Weather in Olen
Antwerp, 18 m · continuously updated
Retie (12 km) · 9 °C · KMI/IRM 14:00
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- Humidity
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Temperature · last 4 and next 28 hours
Olen weather: the next 24 hours
Updated hourly.
Olen 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 Olen
Neighbouring towns, as the crow flies.
Official weather warnings
No active warning for Antwerp.
Updated 15 Nov 13:48.
Is there an active weather warning for Olen?
No active warning for Antwerp.
Latest RMI observation near Olen
Measured at Retie, 12 km from Olen: situation as of 15 November 2026, 14:00. Retie 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 | 9.0 °C |
| Wind | 13 km/h S |
| Gusts | 26 km/h |
| Rain, last hour | 0.0 mm |
| Humidity | 83 % |
| Pressure | 1004 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 Olen
The weather station nearest to Olen, Deurne located 14 m above sea level, is 29 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 Olen
- 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 (2.3 mm, up to 94 % 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 4.9 °C; once warmed to 20 °C, that air holds only 37 % humidity, against 50 % in a typical home: opening the windows dries the house. How it is calculated
- Garden: 21.2 mm of rain expected within 48 h, against a need of 0.9 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 Olen
Today (Sunday 15 Nov) in Olen: light rain, 1 to 10 °C, precipitation 3.3 mm (94 %), wind up to 18 km/h. Tomorrow: rain, 3 to 10 °C.
| Day | Weather | Min | Max | Precip. | Wind |
|---|---|---|---|---|---|
| Today | light rain | 1 °C | 10 °C | 3.3 mm | 18 km/h |
| Tomorrow | rain | 3 °C | 10 °C | 6.9 mm | 24 km/h |
| Tue 17 Nov | rain | 4 °C | 14 °C | 12.3 mm | 31 km/h |
| Wed 18 Nov | drizzle | 8 °C | 11 °C | 4.5 mm | 24 km/h |
| Thu 19 Nov | showers | 8 °C | 11 °C | 17.0 mm | 22 km/h |
| Fri 20 Nov | showers | 1 °C | 7 °C | 11.7 mm | 14 km/h |
| Sat 21 Nov | partly cloudy | 0 °C | 9 °C | 0.0 mm | 9 km/h |
Tomorrow's weather in Olen
Tomorrow, Monday 16 Nov, in Olen: rain, from 3 to 10 °C, 6.9 mm of precipitation (probability 72 %), wind up to 24 km/h.
| Hour | Weather | Temp. | Precip. | Chance | Wind |
|---|---|---|---|---|---|
| 00:00 |  overcast | 10 °C | 0.0 mm | 61 % | 12 km/h |
| 03:00 |  light drizzle | 9 °C | 0.2 mm | 64 % | 16 km/h |
| 06:00 | drizzle | 9 °C | 0.6 mm | 72 % | 24 km/h |
| 09:00 | overcast | 8 °C | 0.0 mm | 58 % | 23 km/h |
| 12:00 | overcast | 8 °C | 0.0 mm | 42 % | 21 km/h |
| 15:00 | overcast | 7 °C | 0.0 mm | 24 % | 17 km/h |
| 18:00 | overcast | 4 °C | 0.0 mm | 11 % | 12 km/h |
| 21:00 | overcast | 3 °C | 0.0 mm | 15 % | 8 km/h |
Frequently asked questions
Will it rain tomorrow in Olen?
Yes: 6.9 mm expected, probability 72 %.
How warm will it be tomorrow in Olen?
Between 3 and 10 °C.
