Aurora Borealis in Halden

Norway · 59.12°, 11.39° · geomagnetic 58.8° · needs Kp 5

Tonight's aurora forecast for Halden

51%

Peak chance of a visible display tonight, from the same model the Revon app runs. Halden 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 Halden

Halden is located at 58.8° geomagnetic latitude. Auroras are typically visible when the planetary Kp index reaches 5.

With an average of 21.6 viable nights per year, patient observation may be rewarded.

The record span for these observations is from April 2, 2016, to March 30, 2026.

The best months for aurora viewing in Halden are September, March, and October.

During May, June, July, and August, there is no full darkness, which may impact viewing opportunities.

Halden has a Bortle rating of 4, indicating a dark sky location.

Areas with Bortle 4 conditions are found 15 km south-south-east of Halden.

Notable terrain features include hills like Gøperødåsen and Eikeliene to the north, and lakes such as Femsjøen and Korsetvatnet to the east and north.

Gøperødåsen, a hill located 3.2 km north-north-east of Halden, offers terrain for observation.

Eikeliene, another hill situated 3.6 km north of Halden, is also nearby.

To the east-north-east, Femsjøen lake is approximately 7.0 km away, and Blæsemoen moor is 7.5 km east of Halden. Korsetvatnet lake is 7.8 km north of Halden.

Records indicate 21 verified aurora reports within 300 km of Halden between January 1, 2015, and December 31, 2016.

The data also shows specific nights with Kp values of 5.0 or higher, including March 20, 21, 22, 23, and 24, 2026.

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 Halden 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 Halden.