Aurora Borealis in Saint-Lazare
Canada · 45.40°, -74.13° · geomagnetic 54.7° · needs Kp 7
Tonight's aurora forecast for Saint-Lazare
3%
Peak chance of a visible display tonight, from the same model the Revon app runs. Saint-Lazare 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 Saint-Lazare
Saint-Lazare is located at 54.7° geomagnetic latitude. Auroras are typically visible when the planetary Kp index reaches 7.
On average, there are about 3.2 nights per year when conditions are suitable for aurora viewing. The historical record spans from 2016 to 2026.
The best months for aurora viewing in Saint-Lazare are May, August, and September. These months align with periods of darker skies.
Saint-Lazare experiences a Bortle 7 sky. Areas with darker skies, such as Bortle 4, can be found 62 km north-west near Grenville-sur-la-Rouge, and Bortle 5 skies are available 48 km north-west near Brownsburg-Chatham.
The horizon features include Baie de Como (bay) to the north-north-east, Pointe Boyer (headland) to the north-east, Lac Pine (lake) to the north, Anse de Vaudreuil (bay) to the east-north-east, and Pointe Parsons (headland) to the north.
Nearby geographic features include Baie de Como, a bay located 5.5 km north-north-east of Saint-Lazare. Pointe Boyer, a headland, is situated 5.7 km north-east.
Further points of interest include Lac Pine, a lake 6.0 km north, and Anse de Vaudreuil, a bay 6.5 km east-north-east. Pointe Parsons, another headland, is found 6.8 km north.
There have been 48 verified aurora reports within 300 km of Saint-Lazare between 2015 and 2016.
Notable qualifying nights with high Kp values include 2026-03-20 (Kp 7.0), 2026-01-20 (Kp 7.67), 2026-01-19 (Kp 8.67), 2025-11-12 (Kp 7.33), and 2025-11-11 (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 Saint-Lazare 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 Saint-Lazare.