Aurora Borealis in Braintree
United Kingdom · 51.88°, 0.55° · geomagnetic 53.6° · needs Kp 7
Tonight's aurora forecast for Braintree
1%
Peak chance of a visible display tonight, from the same model the Revon app runs. Braintree 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 Braintree
Auroras are visible in Braintree when the geomagnetic activity reaches Kp 7 or higher. This level of activity is expected to occur approximately 2.7 nights per year.
The geomagnetic latitude of Braintree is 53.6°.
The best months for aurora viewing in Braintree are September, August, and November. During these months, there are sufficient hours of darkness.
June and July do not have full darkness, which can impact viewing conditions.
Braintree experiences a Bortle 5 sky quality. Areas with Bortle 4 quality skies are located 52 km to the southeast.
A Bortle 5 sky quality area is also found 14 km to the north-northwest, near Braintree.
Castle Camps airfield, a hill, is located 22.6 km north-northwest of Braintree.
Abbey Field, a park, is situated 23.6 km east of Braintree.
Old Heath Recreation Ground, a park, is found 25.0 km east of Braintree. Duck Island, an island, is 27.7 km north-west of Braintree, and The Island, another island, is 29.8 km north-north-west of Braintree.
There have been 53 verified aurora sightings reported within 300 km of Braintree between January 1, 2015, and December 31, 2016.
The period from 2016 to 2026 has recorded several nights with significant geomagnetic activity, including Kp 7.0 on March 20, 2026, and Kp 7.67 on January 20, 2026.
Further qualifying nights include 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
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Nearby towns
Forecasts for places within reach of Braintree.