Aurora Borealis in Witham
United Kingdom · 51.80°, 0.64° · geomagnetic 53.5° · needs Kp 7
Tonight's aurora forecast for Witham
1%
Peak chance of a visible display tonight, from the same model the Revon app runs. Witham 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.
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Updated 2026-09-08 10:35 UTC
Local aurora guide for Witham
Witham is located at 53.5° geomagnetic latitude. Auroras are typically visible at this latitude during periods of strong geomagnetic activity, indicated by a Kp index of 7 or higher.
On average, there are approximately 2.7 nights per year in this region suitable for aurora viewing, based on historical data spanning from 2016 to 2026.
The best months for aurora viewing in Witham are September, August, and November. During these months, the duration of darkness is sufficient for potential aurora sightings.
Conversely, June and July experience periods without full darkness, which can significantly reduce the chances of observing the aurora.
Witham experiences a Bortle 8 sky, indicating significant light pollution. Areas with darker skies, such as Bortle 4, are located approximately 42 km south-east, and Bortle 5 skies are about 23 km north-east near Babergh.
Several locations with varying horizons are noted in the vicinity. These include Abbey Field, a park 19.8 km east-north-east, and Old Heath Recreation Ground, another park 21.0 km east-north-east. Pewit Island and Rat Island are also noted to the east.
Further afield, Castle Camps airfield, a hill area, is located 33.1 km north-north-west of Witham.
Geographic features near Witham include Abbey Field, a park situated 19.8 km to the east-north-east. Old Heath Recreation Ground, also a park, is located 21.0 km east-north-east.
Islands such as Pewit Island and Rat Island are situated to the east of Witham. Castle Camps airfield, characterized as a hill, lies 33.1 km to the north-north-west.
Historical records indicate 49 verified aurora sightings within a 300 km radius of Witham between January 2015 and December 2016.
The period between 2016 and 2026 has seen several nights with conditions conducive to aurora viewing. These 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 location dataset · 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 Witham forecast and pushes an alert when the odds for tonight clear your threshold — no checking, no guessing.
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Forecasts for places within reach of Witham.