Aurora Borealis in Antrim
United Kingdom · 54.72°, -6.21° · geomagnetic 57.5° · needs Kp 7
Tonight's aurora forecast for Antrim
40%
Peak chance of a visible display tonight, from the same model the Revon app runs. Antrim 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 Antrim
Antrim is at a geomagnetic latitude of 57.5°. Auroras are typically visible at this latitude when the Kp index reaches 7.
On average, there are about 2.6 nights per year in Antrim where conditions are suitable for aurora viewing.
The historical record for aurora sightings in this region spans from April 2, 2016, to March 30, 2026.
The best months for aurora viewing in Antrim are September, August, and November.
During May, June, and July, there is not enough darkness for aurora viewing.
Antrim experiences a Bortle 5 sky. Areas to the east, near Mid and East Antrim District, have a Bortle 4 rating.
North-west of Antrim, near Antrim and Newtownabbey District, the sky is also Bortle 5.
The horizon features include hills such as Carnearny and Carn Hill, and mountains like Big Collin and Wee Collin. Lough Beg, a lake, is also to the west-north-west.
To the north-north-east of Antrim, the hill of Carnearny rises.
Further north-east are the mountains of Big Collin and Wee Collin.
To the west-north-west lies Lough Beg, a lake, and to the east is Carn Hill.
There are 241 verified aurora reports within 300 km of Antrim, recorded between January 1, 2015, and December 31, 2016.
The historical record shows viable aurora nights occurred on 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 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 Antrim 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 Antrim.