Aurora Borealis in Nuuk

Greenland · 64.18°, -51.72° · geomagnetic 72.6° · needs Kp 3

Tonight's aurora forecast for Nuuk

23%

Peak chance of a visible display tonight, from the same model the Revon app runs. Nuuk needs Kp 3, and tonight the forecast peaks at Kp 3.3. That is on the threshold rather than over it, so cloud and moonlight will decide the night.

Tonight Sun 09 Aug
23%
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Get the full 30-night forecast in Revon

Updated 2026-08-09 18:23 UTC

Local aurora guide for Nuuk

Nuuk generally needs planetary Kp 3 before the aurora borealis reaches the local sky. Historical Kp and darkness data produce about 113.3 viable nights a year across 10.0 years of records.

The strongest historical overlap of darkness and activity occurs in March, September and October. From April through August, limited astronomical darkness can prevent viewing.

The central sky is approximately Bortle 2.

Aurorasaurus recorded 1 verified reports within 300 km of Nuuk between 2015-01-01 and 2016-12-31. These records describe past observations, not tonight's prediction.

Sources: Revon analysis of NOAA planetary Kp · Solar declination and hour-angle calculation · Falchi 2016 World Atlas of artificial night sky brightness · Aurorasaurus verified positive reports

Know when it is worth going outside

Revon watches the Nuuk forecast and pushes an alert when the odds for tonight clear your threshold — no checking, no guessing.

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Nearby towns

Forecasts for places within reach of Nuuk.