11-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Morning
Partly cloudy
7°
Feels like 6°
Wind↑ ESE 7 km/h
Humidity 89 %
Evening
Overcast
8°
Feels like 6°
Wind↑ NE 9 km/h
Gusts20 km/h
Humidity 80 %
12-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Morning
Drizzle
7°
Feels like 3°
Wind↑ NNE 17 km/h
Gusts37 km/h
Humidity 84 %
💧 0.5 mm
Evening
Clear sky
6°
Feels like 3°
Wind↑ NNE 18 km/h
Gusts40 km/h
Humidity 81 %
13-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Morning
Overcast
5°
Feels like 4°
Wind↑ W 5 km/h
Humidity 82 %
Evening
Partly cloudy
6°
Feels like 4°
Wind↑ WSW 12 km/h
Gusts29 km/h
Humidity 88 %
14-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Morning
Drizzle
7°
Feels like 5°
Wind↑ W 11 km/h
Gusts27 km/h
Humidity 92 %
💧 0.4 mm
Brussels forecast in charts · next 7 days
The week ahead: highs and lows
≈ A week close to the usual temperatures
Highs Lows Usual for the season (1991–2020 average)
Hourly detail
Temperature (°C) Rain (mm) Wind (km/h)
Brussels climate: what a normal year looks like
From 16 h 31 min of daylight in late June to 7 h 56 min in late December.
There is no real dry season: monthly rainfall stays between 53 mm and 79 mm on average.
The hottest stretch is August, when afternoons average 23 °C; the coldest is January, when nights average 1 °C.
Even the coldest month, January, keeps nights above freezing on average (1 °C).
Forecast highs for the coming week average 11 °C, 4 °C cooler than a normal October (15 °C).
30-year averages (1991–2020)
Month
Typical high
Typical low
Rainfall
Jan
6 °C
1 °C
68 mm
Feb
8 °C
2 °C
63 mm
Mar
10 °C
4 °C
61 mm
Apr
14 °C
6 °C
53 mm
May
18 °C
9 °C
67 mm
Jun
20 °C
12 °C
71 mm
Jul
23 °C
15 °C
77 mm
Aug
23 °C
14 °C
79 mm
Sep
19 °C
11 °C
60 mm
Oct
15 °C
9 °C
63 mm
Nov
10 °C
5 °C
68 mm
Dec
6 °C
2 °C
78 mm
Whole year
14 °C
8 °C
810 mm
Source: our own processing of the ERA5 reanalysis (Copernicus/ECMWF) for 50.85° N, 4.35° E, 1991–2020. ERA5 averages over a 0.25° grid (about 25 km): hills, a coastline or the heat of the city itself can shift local values by a degree or two.
Air you breathe in Brussels: pollution and pollen
2/6
Fair
European Air Quality Index (EAQI), from Copernicus CAMS
PM2.516µg/m³
PM1023µg/m³
O₃33µg/m³
NO₂23µg/m³
SO₂1µg/m³
Pollen
AlderNone
BirchNone
GrassNone
MugwortNone
OliveNone
RagweedNone
Copernicus CAMS model, updated several times a day.
Rain radar around Brussels
Rain observed over the last two hours by official weather radars around Brussels, followed by the radar forecast for the next hour where the weather service provides one.
Rain radarLast two hours, then forecast where available · drag the timeline
Moon over Brussels
Waning gibbous
87 % illuminated · 18.3 days
Rise 04:47 Set 23:12
Fri30/1079%
Sat31/1069%
Sun1/1159%
Mon2/1149%Last quarter
Tue3/1138%
Wed4/1128%
Thu5/1119%
Fri6/1112%
Sat7/116%
Sun8/112%
Mon9/110%
Tue10/111%New moon
Moonrise and moonset in local time (Europe/Brussels); phase and lit fraction from a synodic calculation.
Sea and tides near Brussels
Tide station used: Brussels
TodayThu 29/10
High tide04:576.1 m
Low tide11:260.6 m
High tide17:156.2 m
Low tide23:470.7 m
TomorrowFri 30/10
High tide05:385.9 m
Low tide12:100.7 m
High tide17:596.0 m
SatSat 31/10
Low tide00:300.8 m
High tide06:245.6 m
Low tide12:560.7 m
High tide18:485.8 m
SunSun 01/11
Low tide01:171.0 m
High tide07:165.3 m
Low tide13:500.8 m
High tide19:475.5 m
Indicative heights above chart datum. Coefficient: 20 for the weakest tides, 120 for the strongest. · more tide detail on TidesAtlas
Look up a past day in Brussels
Curious about the weather in Brussels on a given day? Choose a date: we read it from the ERA5 reanalysis (ECMWF / Copernicus C3S), which runs until about a week ago.
Brussels weather at a glance
This page gathers everything about the weather in Brussels, BRU: conditions now, the forecast for each part of the day and the trend for the coming week. At the moment the sky is “clear sky”, it is 11 °C (feels like 11 °C) and the wind blows at 4 km/h.
Expected range today: 7 °C to 15 °C and a dry sky. The forecast comes from the AtmoAtlas engine, which combines ECMWF-AIFS, NOAA GFS and DWD ICON, adjusts cloud cover with METAR reports and uses convective energy (CAPE) to flag storms, plus the tide times for Brussels.
Use the Brussels forecast in your own website or app: one JSON call returns weather, air quality, tides and sun and moon times. The free key needs no card.
