Aurora Borealis in Cobourg
Canada · 43.96°, -78.17° · geomagnetic 53.3° · needs Kp 7
Tonight's aurora forecast for Cobourg
1%
Peak chance of a visible display tonight, from the same model the Revon app runs. Cobourg needs Kp 7 to see anything at all, and tonight the forecast peaks at Kp 5.0. Short of the threshold, which is what most nights look like here.
Get the full 30-night forecast in Revon
Updated 2026-09-08 10:35 UTC
Local aurora guide for Cobourg
Cobourg is located at 53.3° geomagnetic latitude. Auroras visible at this latitude typically require a Kp of 7 or higher.
With an average of 3.2 viable nights per year, patience is key for aurora viewing in this region. The historical record spans from 2016 to 2026.
The best months for aurora viewing in Cobourg are May, August, and September. These months align with periods of darker skies, increasing your chances of witnessing the aurora.
Cobourg experiences a Bortle 4 sky, indicating a relatively dark environment suitable for aurora observation. Areas near Bortle 4 are found 8 km west-north-west near Hamilton Township.
Notable features in the local horizon include Lucas Point, a headland 4.0 km east-north-east of Cobourg, and Chub Point, another headland 13.3 km east. Further inland, Jamieson's Hill and Cruse's Hill are hills located to the north-west, and Burrison's Bay is a bay to the north.
Geographic features near Cobourg that may offer viewing opportunities include Lucas Point, a headland situated 4.0 km east-north-east. Chub Point, another headland, is located 13.3 km east.
Inland, Jamieson's Hill and Cruse's Hill are elevated areas to the north-west. To the north, Burrison's Bay is a coastal feature.
Between 2015 and 2016, there were 81 verified aurora reports within 300 km of Cobourg. The region experiences an average of 3.2 viable aurora nights per year.
Notable qualifying nights in the historical record include March 20, 2026 (Kp 7.0), January 20, 2026 (Kp 7.67), and January 19, 2026 (Kp 8.67). Additional qualifying nights occurred on November 12, 2025 (Kp 7.33) and November 11, 2025 (Kp 8.67).
Sources: Revon analysis of NOAA planetary Kp · Revon location dataset · 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 Cobourg 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 Cobourg.