Aurora Borealis in Moss

Norway · 59.43°, 10.66° · geomagnetic 59.2° · needs Kp 5

Tonight's aurora forecast for Moss

51%

Peak chance of a visible display tonight, from the same model the Revon app runs. Moss 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
51%
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Get the full 30-night forecast in Revon

Updated 2026-09-08 10:35 UTC

Local aurora guide for Moss

Aurora activity is measured by the Kp index, with Kp 5 being the minimum for this location. Moss is at 59.2° geomagnetic latitude.

On average, there are 21.3 nights per year with aurora activity suitable for viewing. The historical record spans from 2016 to 2026.

The best months for aurora viewing are September, March, and October. During these months, there is sufficient darkness for aurora visibility.

From May through August, the region experiences no full darkness due to the high latitude, making aurora viewing impossible during these months.

Moss has a Bortle scale rating of 7, indicating significant light pollution. Areas with Bortle 4 ratings are located 48 km east near Indre Østfold, and Bortle 5 is found 39 km east-south-east near Sarpsborg.

Notable terrain features that may affect viewing include Nebbåsen hill 3.2 km north-west, Kjellandsviktangen headland 3.2 km north, and Lauersbakåsen hill 3.3 km north-east of Moss. Other features include Rambergnebba headland 3.6 km north-west and Gullholmen island 4.4 km west.

Nebbåsen, a hill located 3.2 km north-west of Moss, offers a potential vantage point. Kjellandsviktangen, a headland also 3.2 km north of Moss, is another feature.

Further afield, Lauersbakåsen hill is situated 3.3 km north-east of Moss. Rambergnebba, a headland, lies 3.6 km north-west, and Gullholmen island is 4.4 km west of Moss.

Between 2015 and 2016, 242 verified aurora sightings were reported within a 300 km radius of Moss.

Notable aurora events recorded with a Kp index of 5.0 or higher include March 20, 2026 (Kp 7.0), March 21, 2026 (Kp 6.0), March 22, 2026 (Kp 6.67), March 23, 2026 (Kp 5.0), and March 24, 2026 (Kp 5.0).

Sources: 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 Moss 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 Moss.