Aurora Borealis in Kongsberg

Norway · 59.67°, 9.65° · geomagnetic 59.6° · needs Kp 5

Tonight's aurora forecast for Kongsberg

51%

Peak chance of a visible display tonight, from the same model the Revon app runs. Kongsberg needs Kp 5 to see anything at all, and tonight the forecast peaks at Kp 4.8. Short of the threshold, which is what most nights look like here.

Tonight Tue 08 Sep
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Get the full 30-night forecast in Revon

Updated 2026-09-08 10:35 UTC

Local aurora guide for Kongsberg

Kongsberg is located at 59.6° geomagnetic latitude. Auroras are typically visible when the planetary Kp index reaches 5 or higher.

With an average of 21.0 viable nights per year, patient observation may be rewarded.

Historical data from 2016 to 2026 indicates a span of potential viewing opportunities.

The darkest months for viewing in Kongsberg are typically from September through March.

During May, June, July, and August, the region experiences periods without full darkness, which can impact aurora visibility.

Kongsberg experiences a Bortle 7 sky, indicating significant light pollution.

Areas with darker skies, such as Bortle 4 conditions near Notodden (24 km west-north-west) or Bortle 5 near Flesberg (12 km north-west), offer better viewing.

Local terrain features include moorland at Bevermoen (3.3 km north-north-west) and hills like Langvannskleiva (3.4 km north) and Tamburhaugen (3.6 km east-north-east).

Bevermoen, a moorland area, is located 3.3 km north-north-west of Kongsberg.

Langvannskleiva, a hill, is situated 3.4 km north of Kongsberg.

Tamburhaugen, another hill, lies 3.6 km east-north-east of Kongsberg. Sevlemoen moor is 5.3 km north-north-west, and Rosøya island is 5.6 km north-north-west.

Between 2016 and 2026, there were several nights with Kp values of 5.0 or higher, indicating potential aurora visibility.

These qualifying nights include March 24, 23, 22, 21, and 20 of 2026, with Kp values ranging from 5.0 to 7.0.

Aurorasaurus data shows 245 verified reports within 300 km of Kongsberg between January 1, 2015, and December 31, 2016.

Sources: Revon location dataset · Revon analysis of NOAA planetary Kp · Solar declination and hour-angle calculation · Falchi 2016 World Atlas of artificial night sky brightness · GeoNames (CC BY 4.0) · Aurorasaurus verified positive reports

Know when it is worth going outside

Revon watches the Kongsberg 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 Kongsberg.