5-day weather forecast Brussels Oct 15, 2026

15°10–21° · Cloudy

Weather forecast Brussels today Oct 15, 2026: overcast, temperature from 10 °C to 21 °C.

Precipitation probability 25%. Wind up to 5.31 m/s (gusts 9.19 m/s). Air humidity 55–82%, atmospheric pressure 767–771 mm Hg, UV index up to 2.1.

Sunrise 08:05
Sunset 18:50
Waxing Crescent27% illuminated
Moonrise 14:13 · Moonset 21:01
Chart
Table
Thu, Oct 15, 2026

Forecast from 10 °C to 21 °C and precipitation

Temperature & Precipitation
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Temperature (°C)121111111111111010111316181920212121191616151515
Precipitation (mm/hr)000000000000000000000000

Cloud cover and precipitation probability

Cloud cover & Rain chance
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Cloud cover (%)10010094889510080100803076228869542132364458658691
Rain chance (%)22232321232521252011146139353441013141919

Wind speed and direction

Wind & Wind gust
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Wind (m/s)3.313.313.193.393.893.393.53.893.613.694.55.315.115.115.1154.894.313.313.393.613.613.693.69
Wind gust (m/s)66.616.618.198.898.537.618.698.619.119.198.57.57.116.646.426.145.896.314.926.8177.228.22
Wind direction (°)S 190°S 191°SSW 198°SSW 195°S 191°SSW 198°SSW 199°SSW 192°SSW 201°SSW 200°SSW 204°SSW 204°SW 215°SW 220°SW 223°SW 226°SW 225°SW 219°SSW 202°S 187°S 183°S 184°S 184°S 183°

Air humidity

Humidity
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Humidity (%)767880808182828180787065615957565557647274757675

Atmospheric pressure

Pressure
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Pressure (mm Hg)771770770770770770770769769769769769769769768768767767767767767767767767

Ultraviolet index

UV Index
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
UV Index00000000000.40.81.52.12.11.81.20.60.200000

Air quality & pollen

Air quality
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
PM2.5 (µg/m³)10.59.48.88.58.48.48.48.49.39.59.598.1765.7678.18.48.17.97.27.2
PM10 (µg/m³)16.214.2131211.711.912.61415.614.913.91210.810.29.58.89.19.511.21313.3121110.7
Ozone (O₃) (µg/m³)434547484949474535264047555963676864584645465050
NO₂ (µg/m³)18.414.110.6109.910.813.61828.63625.219.212.38.97.57.5911.918.827.527.123.118.716.1
SO₂ (µg/m³)10.70.60.60.60.70.81.11.21.41.21.11.110.90.80.80.80.911.11.110.8
CO (µg/m³)171163158155154154154160187186178167163156147145149159175186179168159156
Thu, Oct 15, 2026

Frequently asked questions about the 5-day weather in Brussels

What will the weather be like in Brussels over the next 5 days?

Over the next 5 days in Brussels the temperature is expected to range from about 5 to 21 °C. See the detailed hourly forecast for each of the 5 days in the charts above.

On which of the next 5 days will it rain in Brussels?

The chance of rain in Brussels over the next 5 days reaches 79%. Check the 5-day precipitation chart above to see exactly which days and hours bring rain.

How accurate is the 5-day weather forecast for Brussels?

A 5-day forecast is fairly reliable: the first 2–3 days are usually very accurate, while days 4–5 may be refined. The data is updated several times a day, so check back before important plans.

Which of the next 5 days in Brussels will be the warmest and which the coolest?

Over the next 5 days the temperature in Brussels ranges from about 5 to 21 °C. Compare the warmest and coolest day on the temperature chart above.

Will it be windy in Brussels over the next 5 days?

Over the next 5 days the wind in Brussels picks up to 8 m/s. The windiest days are easy to spot on the wind chart above.

Which day of the week in Brussels is best for a walk or a trip?

For a walk or a trip, pick the days with the lowest chance of rain (up to 79%) and light wind — easy to compare on the 5-day charts above.

How can I best use the 5-day forecast for Brussels?

The first 2–3 days are reliable enough for firm decisions, while days 4–5 are a guide that sharpens as they approach. The forecast is updated several times a day, so check again before important plans.

Will I need an umbrella or sunscreen in Brussels this week?

Rain reaches a 79% chance across the next 5 days, so pack something waterproof for the wettest of them — the daily strip above shows which. Today’s UV index peaks at 2.1; sunscreen is worth it from about 3 upwards.

Brussels on the map

Data Sources & Methodology

Our weather forecasts are powered by a professional weather data provider that aggregates data from national weather services, satellite observations, radar networks, and over 80,000 weather stations worldwide. Forecast data is updated multiple times daily. We convert raw data into clear summaries — wind speed in m/s, pressure in mmHg — so you can plan your day with confidence.