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Weather in Sonian Forest
Ardennes, fens and forests, 120 m · continuously updated
Uccle (4 km) · 9 °C · KMI/IRM 14:00
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Temperature · last 4 and next 28 hours
Sonian Forest weather: the next 24 hours
Updated hourly.
Sonian Forest 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 Sonian Forest
Neighbouring towns, as the crow flies.
Official weather warnings
No active warning for Brussels-Capital Region.
Updated 15 Nov 13:48.
Is there an active weather warning for Sonian Forest?
No active warning for Brussels-Capital Region.
Latest RMI observation near Sonian Forest
Measured at Uccle, 4 km from Sonian Forest: situation as of 15 November 2026, 14:00. Uccle 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 | 18 km/h S |
| Gusts | 36 km/h |
| Rain, last hour | 0.0 mm |
| Humidity | 86 % |
| Pressure | 1003 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 Sonian Forest
The weather station nearest to Sonian Forest, Uccle located 104 m above sea level, is 5 km away; its records cover 1795–2025. In November, the mean temperature there is 7.3 °C over 1991–2020, 1.0 °C more than over 1961–1990 (6.3 °C), with about – mm of rain. The warmest month ever measured is July 2006 (23.5 °C), the coldest February 1956 (−6.2 °C). See the full series of Uccle
Planning a visit to Sonian Forest
- Next 24 hours at Sonian Forest: 6 to 10 °C, gusts up to 63 km/h, UV index up to 1.7, 7.1 mm of rain. Gusts of 63 km/h: noticeable on open ground and ridges, with branches that may fall in woodland. Carry a windproof layer. About 7.1 mm of rain is expected: trails turn muddy and streams rise. Waterproof footwear helps, and it is worth checking the Hautes Fagnes-Eifel Nature Park or the site managers for closures before heading out.
Worked out from Open-Meteo forecasts of 2026-11-15 14:48 (local time) for the next 24 hours: model values, not measurements. Check the warnings of the RMI (Royal Meteorological Institute) before you set out. All of today's advice
7-day forecast for Sonian Forest
Today (Sunday 15 Nov) in Sonian Forest: heavy drizzle, 1 to 10 °C, precipitation 3.7 mm (92 %), wind up to 17 km/h. Tomorrow: light rain, 3 to 9 °C.
| Day | Weather | Min | Max | Precip. | Wind |
|---|---|---|---|---|---|
| Today | heavy drizzle | 1 °C | 10 °C | 3.7 mm | 17 km/h |
| Tomorrow | light rain | 3 °C | 9 °C | 4.0 mm | 21 km/h |
| Tue 17 Nov | rain | 4 °C | 14 °C | 18.4 mm | 28 km/h |
| Wed 18 Nov | drizzle | 8 °C | 11 °C | 1.8 mm | 25 km/h |
| Thu 19 Nov | showers | 8 °C | 9 °C | 15.2 mm | 22 km/h |
| Fri 20 Nov | showers | 2 °C | 8 °C | 14.4 mm | 12 km/h |
| Sat 21 Nov | partly cloudy | 1 °C | 10 °C | 0.0 mm | 11 km/h |
Tomorrow's weather in Sonian Forest
Tomorrow, Monday 16 Nov, in Sonian Forest: light rain, from 3 to 9 °C, 4.0 mm of precipitation (probability 63 %), wind up to 21 km/h.
| Hour | Weather | Temp. | Precip. | Chance | Wind |
|---|---|---|---|---|---|
| 00:00 |  overcast | 9 °C | 0.0 mm | 63 % | 12 km/h |
| 03:00 |  light drizzle | 8 °C | 0.2 mm | 51 % | 15 km/h |
| 06:00 | light drizzle | 8 °C | 0.2 mm | 48 % | 17 km/h |
| 09:00 | overcast | 7 °C | 0.0 mm | 36 % | 16 km/h |
| 12:00 | overcast | 7 °C | 0.0 mm | 26 % | 16 km/h |
| 15:00 | overcast | 6 °C | 0.0 mm | 18 % | 13 km/h |
| 18:00 | overcast | 4 °C | 0.0 mm | 15 % | 11 km/h |
| 21:00 | overcast | 3 °C | 0.0 mm | 25 % | 5 km/h |
Frequently asked questions
Will it rain tomorrow in Sonian Forest?
