Aurora Borealis in Marlow
United Kingdom · 51.57°, -0.77° · geomagnetic 53.5° · needs Kp 7
Tonight's aurora forecast for Marlow
1%
Peak chance of a visible display tonight, from the same model the Revon app runs. Marlow 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 Marlow
Marlow is at 53.5° geomagnetic latitude. Auroras are typically visible here when the Kp index reaches 7.
On average, there are 2.7 nights per year with conditions suitable for aurora viewing.
The historical record spans from 2016 to 2026.
The best months for aurora viewing in Marlow are September, August, and November.
June and July experience no full darkness, which may impact viewing opportunities.
Marlow has a Bortle 7 rating, indicating significant light pollution.
Areas with Bortle 4 conditions are located 120 km south, and Bortle 5 conditions are 70 km west-north-west near the Cotswold District.
Notable terrain features include Widdenton Park Hill to the north-north-west, Frieth Hill to the north-west, Bradbury's Island to the east, Pynesfield Lake to the east-north-east, and Horse Shoe Bay to the east-north-east.
Widdenton Park Hill is a hill located 6.4 km north-north-west of Marlow.
Frieth Hill is another hill situated 7.3 km north-west of Marlow.
To the east, Bradbury's Island is an island 17.8 km away, and Pynesfield Lake is a lake 19.1 km east-north-east. Horse Shoe Bay is a bay 19.5 km east-north-east.
There are 59 verified aurora reports within 300 km of Marlow between 2015 and 2016.
The historical record indicates specific nights with high Kp values, including 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 Marlow 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 Marlow.