Aurora Borealis in Uppsala

Sweden · 59.86°, 17.64° · geomagnetic 58.5° · needs Kp 5

Tonight's aurora forecast for Uppsala

49%

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

Auroras are visible at Uppsala's geomagnetic latitude of 58.5° when the planetary Kp index reaches 5.

On average, there are 20.8 nights per year with aurora potential.

This data is based on observations between April 2, 2016, and March 30, 2026.

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

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

Uppsala experiences a Bortle 6 sky brightness.

Areas with Bortle 4 sky brightness are located 17 km north-north-east of Uppsala.

Notable features around Uppsala include the lakes Funbosjön and Osasjön to the east, and the hills Nötbacken and Forsa to the west and north respectively. Sörsjön is a bay located to the north-west.

Funbosjön is a lake located 13.0 km east-north-east of Uppsala.

Osasjön is a lake situated 14.8 km east of Uppsala.

Nötbacken, a hill, is 15.6 km west of Uppsala. Forsa, another hill, is 15.7 km north of Uppsala. Sörsjön, a bay, is 33.8 km north-north-west of Uppsala.

There were 83 verified aurora reports within 300 km of Uppsala between January 1, 2015, and December 31, 2016.

The period from April 2, 2016, to March 30, 2026, recorded an average of 20.8 viable aurora nights per year.

Specific qualifying nights within this period include March 20-24, 2026, with Kp values ranging from 5.0 to 7.0.

Sources: Revon analysis of NOAA planetary Kp · Revon location dataset · 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 Uppsala 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 Uppsala.