Brussels, Belgium Clear Sky Chart

Brussels, Belgium (50.85°, 4.35°) · Updated 22:14 CEST
24
Poor
high confidence ⓘ
high · Forecast stability

Tonight's forecast has held steady across recent updates. We compare how much tonight's score has moved across our recent forecast updates, a score that's held steady is more trustworthy.

Confidence reflects how trustworthy the forecast is, it doesn't change the score.

Probably skip tonight
Heavy cloud expected with very low moonlight. High dew risk, so optics will fog without dew heaters.
Sunset
20:01
Sunrise
07:16
Usable Hours
0/9
Moon
6%
Visible Planets
♂ Mars32° E
♃ Jupiter11° E
♄ Saturn42° S
⛢ Uranus57° SE
♆ Neptune39° S
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Hour-by-hour scores · Planet rise/set & visibility · ISS & satellite passes · Moon detail · Full score breakdown · Aurora & observer profiles

Stargazing in Brussels, Belgium

Brussels sits in one of Europe's most densely lit regions — the Bortle 8 glow extends across much of Belgium. The Belgian Ardennes (90 minutes south-east) offer the country's best dark skies, reaching Bortle 4 in the more remote valleys. Belgium's maritime climate means frequent cloud, but high-pressure systems from the Azores bring clear spells. The Royal Observatory of Belgium in Uccle has been operating since 1826.

Brussels, Belgium Stargazing FAQ

Where is the best dark sky near Brussels?∨
The Belgian Ardennes, about 90 minutes south-east, offer the country's best dark skies at Bortle 4 in the more remote valleys. The area around Bastogne and the Our Valley is popular with Belgian astronomers.
Can you stargaze in Belgium?∨
Belgium is one of Europe's most densely lit countries, but planets and the Moon are visible from anywhere on clear nights. The Ardennes provide a genuine dark-sky escape within reasonable driving distance.
When is the best time to stargaze near Brussels?∨
High-pressure systems from the Azores bring the clearest conditions, most common in late spring and early autumn. Belgium's maritime climate means cloud is frequent, so check the forecast and seize clear nights.

Stargazing guides

Is Tonight Good for Stargazing?

The answer depends on five things you can check right now.

Light Pollution & the Bortle Scale

How dark is your sky: and what difference does it make?

What Planets Are Visible Tonight?

Real visibility data for all 7 naked-eye and telescope planets, calculated for your location.

Why the Sky Isn't Dark in Summer

What happens to stargazing when the sun barely sets: and what you can still see.
Check light pollution for this area ↗

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