Seoul, South Korea Clear Sky Chart

Seoul, South Korea (37.57°, 126.98°) · Updated 23:34 KST
75
Good
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.

Great night ahead
BEST 19:00–05:00 (10h)
Near-perfect skies but bright moonlight limits faint objects. ISS pass at 05:56 — 18° NNE.
Sunset
17:38
Sunrise
06:53
Usable Hours
11/11
Moon
92%
Visible Planets
♂ Mars57° SE
♃ Jupiter50° SE
♄ Saturn54° S
⛢ Uranus73° S
♆ Neptune52° S
Sky darkness
City sky (Bortle 8-9)
SQM 17.3, estimated from satellite night lights. A property of the place, separate from tonight’s score. How we estimate this
Open Full Seoul, South Korea Forecast →
Hour-by-hour scores · Planet rise/set & visibility · ISS & satellite passes · Moon detail · Full score breakdown · Aurora & observer profiles

Stargazing in Seoul, South Korea

Seoul's dense urban light (Bortle 8–9) makes deep-sky observing difficult from the city, but planets and the Moon are always accessible. The mountains of Gangwon Province (2 hours east) reach Bortle 3–4 and are popular with Korean amateur astronomers. South Korea's monsoon season (July–August) brings persistent cloud, but autumn (September–November) offers some of the year's clearest and most transparent conditions.

Seoul, South Korea Stargazing FAQ

Where can I stargaze near Seoul?∨
The mountains of Gangwon Province, about 2 hours east, reach Bortle 3-4 and are popular with Korean amateur astronomers. Seoraksan and Odaesan National Parks offer good dark-sky access.
When is the best time to stargaze in South Korea?∨
Autumn (September-November) offers the year's clearest and most transparent conditions. The monsoon season (July-August) brings persistent cloud. Winter is clear but cold.
Can you see planets from Seoul?∨
Yes — planets are visible from Seoul on any clear night regardless of light pollution. Jupiter and Saturn are particularly rewarding through a telescope even from the city.

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.

Meteor Shower Calendar 2026

Every shower this year: peak dates, expected rates, moon interference, and the two you absolutely cannot miss.

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