Aurora Borealis in Hudiksvall

Sweden · 61.73°, 17.11° · geomagnetic 60.4° · needs Kp 5

Tonight's aurora forecast for Hudiksvall

52%

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

Hudiksvall is located at 60.4° geomagnetic latitude. Auroras are typically visible when the planetary Kp index reaches 5.

With an average of 19.9 viable nights per year, patience may be required for aurora viewing.

The record span for these observations is from 2016-04-02 to 2026-03-30.

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

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

The area around Hudiksvall has a Bortle rating of 4, indicating a dark sky environment.

Specific dark sky locations, such as near Hudiksvalls kommun, are rated Bortle 4.

Notable features include Kastellsjön (lake) to the north-north-east, Håckstaviken (lake) to the east, and Könsberg (hill) to the east-north-east.

Kastellsjön, a lake located 7.8 km north-north-east of Hudiksvall, offers potential viewing spots.

Håckstaviken, another lake, is situated 9.4 km east of Hudiksvall.

For elevated views, Könsberg (hill) is 11.1 km east-north-east, and Bromsvallsberget (hill) is 12.7 km north-north-west of Hudiksvall. Stensöfjärden (bay) is 15.1 km east-north-east.

There have been 81 verified aurora reports within 300 km of Hudiksvall between 2015 and 2016.

The data indicates an average of 19.9 viable nights per year for aurora viewing.

Qualifying nights with a Kp index of 5.0 or higher occurred on March 20-24, 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 Hudiksvall 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 Hudiksvall.