16 km/h |
| 21:00 | overcast | 5 °C | 0.0 mm | 22 % | 8 km/h |
Frequently asked questions
Will it rain tomorrow in Herstal?
Yes: 5.7 mm expected, probability 78 %.
How warm will it be tomorrow in Herstal?
Between 5 and 10 °C.
The weekend
Today, Sunday, in Herstal: light rain, 4 to 11 °C. Next weekend: Saturday overcast, 1 to 9 °C, Sunday light drizzle, 4 to 10 °C.
| Day | Weather | Min | Max | Precip. | Wind |
|---|---|---|---|---|---|
| Today |  light rain | 4 °C | 11 °C | 2.7 mm | 22 km/h |
| Sat 21 Nov | overcast | 1 °C | 9 °C | 0.0 mm | 12 km/h |
| Sun 22 Nov | light drizzle | 4 °C | 10 °C | 3.4 mm | 22 km/h |
Hour by hour
The next 48 hours in Herstal, hour by hour: temperature from 5 to 14 °C, 37.7 mm of rain expected.
| Hour | Weather | Temp. | Precip. | Chance | Wind |
|---|---|---|---|---|---|
| 14:00 | overcast | 10 °C | 0.0 mm | 0 % | 22 km/h |
| 15:00 | overcast | 10 °C | 0.0 mm | 1 % | 22 km/h |
| 16:00 | overcast | 10 °C | 0.0 mm | 10 % | 22 km/h |
| 17:00 | light drizzle | 10 °C | 0.1 mm | 31 % | 19 km/h |
| 18:00 | light drizzle | 10 °C | 0.3 mm | 60 % | 18 km/h |
| 19:00 | light rain | 10 °C | 1.3 mm | 80 % | 20 km/h |
| 20:00 | drizzle | 11 °C | 0.6 mm | 85 % | 18 km/h |
| 21:00 | light drizzle | 11 °C | 0.1 mm | 83 % | 16 km/h |
| 22:00 | light drizzle | 10 °C | 0.2 mm | 80 % | 13 km/h |
| 23:00 | light drizzle | 10 °C | 0.1 mm | 79 % | 16 km/h |
| 00:00 | overcast | 10 °C | 0.0 mm | 78 % | 15 km/h |
| 01:00 | drizzle | 10 °C | 0.6 mm | 76 % | 14 km/h |
| 02:00 | light rain | 10 °C | 1.9 mm | 74 % | 12 km/h |
| 03:00 | light drizzle | 10 °C | 0.2 mm | 71 % | 20 km/h |
| 04:00 | light drizzle | 10 °C | 0.1 mm | 69 % | 20 km/h |
| 05:00 | heavy drizzle | 10 °C | 1.2 mm | 70 % | 24 km/h |
| 06:00 | drizzle | 10 °C | 0.6 mm | 71 % | 30 km/h |
| 07:00 | drizzle | 9 °C | 0.9 mm | 71 % | 26 km/h |
| 08:00 | light drizzle | 9 °C | 0.2 mm | 67 % | 24 km/h |
| 09:00 | overcast | 8 °C | 0.0 mm | 61 % | 26 km/h |
| 10:00 | overcast | 8 °C | 0.0 mm | 55 % | 23 km/h |
| 11:00 | overcast | 8 °C | 0.0 mm | 49 % | 20 km/h |
| 12:00 | sunny | 8 °C | 0.0 mm | 43 % | 20 km/h |
| 13:00 | overcast | 8 °C | 0.0 mm | 37 % | 23 km/h |
| 14:00 | overcast | 8 °C | 0.0 mm | 31 % | 22 km/h |
| 15:00 | mostly sunny | 8 °C | 0.0 mm | 25 % | 19 km/h |
| 16:00 | overcast | 8 °C | 0.0 mm | 20 % | 20 km/h |
| 17:00 | overcast | 7 °C | 0.0 mm | 16 % | 16 km/h |
| 18:00 | overcast | 6 °C | 0.0 mm | 14 % | 16 km/h |
| 19:00 | overcast | 5 °C | 0.0 mm | 14 % | 14 km/h |
| 20:00 | overcast | 5 °C | 0.0 mm | 17 % | 8 km/h |
| 21:00 | overcast | 5 °C | 0.0 mm | 22 % | 8 km/h |
| 22:00 | overcast | 5 °C | 0.0 mm | 27 % | 7 km/h |
| 23:00 | overcast | 6 °C | 0.0 mm | 33 % | 8 km/h |
| 00:00 | drizzle | 6 °C | 0.5 mm | 39 % | 8 km/h |
| 01:00 | heavy drizzle | 6 °C | 1.2 mm | 45 % | 9 km/h |
| 02:00 | light rain | 6 °C | 1.6 mm | 52 % | 7 km/h |
| 03:00 | rain | 6 °C | 2.6 mm | 59 % | 9 km/h |
| 04:00 | light drizzle | 6 °C | 0.4 mm | 65 % | 5 km/h |
| 05:00 | light drizzle | 7 °C | 0.2 mm | 71 % | 6 km/h |
| 06:00 | light rain | 7 °C | 1.4 mm | 76 % | 6 km/h |
| 07:00 | rain | 8 °C | 2.6 mm | 80 % | 7 km/h |
| 08:00 | rain | 9 °C | 3.9 mm | 84 % | 9 km/h |
