Belfast, UK Clear Sky Chart

Belfast, UK (54.6°, -5.93°) · Updated 22:14 BST
46
Mixed
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.

Marginal, check the window
BEST 23:00–00:00 (1h)
Partly cloudy with some clear gaps with moderate moon interference. ISS pass at 06:20 — 51° S. Conditions are changeable, so check again closer to the time.
Sunset
18:07
Sunrise
08:10
Usable Hours
5/11
Moon
94%
Visible Planets
♂ Mars45° SE
♃ Jupiter38° SE
♄ Saturn37° S
⛢ Uranus56° S
♆ Neptune35° S
Sky darkness
City sky (Bortle 8-9)
SQM 18.2, estimated from satellite night lights. A property of the place, separate from tonight’s score. How we estimate this
Open Full Belfast, UK Forecast →
Hour-by-hour scores · Planet rise/set & visibility · ISS & satellite passes · Moon detail · Full score breakdown · Aurora & observer profiles

Stargazing in Belfast, UK

Belfast has moderate Bortle 5–6 light pollution that clears rapidly outside the city. The Sperrins, just 50 minutes west, and the Causeway Coast offer Bortle 3–4 darkness, while OM Dark Sky Park near Davagh Forest is Northern Ireland's first designated Dark Sky Park. At 54.6°N, Belfast is excellent for aurora — Kp 4+ storms regularly produce visible displays to the north. Atlantic weather means frequent cloud, but rapid clearances and crystal-clear post-frontal air are common.

Belfast, UK Stargazing FAQ

Can you see the northern lights from Belfast?∨
Yes — Belfast's latitude of 54.6°N gives it genuine aurora prospects. Kp 4+ storms regularly produce visible displays on the northern horizon, and stronger events can fill the sky. The Causeway Coast is an excellent nearby spot for aurora viewing.
Where is the best place to stargaze near Belfast?∨
OM Dark Sky Park in Davagh Forest is about 50 minutes west and is Northern Ireland's first designated Dark Sky Park. The Sperrins and Causeway Coast also offer Bortle 3-4 darkness.
What planets can I see from Belfast tonight?∨
Planet visibility changes throughout the year — check the ClearSkys forecast for Belfast to see which planets are above the horizon tonight, along with their peak altitude and best viewing times.

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.

Best Places to Stargaze: UK Dark Sky Sites

Certified dark sky sites, hidden gems, and how to find the darkest skies near you.

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