Aurora Borealis in Mariestad

Sweden · 58.71°, 13.82° · geomagnetic 58.0° · needs Kp 5

Tonight's aurora forecast for Mariestad

41%

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

Mariestad is located at 58.0° geomagnetic latitude. Auroras are typically visible when the planetary Kp index reaches 5.

Based on historical data from 2016 to 2026, there are approximately 21.7 nights per year in Mariestad where conditions might be suitable for viewing auroras.

The best months for aurora viewing in Mariestad are September, March, and October. During these months, the nights are typically dark enough to observe the aurora.

However, from May through August, there is not enough full darkness for aurora viewing due to the high latitude and time of year.

Mariestad experiences a Bortle 3 sky, indicating very dark skies with minimal light pollution. This is favorable for aurora observation.

The surrounding areas offer varied horizons. To the north-northwest is Mariestadsfjärden, a bay approximately 4.7 km away. To the west-northwest are the islands of Dillö (5.8 km) and Onsö (8.5 km). Further west are the headlands of Viknäsudde (9.1 km) and Märrudden (9.1 km).

The area around Mariestad offers several points with open horizons that could be suitable for aurora viewing. These include Mariestadsfjärden, a bay located 4.7 km to the north-northwest.

Islands such as Dillö, 5.8 km west-northwest, and Onsö, 8.5 km west-northwest, provide expansive views.

Additionally, headlands like Viknäsudde and Märrudden, both situated 9.1 km to the west, offer unobstructed sightlines.

Between 2016 and 2026, there were approximately 21.7 nights per year in Mariestad suitable for aurora viewing, based on Kp index data.

Historical records show verified sightings in the wider region, with 45 reports logged between 2015 and 2016.

Recent qualifying nights include 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 Mariestad 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 Mariestad.