Aurora Borealis in Castleford
United Kingdom · 53.73°, -1.36° · geomagnetic 55.7° · needs Kp 7
Tonight's aurora forecast for Castleford
8%
Peak chance of a visible display tonight, from the same model the Revon app runs. Castleford 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 Castleford
Castleford is at 55.7° geomagnetic latitude. Auroras are typically visible here when the planetary Kp index reaches 7.
On average, there are about 2.7 nights per year when conditions are suitable for viewing.
The record span for these observations is from April 2, 2016, to March 30, 2026.
The best months for aurora viewing in Castleford are September, August, and November.
During May, June, and July, there is no full darkness, which can impact viewing opportunities.
Castleford experiences a Bortle 7 sky, indicating significant light pollution.
Areas with darker skies, such as Bortle 4, are located 66 km west-north-west near North Yorkshire. Bortle 5 skies are found 31 km north-north-east, also near North Yorkshire.
Nearby locations with varied horizons include Fairnurn Ings (reserve, 4.1 km east-north-east), Ledston Park (park, 5.7 km north-north-east), Garforth Cliff (hill, 6.2 km north), Springhead Park (park, 7.6 km west-north-west), and Heron Island (island, 13.4 km north-east).
Fairnurn Ings is a reserve located 4.1 km east-north-east of Castleford.
Ledston Park is a park situated 5.7 km north-north-east of Castleford.
Garforth Cliff is a hill found 6.2 km north of Castleford. Springhead Park, a park, is 7.6 km west-north-west, and Heron Island, an island, is 13.4 km north-east.
There have been 126 verified aurora sightings reported within 300 km of Castleford between January 1, 2015, and December 31, 2016.
The period from April 2, 2016, to March 30, 2026, has recorded an average of 2.7 viable nights per year for aurora viewing.
Specific qualifying nights within this record span include 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 Castleford 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 Castleford.