Aurora Borealis in Hanworth
United Kingdom · 51.43°, -0.38° · geomagnetic 53.3° · needs Kp 7
Tonight's aurora forecast for Hanworth
1%
Peak chance of a visible display tonight, from the same model the Revon app runs. Hanworth 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 Hanworth
Hanworth is at 53.3° geomagnetic latitude. Auroras are typically visible at this latitude during intense geomagnetic storms, which are often associated with a Kp index of 7 or higher.
On average, there are about 2.7 nights per year suitable for aurora viewing in this region. Consistent observation over time may increase your chances.
The best months for aurora viewing in Hanworth are September, August, and November. During these months, the duration of darkness is sufficient for potential aurora sightings.
June and July experience periods without full darkness, which can limit viewing opportunities.
Hanworth experiences a Bortle 8 sky, indicating significant light pollution. Areas with lower Bortle ratings offer darker skies.
Darker skies, such as Bortle 4, can be found approximately 96 km to the east. Near Winchester, about 77 km to the south-west, the sky is rated Bortle 5.
Local terrain features include parks and islands to the east, and a hill to the north.
Radnor Gardens is a park located 3.6 km east-north-east of Hanworth.
Swan Island is an island situated 3.7 km east of Hanworth.
Eel Pie Island, another island, is 4.3 km east-north-east of Hanworth. Marble Hill Park, a park, is 5.2 km east-north-east of Hanworth. The Vale (Heston) is a hill 5.9 km north of Hanworth.
Records indicate approximately 50 verified aurora sightings within a 300 km radius of Hanworth between early 2015 and late 2016.
The period from 2016 to 2026 has recorded several nights with significant geomagnetic activity. These include nights in March 2026 with Kp values of 7.0, 7.67, and 8.67. Further qualifying nights occurred in November 2025 with Kp values of 7.33 and 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 Hanworth 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 Hanworth.