Weather in Brussels - 14-day forecast

Detailed weather forecast for Brussels, Belgium: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.

Forecast for the next days in Brussels

today🌤️ 23°💧 2.6 mm

Thu☀️ 25°💧 5 mm

Fri☁️ 27°💧 3 mm

Sat☀️ 30°💧 1.7 mm

Sun☁️ 29°💧 11.9 mm

Mon🌤️ 28°💧 14.3 mm

Tue☀️ 30°💧 12.8 mm

Wed☁️ 31°💧 2.9 mm

⚠️ Weather warnings - Brussels

🌡️Heatyellow level

from 8 Jul, 00:00 to 13 Jul, 00:00

Areas: Brabant

High temperatures and risk of overheating. Drink plenty of water, avoid the midday sun and look after the elderly.

Source: national weather service via Meteoalarm (EUMETNET). Yellow - be aware, orange - be prepared, red - take action.

14-day forecast - Brussels

📅 Brussels 30 & 45-day weather - long-range outlook

Next 16 days · forecast

26°

around 21° at night · days with rain: 12

Weeks 3-4 · avg for July

23°

around 13° at night · rain chance 48%

Weeks 5-7 · avg for August

22°

around 12° at night · rain chance 51%

The 30 & 45-day outlook for Brussels: the next 16 days are a numerical forecast updated daily - on average 26° by day and 21° at night. Further out we rely on multi-year climate averages: around 23° in July, and about 22° in August. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for Brussels

Wednesday8 July 2026

🌤️23°scattered clouds

sunrise 05:38 · sunset 21:56 · night 18° · evening 24° · rain 2.55 mm · humidity 55% · wind 5 m/s · clouds 30%

Thursday9 July 2026

☀️25°clear sky

sunrise 05:39 · sunset 21:56 · night 22° · evening 28° · rain 4.95 mm · humidity 45% · wind 4 m/s · clouds 6%

Friday10 July 2026

☁️27°overcast clouds

sunrise 05:40 · sunset 21:55 · night 23° · evening 29° · rain 3.03 mm · humidity 38% · wind 5 m/s · clouds 100%

Saturday11 July 2026

☀️30°clear sky

sunrise 05:41 · sunset 21:54 · night 23° · evening 28° · rain 1.65 mm · humidity 35% · wind 6 m/s · clouds 76%

Sunday12 July 2026

☁️29°broken clouds

sunrise 05:42 · sunset 21:53 · night 20° · evening 26° · rain 11.91 mm · humidity 41% · wind 7 m/s · clouds 61%

Monday13 July 2026

🌤️28°a few clouds

sunrise 05:43 · sunset 21:53 · night 22° · evening 27° · rain 14.34 mm · humidity 33% · wind 5 m/s · clouds 13%

Tuesday14 July 2026

☀️30°clear sky

sunrise 05:45 · sunset 21:52 · night 25° · evening 28° · rain 12.81 mm · humidity 26% · wind 7 m/s · clouds 1%

Wednesday15 July 2026

☁️31°broken clouds

sunrise 05:46 · sunset 21:51 · night 25° · evening 30° · rain 2.88 mm · humidity 24% · wind 7 m/s · clouds 61%

Thursday16 July 2026

🌧️30°light rain

sunrise 05:47 · sunset 21:50 · night 20° · evening 27° · rain 0.33 mm · humidity 37% · wind 7 m/s · clouds 100%

Friday17 July 2026

🌧️29°light rain

sunrise 05:48 · sunset 21:49 · night 19° · evening 24° · rain 1.47 mm · humidity 33% · wind 7 m/s · clouds 30%

Saturday18 July 2026

☀️28°clear sky

sunrise 05:49 · sunset 21:48 · night 19° · evening 25° · rain 2.37 mm · humidity 28% · wind 6 m/s · clouds 6%

Sunday19 July 2026

☁️28°broken clouds

sunrise 05:50 · sunset 21:47 · night 25° · evening 30° · rain 0.15 mm · humidity 29% · wind 4 m/s · clouds 76%

Monday20 July 2026

🌧️27°light rain

sunrise 05:52 · sunset 21:45 · night 19° · evening 21° · rain 0.15 mm · humidity 39% · wind 8 m/s · clouds 100%

Tuesday21 July 2026

🌧️19°light rain

sunrise 05:53 · sunset 21:44 · night 18° · evening 20° · rain 4.62 mm · humidity 73% · wind 8 m/s · clouds 94%

Wednesday22 July 2026

🌧️17°moderate rain

sunrise 05:54 · sunset 21:43 · night 14° · evening 17° · rain 6.3 mm · humidity 78% · wind 10 m/s · clouds 97%

Thursday23 July 2026

☁️22°overcast clouds

sunrise 05:56 · sunset 21:42 · night 21° · evening 21° · humidity 40% · wind 5 m/s · clouds 100%

☀️ UV index in Brussels - is it safe to sunbathe?

Today the UV index in Brussels is 7 (high) - unprotected fair skin can burn in about 30 minutes. SPF 30-50, a hat and sunglasses are a must. Better stay in shade between 11:00 and 15:00.

🌿 Pollen in Brussels - info for allergy sufferers

Today mugwort pollen is highest in Brussels - about 109 grains/m³, very high level. Allergy sufferers should limit time outdoors on dry, windy days and take medication as advised. Pollen levels are a CAMS model forecast and are indicative.

Air quality and smog in Brussels

City	PM2.5 (µg/m³)	PM10 (µg/m³)	Air quality
Gandawa	12.3	16.9	very good
Bruksela	10.2	15.4	very good
Antwerpia	9.9	15.1	very good
Charleroi	9	13.4	very good
Namur	8.2	12.2	very good

Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-07-08, 03:00).

Brussels weather through the year

Warmest, driest months on average: May, June, July, August.

🎉 Public holidays in Brussels - when are the long weekends?

Next long weekend in Brussels: Belgian National Day (21 July, Tuesday) - Saturday–Tuesday if you take Monday off (4 days).

21 JulyTuesday

Belgian National Day

🎈 long weekend + bridge day

15 AugustSaturday

Assumption Day

falls on a weekend

1 NovemberSunday

All Saints' Day

falls on a weekend

11 NovemberWednesday

Armistice Day

25 DecemberFriday

Christmas Day

🎈 long weekend

1 JanuaryFriday 2027

New Year's Day

🎈 long weekend

28 MarchSunday 2027

Easter Sunday

falls on a weekend

29 MarchMonday 2027

Easter Monday

🎈 long weekend

1 MaySaturday 2027

Labour Day

falls on a weekend

6 MayThursday 2027

Ascension Day

🎈 long weekend + bridge day

17 MayMonday 2027

Whit Monday

🎈 long weekend

21 JulyWednesday 2027

Belgian National Day

Public holidays (statutory days off) - shops, offices and some attractions may be closed. A "bridge day" is a workday between a holiday and the weekend worth taking as leave.

Nearby places

Heist-op-den-BergLa Louvière

FAQ - Brussels weather

What is the weather like in Brussels today?

Today it is about 23° during the day and 18° at night, scattered clouds.

How far ahead can I check the forecast for Brussels?

This page shows a detailed 14-day forecast plus the long-term monthly climate, so you can plan both a short trip and a holiday months ahead.