Aurora Borealis in Grangemouth
United Kingdom · 56.01°, -3.72° · geomagnetic 58.3° · needs Kp 5
Tonight's aurora forecast for Grangemouth
49%
Peak chance of a visible display tonight, from the same model the Revon app runs. Grangemouth needs Kp 5 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 Grangemouth
Grangemouth is located at 58.3° geomagnetic latitude. Auroras are typically visible when the planetary Kp index reaches 5.
On average, there are 22.6 nights per year in Grangemouth where conditions are suitable for aurora viewing.
The historical record spans from April 2, 2016, to March 30, 2026.
The best months for aurora viewing in Grangemouth are September, March, and October.
During May, June, and July, there is no full darkness, which can impact viewing opportunities.
Grangemouth experiences a Bortle 7 sky, indicating significant light pollution.
Areas with darker skies, such as near Stirling (Bortle 4) 42 km north-west, or near Perth and Kinross (Bortle 5) 27 km north, offer better viewing conditions.
Local terrain features include Righead Hill (8.4 km north-north-east), Peathill (9.2 km north-north-east), and the historical A-Line Light (9.4 km east-north-east).
Righead Hill is a hill located 8.4 km north-north-east of Grangemouth.
Peathill, another hill, is situated 9.2 km north-north-east of Grangemouth.
Torry Bay is a bay 9.7 km east-north-east of Grangemouth, and Inch is an island 12.0 km north-north-west.
There have been 252 verified aurora reports within 300 km of Grangemouth between January 1, 2015, and December 31, 2016.
The data indicates an average of 22.6 viable aurora nights per year.
Notable qualifying nights in the recent record include March 20-24, 2026, with Kp values ranging from 5.0 to 7.0.
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 Grangemouth 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 Grangemouth.