| 09:00 | heavy rain | 10 °C | 8.0 mm | 88 % | 13 km/h |
| 10:00 | rain | 12 °C | 3.9 mm | 90 % | 19 km/h |
| 11:00 | rain | 13 °C | 2.5 mm | 91 % | 21 km/h |
| 12:00 | drizzle | 13 °C | 0.5 mm | 90 % | 20 km/h |
| 13:00 | overcast | 14 °C | 0.0 mm | 90 % | 23 km/h |
Location of Herstal
Herstal lies at 70 m, 140 m below the average of the 84 places we cover in the province of Liège (210 m). That makes it the 4th lowest of the 84. The main town, Liège, lies 5 km to the south-west. The nearest places we cover are Beyne-Heusay (5 km to the south-east), Oupeye (5 km to the north), Fléron (6 km to the south-east) and Blégny (7 km to the east). With about 39,989 inhabitants according to GeoNames, Herstal is the 4th largest of the 84 places we cover in the province of Liège. Of the places of interest on this site, the nearest are Lake Gileppe (natural site, 27 km to the east) and Spa-Francorchamps circuit (circuit or festival, 32 km to the south-east).
Today is close to the November normal (9.6 °C).
Climate of Herstal: 1991–2020 normals
In Herstal, July is typically the warmest month (up to 22.7 °C on average), while January is the coldest at 0.8 °C. December sees the most rain, with around 82 mm.
By season (average highs, 1991–2020 normals): winter 6.2 °C and 216 mm of rain, spring 14.1 °C and 179 mm, summer 21.9 °C and 230 mm, autumn 14.4 °C and 192 mm. The wettest season is summer (28 % of the annual total), the driest spring (22 %).
| Max T (°C) | Min T (°C) | Rainfall (mm) | Rainy days | |
|---|---|---|---|---|
| January | 5.6 | 0.8 | 70 | 13 |
| February | 6.7 | 0.8 | 64 | 12 |
| March | 10.3 | 2.6 | 65 | 13 |
| April | 14.2 | 5.2 | 51 | 11 |
| May | 17.8 | 9.0 | 64 | 13 |
| June | 20.6 | 12.0 | 73 | 13 |
| July | 22.7 | 14.2 | 79 | 13 |
| August | 22.5 | 14.1 | 78 | 12 |
| September | 19.0 | 11.3 | 62 | 11 |
| October | 14.5 | 8.4 | 63 | 12 |
| November | 9.6 | 4.6 | 67 | 13 |
| December | 6.2 | 1.9 | 82 | 14 |
Compared with Liège, the main town 5 km to the south-west, highs in the warmest month are 0.1 °C higher here, and the year brings 69 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: Beyne-Heusay (5 km to the south-east): summers 1.0 °C cooler and 186 mm wetter a year; Blégny (7 km to the east): summers 0.9 °C cooler and 37 mm wetter a year; Saint-Nicolas (8 km to the south-west): summers 0.2 °C cooler and 69 mm wetter a year. Among the 84 places we cover in the province of Liège whose normals come from the ERA5 reanalysis, Herstal ranks 7th for summer warmth and 73rd for annual precipitation. The warmest summers are in Lincent and the coolest in Waimes; the wettest year is in Waimes and the driest in Remicourt.
What is the warmest month in Herstal?
The warmest month in Herstal is typically July, averaging 22.7 °C (1991–2020 normal). The coldest is January, at 0.8 °C.
How many rainy days does Herstal get per year?
Herstal sees about 151 rainy days a year, adding up to roughly 817 mm of rainfall (1991–2020 normals).
How big is the gap between summer and winter in Herstal?
Between July and January, the temperature gap in Herstal runs to about 21.9 °C, based on the 1991–2020 normals.