Weather in Brussels — today
Now in Brussels
☁️
+15°
Overcast
Feels like +15° · humidity 92%
Today 12.9: +23° / +15°
🕐 07:25
Wind
8 km/h
UV index
0
Air (AQI)
41 · Moderate
Precipitation
4%
Humidity
92%
Pressure
1024 hPa
Sunrise / sunset
07:13 / 20:03
👕 What to wear today
Comfortable — a T-shirt, a light sweater for the evening.
Weather for an activity:
Detailed weather information for Brussels
Today, 12 September, Saturday, in Brussels (Belgium): partly cloudy, moderately warm. During the day the air will warm up to +23°, at night around +15°. Due to the wind it feels like +15°. Wind up to 16 km/h. No precipitation expected, you won't need an umbrella. A T-shirt is comfortable during the day, but take a light sweater or windbreaker for the evening. The sun will rise at 07:13 and set at 20:03 — daylight lasts 13 hours.Hourly weather in Brussels
💧 The bars at the bottom show the hourly precipitation probability. Shaded areas of the chart are the dark hours (before sunrise 🌅 and after sunset 🌇).
Weather in Brussels for 14 days
Tap a day to expand it by time of day and open the full forecast. The bar shows the range from the night low (left) to the day high (right).
▶
Today 12.9
☁️
💧 4%
+15° +23°
Morning
☁️
+16°
Day
☁️
+23°
Evening
🌇
+23°
Night
🌙
+15°
▶
Tomorrow 13.9
🌧️
💧 83%
+17° +20°
Morning
☁️
+18°
Day
🌧️
+20°
Evening
🌇
+19°
Night
🌙
+17°
▶
Mon 14.9
🌦️
💧 25%
+18° +22°
Morning
🌦️
+19°
Day
🌦️
+22°
Evening
🌇
+21°
Night
🌙
+18°
▶
Tue 15.9
☁️
💧 35%
+16° +26°
Morning
☁️
+20°
Day
☁️
+26°
Evening
🌇
+24°
Night
🌙
+16°
▶
Wed 16.9
🌦️
💧 69%
+14° +19°
Morning
🌦️
+16°
Day
🌦️
+19°
Evening
🌇
+18°
Night
🌙
+14°
▶
Thu 17.9
☁️
💧 48%
+12° +17°
Morning
☁️
+14°
Day
☁️
+17°
Evening
🌇
+16°
Night
🌙
+12°
▶
Fri 18.9
☁️
💧 46%
+12° +18°
Morning
☁️
+14°
Day
☁️
+18°
Evening
🌇
+17°
Night
🌙
+12°
▶
Sat 19.9
🌦️
💧 33%
+13° +18°
Morning
🌦️
+15°
Day
🌦️
+18°
Evening
🌇
+17°
Night
🌙
+13°
▶
Sun 20.9
🌦️
💧 21%
+12° +20°
Morning
🌦️
+15°
Day
🌦️
+20°
Evening
🌇
+18°
Night
🌙
+12°
▶
Mon 21.9
🌦️
💧 19%
+16° +20°
Morning
🌦️
+17°
Day
🌦️
+20°
Evening
🌇
+19°
Night
🌙
+16°
▶
Tue 22.9
🌦️
💧 18%
+10° +17°
Morning
🌦️
+13°
Day
🌦️
+17°
Evening
🌇
+15°
Night
🌙
+10°
▶
Wed 23.9
🌦️
💧 26%
+8° +12°
Morning
🌦️
+9°
Day
🌦️
+12°
Evening
🌇
+11°
Night
🌙
+8°
▶
Thu 24.9
🌦️
💧 23%
+9° +15°
Morning
🌦️
+11°
Day
🌦️
+15°
Evening
🌇
+14°
Night
🌙
+9°
▶
Fri 25.9
☁️
💧 22%
+10° +17°
Morning
☁️
+13°
Day
☁️
+17°
Evening
🌇
+15°
Night
🌙
+10°
🗺️ Precipitation radar
Precipitation radar (RainViewer) over a clean base map — updates every 5–10 minutes. Colours show nearby precipitation; if there is none, the map is simply clear — that is normal. Zoom with + / −.
Rain intensity:lightmoderateheavy
🎯 What to do in this weather — indices of the day
Comfort score from 0 (bad) to 100 (excellent), calculated from the day's weather. For “rain” and “UV” a percentage/risk level is shown.
🏃 Running
80 / 100
comfort for running · Excellent
🧴 UV
0%
moderate · low
☂️ Rain
4%
unlikely · low
✨ Stars
85 / 100
evening visibility · Excellent
🧺 Laundry drying
51 / 100
will dry outside · Average
🚗 Car wash
90 / 100
no rain expected · Excellent
🌫️ Air quality
41
Moderate air
European AQI
PM2.5: 16PM10: 19O₃: 9NO₂: 26
Moderate. Those sensitive to dust should be more careful during long outdoor exercise.