Yes: 4.0 mm expected, probability 63 %.
How warm will it be tomorrow in Sonian Forest?
Between 3 and 9 °C.
The weekend
Today, Sunday, in Sonian Forest: heavy drizzle, 1 to 10 °C. Next weekend: Saturday partly cloudy, 1 to 10 °C, Sunday heavy drizzle, 4 to 9 °C.
| Day | Weather | Min | Max | Precip. | Wind |
|---|---|---|---|---|---|
| Today | heavy drizzle | 1 °C | 10 °C | 3.7 mm | 17 km/h |
| Sat 21 Nov |  partly cloudy | 1 °C | 10 °C | 0.0 mm | 11 km/h |
| Sun 22 Nov | heavy drizzle | 4 °C | 9 °C | 9.6 mm | 21 km/h |
Hour by hour
The next 48 hours in Sonian Forest, hour by hour: temperature from 3 to 14 °C, 22.7 mm of rain expected.
| Hour | Weather | Temp. | Precip. | Chance | Wind |
|---|---|---|---|---|---|
| 14:00 | overcast | 8 °C | 0.0 mm | 16 % | 16 km/h |
| 15:00 | overcast | 9 °C | 0.0 mm | 30 % | 17 km/h |
| 16:00 | drizzle | 9 °C | 0.9 mm | 45 % | 15 km/h |
| 17:00 | heavy drizzle | 9 °C | 1.0 mm | 62 % | 14 km/h |
| 18:00 | heavy drizzle | 10 °C | 1.0 mm | 81 % | 17 km/h |
| 19:00 | drizzle | 10 °C | 0.5 mm | 92 % | 14 km/h |
| 20:00 | overcast | 10 °C | 0.0 mm | 91 % | 14 km/h |
| 21:00 | overcast | 10 °C | 0.0 mm | 84 % | 14 km/h |
| 22:00 | overcast | 10 °C | 0.0 mm | 76 % | 13 km/h |
| 23:00 | overcast | 10 °C | 0.0 mm | 69 % | 13 km/h |
| 00:00 | overcast | 9 °C | 0.0 mm | 63 % | 12 km/h |
| 01:00 | light drizzle | 9 °C | 0.1 mm | 57 % | 12 km/h |
| 02:00 | light drizzle | 9 °C | 0.1 mm | 53 % | 14 km/h |
| 03:00 | light drizzle | 8 °C | 0.2 mm | 51 % | 15 km/h |
| 04:00 |  light rain | 8 °C | 2.1 mm | 49 % | 20 km/h |
| 05:00 | light drizzle | 8 °C | 0.4 mm | 48 % | 21 km/h |
| 06:00 | light drizzle | 8 °C | 0.2 mm | 48 % | 17 km/h |
| 07:00 | light drizzle | 7 °C | 0.2 mm | 47 % | 16 km/h |
| 08:00 | light drizzle | 7 °C | 0.3 mm | 42 % | 19 km/h |
| 09:00 | overcast | 7 °C | 0.0 mm | 36 % | 16 km/h |
| 10:00 | overcast | 7 °C | 0.0 mm | 31 % | 16 km/h |
| 11:00 | light drizzle | 6 °C | 0.1 mm | 28 % | 14 km/h |
| 12:00 | overcast | 7 °C | 0.0 mm | 26 % | 16 km/h |
| 13:00 |  mostly sunny | 7 °C | 0.0 mm | 24 % | 16 km/h |
| 14:00 | overcast | 7 °C | 0.0 mm | 21 % | 16 km/h |
| 15:00 | overcast | 6 °C | 0.0 mm | 18 % | 13 km/h |
| 16:00 | overcast | 6 °C | 0.0 mm | 16 % | 12 km/h |
| 17:00 | overcast | 5 °C | 0.0 mm | 15 % | 12 km/h |
| 18:00 | overcast | 4 °C | 0.0 mm | 15 % | 11 km/h |
| 19:00 | partly cloudy | 4 °C | 0.0 mm | 16 % | 8 km/h |
| 20:00 | overcast | 3 °C | 0.0 mm | 20 % | 6 km/h |
