Aurora Borealis in Potters Bar
United Kingdom · 51.69°, -0.18° · geomagnetic 53.6° · needs Kp 7
Tonight's aurora forecast for Potters Bar
1%
Peak chance of a visible display tonight, from the same model the Revon app runs. Potters Bar 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.
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Updated 2026-09-08 10:35 UTC
Local aurora guide for Potters Bar
Potters Bar is at 53.6° geomagnetic latitude. Auroras visible at this latitude require a Kp of 7 or higher.
On average, there are 2.7 nights per year with a Kp of 7 or higher. These conditions occurred between 2016 and 2026.
The best months for aurora viewing in Potters Bar are September, August, and November. During these months, the nights are long enough for potential aurora sightings.
June and July experience periods without full darkness, which can make aurora viewing impossible.
Potters Bar has a Bortle scale rating of 7, indicating significant light pollution. Areas with darker skies, such as Bortle 4 conditions, are located 84 km east-south-east, and Bortle 5 conditions are 58 km north-east near Braintree.
Nearby features include Brookmans Park, a park 4.4 km north, and North Mimms Park, a park 5.6 km west-north-west. Lakes such as Bowyer's Water and Cheshunt Lake are located to the east, approximately 10.7 km and 11.0 km away respectively. Chantry Island is 10.8 km to the west.
Brookmans Park is a park located 4.4 km north of Potters Bar. North Mimms Park, another park, is situated 5.6 km west-north-west.
To the east, Bowyer's Water and Cheshunt Lake are bodies of water approximately 10.7 km and 11.0 km away. Chantry Island is located 10.8 km to the west.
Between 2015 and 2016, 57 verified aurora sightings were reported within 300 km of Potters Bar. The historical record spans from April 2, 2016, to March 30, 2026.
Specific qualifying nights with Kp values of 7.0 or higher 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 · Solar declination and hour-angle calculation · Falchi 2016 World Atlas of artificial night sky brightness · GeoNames (CC BY 4.0) · Aurorasaurus verified positive reports
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