Weather in Kasterlee
Antwerp, 20 m · continuously updated
Retie (5 km) · 9 °C · KMI/IRM 14:00
- Wind
- –
- Humidity
- –
- Rain ahead
- –
- Sunset
- –
Temperature · last 4 and next 28 hours
Kasterlee weather: the next 24 hours
Updated hourly.
Kasterlee 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 Kasterlee
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 Kasterlee?
No active warning for Antwerp.
Latest RMI observation near Kasterlee
Measured at Retie, 5 km from Kasterlee: 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
Today in Kasterlee
- 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 (2.4 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 11:00 and 14:00. The outdoor dew point drops to 5.1 °C; once warmed to 20 °C, that air holds only 38 % humidity, against 50 % in a typical home: opening the windows dries the house. How it is calculated
- Garden: 21.9 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 Kasterlee
Today (Sunday 15 Nov) in Kasterlee: light rain, 0 to 10 °C, precipitation 3.4 mm (94 %), wind up to 18 km/h. Tomorrow: rain, 3 to 10 °C.
| Day | Weather | Min | Max | Precip. | Wind |
|---|---|---|---|---|---|
| Today | light rain | 0 °C | 10 °C | 3.4 mm | 18 km/h |
| Tomorrow | rain | 3 °C | 10 °C | 7.1 mm | 22 km/h |
| Tue 17 Nov | rain | 3 °C | 13 °C | 15.0 mm | 29 km/h |
| Wed 18 Nov | drizzle | 8 °C | 11 °C | 4.7 mm | 24 km/h |
| Thu 19 Nov | showers | 7 °C | 11 °C | 15.2 mm | 22 km/h |
| Fri 20 Nov | showers | 0 °C | 7 °C | 11.4 mm | 14 km/h |
| Sat 21 Nov | partly cloudy | 0 °C | 9 °C | 0.0 mm | 9 km/h |
Tomorrow's weather in Kasterlee
Tomorrow, Monday 16 Nov, in Kasterlee: rain, from 3 to 10 °C, 7.1 mm of precipitation (probability 72 %), wind up to 22 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 | 0.3 mm | 64 % | 15 km/h |
| 06:00 | drizzle | 9 °C | 0.7 mm | 72 % | 22 km/h |
| 09:00 | drizzle | 8 °C | 0.5 mm | 58 % | 21 km/h |
| 12:00 | overcast | 8 °C | 0.0 mm | 42 % | 20 km/h |
| 15:00 |  sunny | 7 °C | 0.0 mm | 24 % | 18 km/h |
| 18:00 |  partly cloudy | 5 °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 Kasterlee?
Yes: 7.1 mm expected, probability 72 %.
How warm will it be tomorrow in Kasterlee?
Between 3 and 10 °C.
The weekend
Today, Sunday, in Kasterlee: light rain, 0 to 10 °C. Next weekend: Saturday partly cloudy, 0 to 9 °C, Sunday drizzle, 3 to 8 °C.
| Day | Weather | Min | Max | Precip. | Wind |
|---|---|---|---|---|---|
| Today |  light rain | 0 °C | 10 °C | 3.4 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 | 8 °C | 5.4 mm | 19 km/h |
Hour by hour
The next 48 hours in Kasterlee, hour by hour: temperature from 3 to 10 °C, 21.9 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 | 8 °C | 0.0 mm | 13 % | 14 km/h |
| 16:00 | overcast | 9 °C | 0.0 mm | 25 % | 16 km/h |
| 17:00 | drizzle | 9 °C | 0.8 mm | 48 % | 14 km/h |
| 18:00 | light rain | 9 °C | 1.3 mm | 76 % | 14 km/h |
| 19:00 | heavy drizzle | 9 °C | 1.1 mm | 94 % | 16 km/h |
| 20:00 | overcast | 10 °C | 0.0 mm | 93 % | 14 km/h |
| 21:00 | overcast | 10 °C | 0.0 mm | 81 % | 12 km/h |
| 22:00 | overcast | 10 °C | 0.0 mm | 71 % | 13 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 | 9 °C | 0.0 mm | 59 % | 11 km/h |
| 02:00 | light drizzle | 9 °C | 0.3 mm | 60 % | 13 km/h |
| 03:00 | light drizzle | 9 °C | 0.3 mm | 64 % | 15 km/h |
| 04:00 | drizzle | 9 °C | 0.6 mm | 67 % | 16 km/h |
| 05:00 | rain | 9 °C | 3.0 mm | 70 % | 14 km/h |
| 06:00 | drizzle | 9 °C | 0.7 mm | 72 % | 22 km/h |
| 07:00 | drizzle | 8 °C | 0.6 mm | 71 % | 19 km/h |
| 08:00 | drizzle | 8 °C | 0.8 mm | 66 % | 19 km/h |
| 09:00 | drizzle | 8 °C | 0.5 mm | 58 % | 21 km/h |
| 10:00 | light drizzle | 8 °C | 0.1 mm | 51 % | 19 km/h |
| 11:00 | overcast | 8 °C | 0.0 mm | 46 % | 21 km/h |
| 12:00 | overcast | 8 °C | 0.0 mm | 42 % | 20 km/h |
| 13:00 | light drizzle | 7 °C | 0.2 mm | 37 % | 19 km/h |