| 21:00 | overcast | 3 °C | 0.0 mm | 25 % | 5 km/h |
| 22:00 | overcast | 4 °C | 0.0 mm | 31 % | 4 km/h |
| 23:00 | light drizzle | 4 °C | 0.3 mm | 37 % | 5 km/h |
| 00:00 | heavy drizzle | 4 °C | 1.0 mm | 43 % | 5 km/h |
| 01:00 | light rain | 4 °C | 1.9 mm | 49 % | 7 km/h |
| 02:00 | rain | 4 °C | 2.6 mm | 53 % | 10 km/h |
| 03:00 | light rain | 4 °C | 1.5 mm | 57 % | 14 km/h |
| 04:00 | light drizzle | 4 °C | 0.2 mm | 61 % | 16 km/h |
| 05:00 | drizzle | 4 °C | 0.6 mm | 66 % | 14 km/h |
| 06:00 | rain | 4 °C | 2.5 mm | 72 % | 15 km/h |
| 07:00 | light rain | 5 °C | 2.1 mm | 78 % | 12 km/h |
| 08:00 | light rain | 5 °C | 1.8 mm | 84 % | 8 km/h |
| 09:00 | drizzle | 6 °C | 0.6 mm | 89 % | 6 km/h |
| 10:00 | light drizzle | 12 °C | 0.1 mm | 92 % | 16 km/h |
| 11:00 | light drizzle | 13 °C | 0.4 mm | 92 % | 17 km/h |
| 12:00 | overcast | 14 °C | 0.0 mm | 90 % | 17 km/h |
| 13:00 | overcast | 13 °C | 0.0 mm | 88 % | 20 km/h |
Today is close to the November normal (9.8 °C).
Climate of Sonian Forest: 1991–2020 normals
In Sonian Forest, July is typically the warmest month (up to 23.3 °C on average), while January is the coldest at 1.2 °C. August sees the most rain, with around 92 mm.
By season (average highs, 1991–2020 normals): winter 6.5 °C and 232 mm of rain, spring 14.8 °C and 170 mm, summer 22.5 °C and 248 mm, autumn 14.7 °C and 214 mm. The wettest season is summer (29 % of the annual total), the driest spring (20 %).
| Max T (°C) | Min T (°C) | Rainfall (mm) | Rainy days | |
|---|---|---|---|---|
| January | 6.0 | 1.2 | 76 | 13 |
| February | 7.1 | 1.2 | 67 | 12 |
| March | 11.0 | 3.3 | 58 | 12 |
| April | 15.0 | 5.8 | 49 | 12 |
| May | 18.4 | 9.2 | 63 | 12 |
| June | 21.2 | 12.2 | 73 | 12 |
| July | 23.3 | 14.3 | 83 | 13 |
| August | 23.0 | 13.9 | 92 | 14 |
| September | 19.6 | 11.0 | 69 | 12 |
| October | 14.8 | 7.9 | 71 | 12 |
| November | 9.8 | 4.3 | 74 | 13 |
| December | 6.4 | 1.7 | 90 | 14 |
What is the warmest month in Sonian Forest?
The warmest month in Sonian Forest is typically July, averaging 23.3 °C (1991–2020 normal). The coldest is January, at 1.2 °C.
How many rainy days does Sonian Forest get per year?
Sonian Forest sees about 152 rainy days a year, adding up to roughly 865 mm of rainfall (1991–2020 normals).
How big is the gap between summer and winter in Sonian Forest?
Between July and January, the temperature gap in Sonian Forest runs to about 22.1 °C, based on the 1991–2020 normals.