Aurora Borealis in Barnet
United Kingdom · 51.65°, -0.20° · geomagnetic 53.5° · needs Kp 7
Tonight's aurora forecast for Barnet
1%
Peak chance of a visible display tonight, from the same model the Revon app runs. Barnet 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 10:36 UTC
Local aurora guide for Barnet
Barnet is at 53.5° geomagnetic latitude. Auroras visible here typically require a Kp 7 or higher.
On average, there are about 2.7 nights per year with conditions suitable for aurora viewing.
The record span for these observations is from April 2, 2016, to March 30, 2026.
The best months for aurora viewing in Barnet are September, August, and November.
During June and July, there is no full darkness, which can impact viewing conditions.
Barnet has a Bortle scale rating of 7, indicating significant light pollution.
Darker skies, rated Bortle 4, can be found approximately 85 km to the east.
Areas near Braintree, about 62 km to the north-east, offer Bortle 5 conditions. Local terrain includes Shenley Hill to the north-west, North Mimms Park to the north-north-west, Brookmans Park to the north, Chantry Island to the west-north-west, and Bowyer's Water to the east-north-east.
There have been 56 verified aurora reports within 300 km of Barnet between January 1, 2015, and December 31, 2016.
Notable qualifying nights with high Kp values 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
Know when it is worth going outside
Revon watches the Barnet forecast and pushes an alert when the odds for tonight clear your threshold — no checking, no guessing.
Nearby towns
Forecasts for places within reach of Barnet.