Aurora Borealis in Brentwood
United Kingdom · 51.62°, 0.31° · geomagnetic 53.4° · needs Kp 7
Tonight's aurora forecast for Brentwood
1%
Peak chance of a visible display tonight, from the same model the Revon app runs. Brentwood 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 Brentwood
Brentwood is at 53.4° geomagnetic latitude. Auroras visible here require a Kp of 7 or higher.
On average, there are 2.7 nights per year with Kp 7 or higher. This is based on data from 2016 to 2026.
The best months for aurora viewing in Brentwood are September, August, and November.
June and July do not have full darkness, which can impact viewing conditions.
Brentwood has a Bortle scale rating of 7, indicating significant light pollution.
Areas with darker skies, such as Bortle 4, are located 50 km east-south-east, and Bortle 5 skies are 44 km north-north-east near Braintree.
Local terrain features include Lambourne Hill to the west, Epping Forest to the west-north-west, Harlow Town Park to the north-west, Latton Island to the north-west, and Treasure Island to the north-east.
To the west of Brentwood is Lambourne Hill, a hill located 11.8 km away.
Epping Forest, a forested area, is situated 17.4 km west-north-west.
Harlow Town Park, a park, lies 22.6 km north-west of Brentwood. Latton Island and Treasure Island are also nearby, located to the north-west and north-east respectively.
There have been 51 verified aurora reports within 300 km of Brentwood between January 2015 and December 2016.
Based on historical Kp data from 2016 to 2026, there have been several nights with high Kp values.
These include Kp 7.0 on March 20, 2026; Kp 7.67 on January 20, 2026; Kp 8.67 on January 19, 2026; Kp 7.33 on November 12, 2025; and Kp 8.67 on November 11, 2025.
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 Brentwood 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 Brentwood.