Aurora Borealis in St Helens
United Kingdom · 53.45°, -2.73° · geomagnetic 55.7° · needs Kp 7
Tonight's aurora forecast for St Helens
9%
Peak chance of a visible display tonight, from the same model the Revon app runs. St Helens needs Kp 7 to see anything at all, and tonight the forecast peaks at Kp 4.9. Short of the threshold, which is what most nights look like here.
Get the full 30-night forecast in Revon
Updated 2026-09-08 10:35 UTC
Local aurora guide for St Helens
The aurora borealis is visible at Kp 7, which occurs on average 2.7 nights per year in St Helens.
St Helens is located at 55.7° geomagnetic latitude. This latitude is favorable for aurora viewing.
The best months for aurora viewing in St Helens are September, August, and November.
During May, June, and July, there is no full darkness, which may impact viewing conditions.
St Helens has a Bortle 7 rating, indicating significant light pollution.
Nearby areas with darker skies include Ribble Valley (Bortle 4) 63 km north-east and a Bortle 5 area 51 km west.
Local terrain features that may affect the horizon include Crank Hill, Billinge Hill, Valley Park, Fazerkeley Hall Recreational Ground, and Goose Island.
Crank Hill is a hill located 4.4 km north of St Helens.
Billinge Hill is another hill situated 6.5 km north of St Helens.
Valley Park is a park 11.3 km west-north-west of St Helens. Fazerkeley Hall Recreational Ground is a park 12.6 km west of St Helens. Goose Island is an island 14.4 km north-north-west of St Helens.
There have been 226 verified aurora sightings reported within 300 km of St Helens between 2015 and 2016.
The historical record spans from April 2, 2016, to March 30, 2026.
Notable qualifying nights include March 20, 2026 (Kp 7.0), January 20, 2026 (Kp 7.67), January 19, 2026 (Kp 8.67), November 12, 2025 (Kp 7.33), and November 11, 2025 (Kp 8.67).
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 St Helens forecast and pushes an alert when the odds for tonight clear your threshold — no checking, no guessing.
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Forecasts for places within reach of St Helens.