Aurora Borealis in Kópavogur
Iceland · 64.11°, -21.91° · geomagnetic 68.8° · needs Kp 3
Tonight's aurora forecast for Kópavogur
55%
Peak chance of a visible display tonight, from the same model the Revon app runs. Kópavogur needs Kp 3 before anything clears the northern horizon, and tonight the forecast peaks at Kp 5.0 — comfortably over the line.
Get the full 30-night forecast in Revon
Updated 2026-09-08 10:35 UTC
Local aurora guide for Kópavogur
Kópavogur 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 9. The supplied darker-sky reference is 17 km north-north-east at Bortle 5.
Aurorasaurus recorded 246 verified reports within 300 km of Kópavogur 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 Kópavogur forecast and pushes an alert when the odds for tonight clear your threshold — no checking, no guessing.
Nearby towns
Forecasts for places within reach of Kópavogur.