🌅 Sun, moon and sea
Sunrise
07:13
Sunset
20:03
Golden hour
19:20
Daylight
13 h (-4 min vs yesterday)
Brussels climate by month
Long-term averages. Hover over a bar for details. The forecast for a specific month is a combination of the climate normal and the model forecast for the coming weeks.
+6°
+1°
Jan
+7°
+1°
Feb
+11°
+3°
Mar
+14°
+5°
Apr
+18°
+9°
May
+21°
+12°
Jun
+23°
+14°
Jul
+22°
+14°
Aug
+19°
+12°
Sep
+15°
+9°
Oct
+10°
+5°
Nov
+7°
+2°
Dec
swipe sideways →
Bar color shows temperature:frostcoolcomfortablewarmhot— best months to visit
| Month | Day | Night | Precipitation | What to pack and what makes the month notable (events, nuances) |
|---|---|---|---|---|
| January | +6° | +1° | 63 mm | A cold month: +6° by day, long walks get uncomfortable. One of the wettest months (63 mm): downpours can derail plans. 🧣 a warmer jacket. This is the coldest month of the year. |
| February | +7° | +1° | 59 mm | Cold: +7° by day, down to +1° at night — dress warmly. 🧣 a warmer jacket. |
| March | +11° | +3° | 57 mm | A fresh month — +11° daytime, take a jacket for walks. 🧥 a warm jacket. |
| April | +14° | +5° | 47 mm | Cool weather: +14° by day, noticeably colder in the evening. 🧥 a warm jacket. |
| May | +18° | +9° | 63 mm | Cool: around +18° by day, you'll need a warm layer. It's a rainy month (63 mm) — an umbrella is a must. 🙂 a sweater for the evening. |
| June | +21° | +12° | 66 mm | Ideal weather: +21° daytime — neither hot nor cold. Frequent rain (66 mm over the month) — keep indoor backup plans. 🙂 a sweater for the evening. The longest daylight hours of the year — more time for everything. |
| July | +23° | +14° | 71 mm | The most pleasant season: +23° by day, comfortable all day long. One of the wettest months (71 mm): downpours can derail plans. 🙂 a sweater for the evening. This is the hottest month of the year in Brussels. |
| August | +22° | +14° | 71 mm | One of the best times to visit: +22° by day, fresh nights. It's a rainy month (71 mm) — an umbrella is a must. 🙂 a sweater for the evening. Weather-wise, one of the three best months to visit. |
| September | +19° | +12° | 55 mm | Ideal weather: +19° daytime — neither hot nor cold. 🙂 a sweater for the evening. |
| October | +15° | +9° | 59 mm | Cool weather: +15° by day, noticeably colder in the evening. 🧥 a warm jacket. |
| November | +10° | +5° | 64 mm | Cold: +10° by day, down to +5° at night — dress warmly. It's a rainy month (64 mm) — an umbrella is a must. 🧥 a warm jacket. |
| December | +7° | +2° | 74 mm | Winter weather: about +7° daytime, you need a warm coat and hat. Frequent rain (74 mm over the month) — keep indoor backup plans. 🧣 a warmer jacket. Statistically the wettest month of the year. |
When to visit Brussels
✅ Recommended time to visit
🌟 Best time: June, July, August
Daytime air+21…+23°
Precipitationoften
Why: comfortable +21…+23° by day, little rain.
⚠️ Doable, with caveats
🌤️ Shoulder season: January, April, May, September, October, November
Daytime air+6…+19°
Precipitationoften
Why: cool (+6…+19°) — not beach season, but great for city sights and museums.
🔴 Not the best time
❄️ Cold season: February, March, December
Daytime air+7…+11°
Precipitationoften
Why: cold and dark (+7…+11° by day, 8 h of daylight) — only if frost and short days don’t put you off.
Bottom line: the best time to visit Brussels is June – August, and the most comfortable months are June, July, August. The toughest months to visit are February, March, December: frequent rain.
🌡️ Today vs the climate normal
Today's high
+23°
Normal for September
+19°
Deviation
4° warmer than normal
A year ago on this day
+19°
Record for this date
+30° (1942)
The normal, “a year ago” and the record come from the weather archive since 1940 (Open-Meteo / ERA5).
Weather archive for Brussels
📅 See what the weather was like on any day since 1940. For example: “what was the weather on March 2, 2021”.
Show the archive for the selected day →
Show the archive for the selected day →
Weather in cities near Brussels
Frequently asked questions about the weather in Brussels
What is the weather in Brussels right now?＋
Overcast, +15°, feels like +15°.
Will it rain in Brussels today?＋
No: 4% chance, 0 mm.
When is the best time to visit Brussels?＋
Best time to visit — June – August.
What time are sunrise and sunset in Brussels?＋
Sunrise 07:13, sunset 20:03.
Does it snow in Brussels in winter?＋
No, it practically never snows.
What is the climate in Brussels by month?＋
Summers up to +23° in July, winters around +1° in January; the wettest month is December.
Is it cold in Brussels in winter?＋
🧣 Cool. Take a warmer jacket.