Aurora Borealis in East Dereham
United Kingdom · 52.68°, 0.93° · geomagnetic 54.3° · needs Kp 7
Tonight's aurora forecast for East Dereham
2%
Peak chance of a visible display tonight, from the same model the Revon app runs. East Dereham 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 East Dereham
East Dereham is at 54.3° geomagnetic latitude. Auroras visible here typically require a Kp 7 or higher.
On average, there are about 2.7 nights per year with conditions suitable for aurora viewing.
The record span for these observations is from April 2, 2016, to March 30, 2026.
The best months for aurora viewing in East Dereham are September, August, and November.
During June and July, there is no full darkness, which can impact viewing conditions.
East Dereham experiences a Bortle 5 sky. Areas with darker skies, such as Bortle 2, can be found 35 km to the north.
A Bortle 5 sky is also present 9 km north-north-east near the Breckland District.
Pigg's Grave, a hill located 19.9 km north-east of East Dereham, offers a potential viewing location.
Massingham Heath, another hill, is situated 20.3 km west-north-west of the town.
Further afield, Island Pond is an island 28.5 km north-east, Stiffkey Meals is an island 31.2 km north, and Sheringham Park is a park 31.7 km north-east of East Dereham.
There have been 59 verified aurora reports within 300 km of East Dereham between January 1, 2015, and December 31, 2016.
Notable qualifying nights with high Kp values include March 20, 2026 (Kp 7.0), January 20, 2026 (Kp 7.67), and January 19, 2026 (Kp 8.67).
Additional qualifying nights occurred on 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 East Dereham 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 East Dereham.