The weekend
Today, Sunday, in Olen: light rain, 1 to 10 °C. Next weekend: Saturday partly cloudy, 0 to 9 °C, Sunday drizzle, 3 to 9 °C.
| Day | Weather | Min | Max | Precip. | Wind |
|---|---|---|---|---|---|
| Today |  light rain | 1 °C | 10 °C | 3.3 mm | 18 km/h |
| Sat 21 Nov |  partly cloudy | 0 °C | 9 °C | 0.0 mm | 9 km/h |
| Sun 22 Nov | drizzle | 3 °C | 9 °C | 6.4 mm | 20 km/h |
Hour by hour
The next 48 hours in Olen, hour by hour: temperature from 3 to 11 °C, 21.2 mm of rain expected.
| Hour | Weather | Temp. | Precip. | Chance | Wind |
|---|---|---|---|---|---|
| 14:00 | overcast | 8 °C | 0.0 mm | 7 % | 14 km/h |
| 15:00 | overcast | 9 °C | 0.0 mm | 13 % | 15 km/h |
| 16:00 | overcast | 9 °C | 0.0 mm | 25 % | 17 km/h |
| 17:00 | drizzle | 9 °C | 0.9 mm | 48 % | 15 km/h |
| 18:00 | light rain | 9 °C | 1.3 mm | 76 % | 15 km/h |
| 19:00 | heavy drizzle | 10 °C | 1.0 mm | 94 % | 18 km/h |
| 20:00 | overcast | 10 °C | 0.0 mm | 93 % | 15 km/h |
| 21:00 | overcast | 10 °C | 0.0 mm | 81 % | 13 km/h |
| 22:00 | overcast | 10 °C | 0.0 mm | 71 % | 14 km/h |
| 23:00 | overcast | 10 °C | 0.0 mm | 65 % | 14 km/h |
| 00:00 | overcast | 10 °C | 0.0 mm | 61 % | 12 km/h |
| 01:00 | overcast | 10 °C | 0.0 mm | 59 % | 13 km/h |
| 02:00 | light drizzle | 9 °C | 0.2 mm | 60 % | 14 km/h |
| 03:00 | light drizzle | 9 °C | 0.2 mm | 64 % | 16 km/h |
| 04:00 | heavy drizzle | 9 °C | 1.0 mm | 67 % | 14 km/h |
| 05:00 | rain | 9 °C | 3.0 mm | 70 % | 18 km/h |
| 06:00 | drizzle | 9 °C | 0.6 mm | 72 % | 24 km/h |
| 07:00 | heavy drizzle | 8 °C | 1.0 mm | 71 % | 20 km/h |
| 08:00 | drizzle | 8 °C | 0.9 mm | 66 % | 24 km/h |
| 09:00 | overcast | 8 °C | 0.0 mm | 58 % | 23 km/h |
| 10:00 | overcast | 8 °C | 0.0 mm | 51 % | 20 km/h |
| 11:00 | overcast | 8 °C | 0.0 mm | 46 % | 23 km/h |
| 12:00 | overcast | 8 °C | 0.0 mm | 42 % | 21 km/h |
| 13:00 | partly cloudy | 8 °C | 0.0 mm | 37 % | 20 km/h |
| 14:00 | overcast | 8 °C | 0.0 mm | 31 % | 19 km/h |
| 15:00 | overcast | 7 °C | 0.0 mm | 24 % | 17 km/h |
| 16:00 |  sunny | 7 °C | 0.0 mm | 18 % | 17 km/h |
| 17:00 | sunny | 6 °C | 0.0 mm | 14 % | 16 km/h |
| 18:00 | overcast | 4 °C | 0.0 mm | 11 % | 12 km/h |
| 19:00 | overcast | 4 °C | 0.0 mm | 10 % | 13 km/h |
| 20:00 | overcast | 4 °C | 0.0 mm | 12 % | 11 km/h |
| 21:00 | overcast | 3 °C | 0.0 mm | 15 % | 8 km/h |
| 22:00 | overcast | 3 °C | 0.0 mm | 20 % | 7 km/h |
| 23:00 | overcast | 4 °C | 0.0 mm | 26 % | 7 km/h |
| 00:00 | overcast | 4 °C | 0.0 mm | 33 % | 7 km/h |
| 01:00 | drizzle | 4 °C | 0.5 mm | 39 % | 8 km/h |
| 02:00 | drizzle | 4 °C | 0.9 mm | 44 % | 9 km/h |
| 03:00 | drizzle | 4 °C | 0.8 mm | 49 % | 11 km/h |
| 04:00 | light drizzle | 4 °C | 0.3 mm | 55 % | 16 km/h |
| 05:00 | light drizzle | 4 °C | 0.4 mm | 63 % | 15 km/h |
| 06:00 | light rain | 4 °C | 1.4 mm | 72 % | 18 km/h |
| 07:00 | rain | 4 °C | 3.0 mm | 80 % | 19 km/h |
| 08:00 | rain | 5 °C | 3.0 mm | 85 % | 18 km/h |
