Aurora Borealis in Larvik

Norway · 59.05°, 10.04° · geomagnetic 59.0° · needs Kp 5

Tonight's aurora forecast for Larvik

51%

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

Larvik is located at 59.0° geomagnetic latitude. Auroras are typically visible when the planetary Kp index reaches 5.

On average, there are 21.6 nights per year with conditions suitable for aurora viewing in this region. The historical record spans from 2016 to 2026.

The best months for aurora viewing in Larvik are September, March, and October. During these months, the nights are long enough for potential aurora displays.

However, full darkness is absent during May, June, July, and August, which may impact viewing opportunities.

Larvik experiences Bortle 7 light pollution. Areas with Bortle 4 conditions are located 34 km south, and Bortle 5 conditions are 27 km east-south-east near Færder.

Local terrain features include hills and moors. Tiurleikåsene and Langemyråsen are hills located about 3.1 km north of Larvik. Munken is an island 3.3 km north-north-west of Larvik. Kamperhaugen and Hågan are moors 3.3 km north-east of Larvik.

Tiurleikåsene and Langemyråsen are hills situated approximately 3.1 km north of Larvik.

Munken, an island, is located 3.3 km north-north-west of Larvik. Kamperhaugen and Hågan are moorlands found 3.3 km north-east of Larvik.

There have been 21 verified aurora reports within 300 km of Larvik between January 2015 and December 2016.

The historical record indicates viable aurora nights occurred on March 20-24, 2026, with Kp values ranging from 5.0 to 7.0.

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 Larvik 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 Larvik.