Aurora Borealis in East Gwillimbury
Canada · 44.10°, -79.44° · geomagnetic 53.4° · needs Kp 7
Tonight's aurora forecast for East Gwillimbury
1%
Peak chance of a visible display tonight, from the same model the Revon app runs. East Gwillimbury 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 East Gwillimbury
East Gwillimbury is located at 53.4° geomagnetic latitude. Auroras are typically visible when the Kp index reaches 7 or higher.
With an average of 3.2 viable nights per year, patience is key for aurora viewing.
The historical record spans from April 2, 2016, to March 30, 2026.
The best months for aurora viewing in East Gwillimbury are May, August, and September.
These months align with periods of darker skies, increasing the chances of observing the aurora.
East Gwillimbury experiences a Bortle 7 sky, indicating significant light pollution.
Darker skies, rated Bortle 4, can be found approximately 47 km north-northeast near Ramara Township.
Areas with Bortle 5 conditions are located about 17 km north-northwest near Georgina.
Potential viewing locations include Ferguson Point, a headland situated 17.0 km north-northwest of East Gwillimbury.
Cook's Bay, a bay located 17.7 km north-northwest, and De Grassi Point, a headland 18.2 km north-northwest, also offer vantage points.
Inland, Joseph's Lake is situated 20.2 km north-east, and Mud Lake is 21.4 km east-north-east of East Gwillimbury.
Between January 1, 2015, and December 31, 2016, there were 61 verified aurora reports within 300 km of East Gwillimbury.
Notable qualifying nights with high Kp values include March 20, 2026 (Kp 7.0), January 20, 2026 (Kp 7.67), and January 19, 2026 (Kp 8.67).
Additional significant events occurred on November 12, 2025 (Kp 7.33) and November 11, 2025 (Kp 8.67).
Sources: Revon location dataset · Revon analysis of NOAA planetary Kp · 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 East Gwillimbury 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 East Gwillimbury.