Northern lights in Golden Circle tonight
South-West Iceland · 64° magnetic latitude · Kp 3 threshold
Kp 1 is well below the Kp 3 threshold needed for aurora to be visible from Golden Circle.
7-day outlook for Golden Circle
Based on CME arrival predictions from NASA DONKI. Arrival times ±6 hours.
auroratonight.space
What Kp is needed here?
Golden Circle sits at a magnetic latitude of approximately 64°N. The Kp index - a global measure of geomagnetic activity on a scale from 0 (quiet) to 9 (extreme storm), updated every 3 hours - needs to reach Kp 3 before the auroral oval expands far enough south to be visible from here.
At Kp 3, visibility is possible from Golden Circle but skies need to be clear and dark. Cloud cover and light pollution remain the main obstacles even when Kp is high enough.
Best dark sky sites near Golden Circle
Light pollution is the biggest obstacle after cloud cover. These sites give you the best dark northern horizon within reach.
Þingvellir National Park
Get directions ↗A UNESCO World Heritage Site where the North American and Eurasian tectonic plates meet. The rift valley gives a wide open dark sky above the Þingvallavatn lake, the largest natural lake in Iceland. At night, completely dark with aurora reflected in the lake. About 45 minutes from Reykjavik.
Geysir geothermal area
Get directions ↗The steam vents and erupting geysers of the Geysir area give a unique aurora foreground. At night the area is dark and the silhouette of steam plumes against a northern lights sky is atmospheric. About 2 km from the main road with a car park.
Gullfoss waterfall viewpoint
Get directions ↗One of Iceland's most powerful waterfalls. The upper viewpoint gives an open north-facing position. At night, the roar of the falls and the dark gorge lit by aurora is dramatic. Car park accessible year-round.
Best time to see the northern lights in Golden Circle
Golden Circle's aurora season runs from late September through to March, when nights are long enough for truly dark skies. The equinox months, September and March, bring a natural boost in geomagnetic activity, making them statistically the best of the season. Summer months bring too much twilight for aurora to be visible at this latitude.
Activity peaks around the September and March equinoxes, when Earth's magnetic field geometry is most favourable for coupling with the solar wind. Events during these two windows tend to produce the strongest displays of the year for observers at Golden Circle's latitude.
April through August brings persistent astronomical twilight that washes out aurora completely. Even strong events (Kp 6+) remain invisible during this period because the sky never gets dark enough.
Other Iceland aurora forecasts
Up to 8 locations
How often does the aurora appear in Golden Circle?
Average nights per month the Kp reached Golden Circle's threshold of 3+, from 15 years of geomagnetic data (2010–2024).
Counts the Kp 3+ threshold only - cloud cover and local darkness are not included.
Kp data: GFZ German Research Centre for Geosciences, CC BY 4.0
Plan your trip to Golden Circle
Best window
The September to November window averages 36 aurora nights - the strongest consecutive stretch of the year.
How long to stay
For your best chance in March, plan at least 3 nights.
Related pages
Northern Lights Iceland
Iceland-wide aurora forecast hub.
Read →Northern Lights Reykjavik Tonight
Reykjavik - 45 minutes from Þingvellir.
Read →Northern Lights Jökulsárlón Tonight
Jökulsárlón glacial lagoon - Iceland's south-east coast.
Read →Northern Lights Photography
Camera settings for Þingvellir and Geysir aurora photography.
Read →What Is the Kp Index?
What Kp 3 means for viewing at 64°N magnetic latitude.
Read →Planning your aurora trip
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Travel Guide Iceland Northern Lights Iceland - Complete Travel Guide
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