Aurora Borealis in Saint-Jean-sur-Richelieu
Canada · 45.31°, -73.26° · geomagnetic 54.7° · needs Kp 7
Tonight's aurora forecast for Saint-Jean-sur-Richelieu
3%
Peak chance of a visible display tonight, from the same model the Revon app runs. Saint-Jean-sur-Richelieu 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.
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Updated 2026-09-08 10:35 UTC
Local aurora guide for Saint-Jean-sur-Richelieu
Saint-Jean-sur-Richelieu is located at 54.7° geomagnetic latitude. Auroras are typically visible at this latitude during geomagnetic storms of Kp 7 or higher.
The region experiences approximately 3.2 nights per year with conditions favorable for aurora viewing. This is based on historical data spanning from 2016 to 2026.
The months of May, September, and August offer the best opportunities for aurora viewing in Quebec.
These months align with periods of darker skies, increasing the chances of observing auroral activity.
Saint-Jean-sur-Richelieu has a Bortle scale rating of 7, indicating significant light pollution.
Darker skies, rated Bortle 4, can be found 111 km north-north-west near Saint-Côme. Bortle 5 skies are available 60 km east near Lac-Brome.
Potential viewing areas with varied horizons include Jardin de la Montgolfière, Parc du Complexe-Sportif-J.-A.-Papineau, Île Sainte-Thérèse, Île Sainte-Marie, and Mont Saint-Grégoire.
Areas near Saint-Jean-sur-Richelieu with diverse horizons include Jardin de la Montgolfière, a park 3.1 km north-west, and Parc du Complexe-Sportif-J.-A.-Papineau, a park 3.2 km north.
Islands such as Île Sainte-Thérèse (6.4 km north) and Île Sainte-Marie (8.8 km north) offer different vantage points.
Mont Saint-Grégoire, a mountain located 10.4 km east-north-east, provides another potential location for observing the sky.
Between 2015 and 2016, 51 verified aurora reports were recorded within 300 km of Saint-Jean-sur-Richelieu.
Notable aurora events occurred on qualifying nights such as March 20, 2026 (Kp 7.0), January 20, 2026 (Kp 7.67), and January 19, 2026 (Kp 8.67).
Additional significant nights include 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
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Revon watches the Saint-Jean-sur-Richelieu 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-Jean-sur-Richelieu.