Aurora Borealis in Cobham
United Kingdom · 51.33°, -0.41° · geomagnetic 53.3° · needs Kp 7
Tonight's aurora forecast for Cobham
1%
Peak chance of a visible display tonight, from the same model the Revon app runs. Cobham 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 Cobham
Cobham is at a geomagnetic latitude of 53.3°.
Auroras visible at this latitude typically require a Kp of 7.
Based on historical data, there are approximately 2.7 nights per year with conditions suitable for aurora viewing.
The best months for aurora viewing in Cobham are September, August, and November.
However, June and July experience periods without full darkness, which may impact viewing opportunities.
Cobham has a Bortle scale rating of 8, indicating significant light pollution.
Areas with darker skies, such as Bortle 4 conditions, are located 100 km to the east-north-east.
Bortle 5 conditions can be found near Winchester, 69 km to the west-south-west.
To the north-east of Cobham, you can find Claremont Lake, 3.6 km away, and Claremont Park, 4.2 km away.
The Lake is also located 4.8 km to the north-east.
To the west, The Island is situated 3.6 km from Cobham, and Trinity Island is 5.7 km to the north-west.
Between 2016 and 2026, there have been an average of 2.7 nights per year suitable for aurora viewing.
Historical records show 45 verified aurora sightings within a 300 km radius between 2015 and 2016.
Notable qualifying nights in the recent past include March 20, 2026 (Kp 7.0), January 20, 2026 (Kp 7.67), and January 19, 2026 (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
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Nearby towns
Forecasts for places within reach of Cobham.