Aurora Borealis in Warminster
United Kingdom · 51.20°, -2.18° · geomagnetic 53.4° · needs Kp 7
Tonight's aurora forecast for Warminster
1%
Peak chance of a visible display tonight, from the same model the Revon app runs. Warminster 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 Warminster
Warminster is at a geomagnetic latitude of 53.4°.
Auroras visible at this latitude typically require a Kp of 7.
On average, there are 2.7 nights per year with conditions suitable for aurora viewing.
The best months for aurora viewing in Warminster are September, August, and November.
During June and July, there is no full darkness, which can impact viewing conditions.
Warminster has a Bortle scale rating of 7, indicating significant light pollution.
Areas with darker skies, such as Bortle 4, are located 84 km south-south-east.
A Bortle 5 area is found 13 km east-north-east near Wiltshire.
Thoulstone Park is a park located 4.8 km north-west of Warminster.
White Horse Hill is a hill situated 6.6 km north-north-east of Warminster.
Clanger Hill, another hill, is 9.4 km north of Warminster. Erlestoke Park is 12.5 km north-east of Warminster. Chew Valley Lake is a lake 33.8 km west-north-west of Warminster.
There have been 51 verified aurora sightings reported within 300 km of Warminster between January 2015 and December 2016.
The historical data includes qualifying nights such as March 20, 2026 (Kp 7.0), January 20, 2026 (Kp 7.67), and January 19, 2026 (Kp 8.67).
Other notable historical dates include 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 Warminster 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 Warminster.