Aurora Borealis in Ruislip
United Kingdom · 51.57°, -0.42° · geomagnetic 53.5° · needs Kp 7
Tonight's aurora forecast for Ruislip
1%
Peak chance of a visible display tonight, from the same model the Revon app runs. Ruislip 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 Ruislip
Ruislip is at a geomagnetic latitude of 53.5°. Auroras are typically visible at this latitude when the Kp index reaches 7.
On average, there are about 2.7 nights per year in Ruislip 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 Ruislip are September, August, and November.
During June and July, there is no full darkness, which can impact aurora visibility.
Ruislip experiences a Bortle 8 sky, indicating significant light pollution.
Darker skies, rated Bortle 4, can be found approximately 99 km to the east. A Bortle 5 sky is available around 79 km to the north-east, near Braintree.
Local terrain features include hills to the north-north-east and north-north-west, a park to the north-west, a bay to the west-north-west, and a nature reserve to the north-west.
Sandy Lane is a hill located 4.8 km north-north-east of Ruislip.
The Green, Harefield is a park situated 5.3 km north-west of Ruislip.
Batchworth Heath is a hill 5.7 km north-north-west of Ruislip. Park Wood Nature Reserve is a reserve 6.0 km north-west of Ruislip. Horse Shoe Bay is a bay 6.2 km west-north-west of Ruislip.
There have been 57 verified aurora reports within 300 km of Ruislip between January 1, 2015, and December 31, 2016.
The region has experienced an average of 2.7 aurora-viable nights per year between 2016 and 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 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
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Revon watches the Ruislip 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 Ruislip.