| 09:00 | drizzle | 5 °C | 0.6 mm | 88 % | 13 km/h |
| 10:00 | light drizzle | 5 °C | 0.2 mm | 90 % | 9 km/h |
| 11:00 | overcast | 6 °C | 0.0 mm | 89 % | 5 km/h |
| 12:00 |  fog | 6 °C | 0.0 mm | 86 % | 7 km/h |
| 13:00 | partly cloudy | 11 °C | 0.0 mm | 84 % | 18 km/h |
Location of Olen
Olen lies at 18 m, close to the average of the 67 places we cover in the province of Antwerp (16 m). That makes it the 32nd highest of the 67. The main town, Antwerp, lies 34 km to the west. The nearest places we cover are Herentals (4 km to the west), Geel (7 km to the east), Westerlo (9 km to the south) and Vorselaar (9 km to the north-west). With about 12,505 inhabitants according to GeoNames, Olen is the 49th largest of the 67 places we cover in the province of Antwerp. Of the places of interest on this site, the nearest are Werchter, Rock Werchter (circuit or festival, 25 km to the south-west) and Bokrijk (sight, 43 km to the south-east).
Today is close to the November normal (9.9 °C).
Climate of Olen: 1991–2020 normals
In Olen, July is typically the warmest month (up to 23.2 °C on average), while January is the coldest at 1.3 °C. August sees the most rain, with around 84 mm.
By season (average highs, 1991–2020 normals): winter 6.6 °C and 220 mm of rain, spring 14.7 °C and 171 mm, summer 22.5 °C and 236 mm, autumn 14.8 °C and 205 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 | 1.3 | 73 | 13 |
| February | 7.2 | 1.3 | 65 | 12 |
| March | 10.8 | 3.2 | 60 | 12 |
| April | 14.9 | 5.7 | 48 | 11 |
| May | 18.5 | 9.4 | 63 | 13 |
| June | 21.2 | 12.4 | 73 | 12 |
| July | 23.2 | 14.5 | 80 | 13 |
| August | 23.0 | 14.2 | 84 | 13 |
| September | 19.5 | 11.6 | 66 | 11 |
| October | 14.9 | 8.4 | 69 | 12 |
| November | 9.9 | 4.8 | 70 | 13 |
| December | 6.5 | 2.0 | 83 | 14 |
Compared with Antwerp, the main town 34 km to the west, highs in the warmest month are the same here, and the year brings 10 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: Herentals (4 km to the west): equally warm summers and 14 mm drier a year; Geel (7 km to the east): equally warm summers and 15 mm drier a year; Westerlo (9 km to the south): summers 0.1 °C warmer and 12 mm drier a year. Among the 67 places we cover in the province of Antwerp whose normals come from the ERA5 reanalysis, Olen ranks 32nd for summer warmth and 7th for annual precipitation. The warmest summers are in Mechelen and Bonheiden and the coolest in Essen; the wettest year is in Hove and the driest in Essen.
What is the warmest month in Olen?
The warmest month in Olen is typically July, averaging 23.2 °C (1991–2020 normal). The coldest is January, at 1.3 °C.
How many rainy days does Olen get per year?
Olen sees about 149 rainy days a year, adding up to roughly 833 mm of rainfall (1991–2020 normals).
How big is the gap between summer and winter in Olen?
Between July and January, the temperature gap in Olen runs to about 21.9 °C, based on the 1991–2020 normals.