Tromsø, Norway Clear Sky Chart

Tromsø, Norway (69.65°, 18.96°) · Updated 21:38 CET
36
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.

Marginal, check the window
BEST · MOON UP 18:00–20:00 (2h)
Mostly clear skies but bright moonlight limits faint objects. Mars, Jupiter, Saturn well placed tonight.
Sunset
15:12
Sunrise
07:47
Usable Hours
5/11
Moon
99%
Visible Planets
♂ Mars34° SE
♃ Jupiter29° SE
♄ Saturn22° S
⛢ Uranus41° S
♆ Neptune20° S
Sky darkness
City sky (Bortle 8-9)
SQM 17.8, estimated from satellite night lights. A property of the place, separate from tonight’s score. How we estimate this
Aurora

Kp 2 forecast — good chance of aurora

Open Full Tromsø, Norway Forecast →
Hour-by-hour scores · Planet rise/set & visibility · ISS & satellite passes · Moon detail · Full score breakdown · Aurora & observer profiles

Stargazing in Tromsø, Norway

Tromsø is one of Europe's premier aurora destinations, sitting directly under the auroral oval at 69.7°N. During polar night (November–January), the sun doesn't rise, giving extended dark observing time — though true darkness also requires the moon to be absent. Aurora is visible on roughly half of clear nights from September through March. The surrounding Lyngen Alps and fjords provide dramatic landscapes under the northern lights. Light pollution is moderate (Bortle 5) and drops to Bortle 2–3 quickly outside town.

Tromsø, Norway Stargazing FAQ

Is Tromsø good for seeing the northern lights?∨
Tromsø is one of the world's premier aurora destinations, sitting directly under the auroral oval at 69.7°N. Aurora is visible on roughly half of clear nights from September through March.
Does Tromsø have polar night?∨
Yes — from late November to mid-January, the sun doesn't rise above the horizon. This provides extended dark time for aurora viewing and stargazing, though true darkness also requires the moon to be absent.
When is the best time to visit Tromsø for aurora?∨
September through March, with peak activity around the equinoxes (September-October and February-March). The Abisko area, 30 minutes west, sits in a rain shadow with statistically higher clear-sky rates.

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.

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