5-day weather forecast Brussels Sep 25, 2026

22°12–24° · Sunny

Weather forecast Brussels today Sep 25, 2026: sunny, temperature from 12 °C to 24 °C.

Precipitation probability 18%. Wind up to 3.61 m/s (gusts 5.81 m/s). Air humidity 31–68%, atmospheric pressure 764–768 mm Hg, UV index up to 3.6.

Sunrise 07:33
Sunset 19:34
Full Moon100% illuminated
Moonrise 18:59 · Moonset 06:09
Chart
Table
Fri, Sep 25, 2026

Forecast from 12 °C to 24 °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)131313131212121212131518202223242424242220191818
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 (%)1001001001001001001001009840581752000000000
Rain chance (%)161617171818181817722211111111221

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)3333.112.892.892.692.692.692.312.53.193.1132.812.612.52.391.51.311.812.693.193.61
Wind gust (m/s)4.814.924.224.814.113.893.3133.193.833.394.54.033.613.333.223.223.221.831.425.812.693.535.22
Wind direction (°)ESE 122°SE 137°SE 146°SE 146°SSE 154°SSE 161°S 174°S 176°S 174°S 186°SSW 194°S 191°SSW 195°SSW 200°SSW 206°SW 218°SW 218°SW 223°SW 216°S 180°S 174°S 175°S 175°SSE 168°

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 (%)646566676868686868625248423733323131384346474746

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)768768768767767767767767767767767767766766765764764764764764764764764764

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 Index0000000000.30.91.82.83.53.63.12.21.20.50.10000

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)10.67.977.388.79.510.411.912.18.77.35.44.74.34.34.75.15.26.56.48.38.37.3
PM10 (µg/m³)18.514.812.912.51313.81313.516.116.613.611.89.68.88.88.68.68.610.111.513.112.712.811.5
Ozone (O₃) (µg/m³)223446474138322015234157667480879191877359494850
NO₂ (µg/m³)37.827.218.715.617.217.92326.937.634.926.215.59.47.16.366.37.311.222.325.930.426.123.2
SO₂ (µg/m³)1.70.90.91.10.9111.11.21.31.31.21.21.110.80.80.80.81.11.21.31.21
CO (µg/m³)227220210206208206203207243256229218206199194190190189196211211215206202
Fri, Sep 25, 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 12 to 28 °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 29%. 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 12 to 28 °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 6 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 29%) 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 29% 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 3.6; 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.