| 14:00 | overcast | 8 °C | 0.0 mm | 31 % | 18 km/h |
| 15:00 | sunny | 7 °C | 0.0 mm | 24 % | 18 km/h |
| 16:00 | mostly sunny | 7 °C | 0.0 mm | 18 % | 16 km/h |
| 17:00 | sunny | 6 °C | 0.0 mm | 14 % | 15 km/h |
| 18:00 | partly cloudy | 5 °C | 0.0 mm | 11 % | 12 km/h |
| 19:00 | overcast | 4 °C | 0.0 mm | 10 % | 12 km/h |
| 20:00 | overcast | 4 °C | 0.0 mm | 12 % | 12 km/h |
| 21:00 | overcast | 3 °C | 0.0 mm | 15 % | 8 km/h |
| 22:00 | overcast | 3 °C | 0.0 mm | 20 % | 8 km/h |
| 23:00 | overcast | 3 °C | 0.0 mm | 26 % | 7 km/h |
| 00:00 | overcast | 3 °C | 0.0 mm | 33 % | 8 km/h |
| 01:00 | light drizzle | 4 °C | 0.1 mm | 39 % | 8 km/h |
| 02:00 | drizzle | 4 °C | 0.7 mm | 44 % | 7 km/h |
| 03:00 | drizzle | 4 °C | 0.6 mm | 49 % | 9 km/h |
| 04:00 | light drizzle | 4 °C | 0.3 mm | 55 % | 14 km/h |
| 05:00 | light drizzle | 4 °C | 0.4 mm | 63 % | 14 km/h |
| 06:00 | light drizzle | 4 °C | 0.4 mm | 72 % | 16 km/h |
| 07:00 | rain | 4 °C | 4.2 mm | 80 % | 19 km/h |
| 08:00 | rain | 5 °C | 3.3 mm | 85 % | 18 km/h |
| 09:00 | light rain | 5 °C | 1.4 mm | 88 % | 13 km/h |
| 10:00 | light drizzle | 5 °C | 0.2 mm | 90 % | 9 km/h |
| 11:00 | overcast | 5 °C | 0.0 mm | 89 % | 5 km/h |
| 12:00 | overcast | 6 °C | 0.0 mm | 86 % | 8 km/h |
| 13:00 | mostly sunny | 9 °C | 0.0 mm | 84 % | 14 km/h |
Location of Kasterlee
Kasterlee lies at 20 m, close to the average of the 67 places we cover in the province of Antwerp (16 m). That makes it the 24th highest of the 67. The main town, Antwerp, lies 40 km to the west. The nearest places we cover are Retie (8 km to the east), Oud-Turnhout (9 km to the north), Turnhout (9 km to the north) and Geel (9 km to the south). With about 18,655 inhabitants according to GeoNames, Kasterlee is the 31st largest of the 67 places we cover in the province of Antwerp. Of the places of interest on this site, the nearest are Circuit Zolder (circuit or festival, 34 km to the south-east) and Bokrijk (sight, 44 km to the south-east).
Today is close to the November normal (9.8 °C).
Climate of Kasterlee: 1991–2020 normals
In Kasterlee, July is typically the warmest month (up to 23.0 °C on average), while January is the coldest at 1.0 °C. August sees the most rain, with around 79 mm.
By season (average highs, 1991–2020 normals): winter 6.4 °C and 211 mm of rain, spring 14.5 °C and 171 mm, summer 22.3 °C and 227 mm, autumn 14.7 °C and 194 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 | 5.9 | 1.0 | 69 | 12 |
| February | 7.0 | 1.0 | 63 | 12 |
| March | 10.6 | 2.8 | 60 | 12 |
| April | 14.7 | 5.2 | 48 | 11 |
| May | 18.3 | 9.1 | 63 | 13 |
| June | 21.0 | 12.0 | 71 | 12 |
| July | 23.0 | 14.3 | 77 | 13 |
| August | 22.8 | 13.9 | 79 | 12 |
| September | 19.3 | 11.4 | 62 | 11 |
| October | 14.9 | 8.3 | 65 | 12 |
| November | 9.8 | 4.6 | 67 | 13 |
| December | 6.4 | 1.9 | 78 | 14 |
Compared with Antwerp, the main town 40 km to the west, highs in the warmest month are 0.2 °C lower here, and the year brings 19 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: Retie (8 km to the east): summers 0.2 °C cooler and 11 mm drier a year; Oud-Turnhout (9 km to the north): summers 0.3 °C cooler and 11 mm drier a year; Turnhout (9 km to the north): summers 0.4 °C cooler and 13 mm drier a year. Among the 67 places we cover in the province of Antwerp whose normals come from the ERA5 reanalysis, Kasterlee ranks 43rd for summer warmth and 43rd 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 Kasterlee?
The warmest month in Kasterlee is typically July, averaging 23.0 °C (1991–2020 normal). The coldest is January, at 1.0 °C.
How many rainy days does Kasterlee get per year?
Kasterlee sees about 147 rainy days a year, adding up to roughly 803 mm of rainfall (1991–2020 normals).
How big is the gap between summer and winter in Kasterlee?
Between July and January, the temperature gap in Kasterlee runs to about 22.0 °C, based on the 1991–2020 normals.