Aurora Borealis in Westmount
Canada · 45.48°, -73.60° · geomagnetic 54.8° · needs Kp 7
Tonight's aurora forecast for Westmount
3%
Peak chance of a visible display tonight, from the same model the Revon app runs. Westmount 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 Westmount
Westmount is located at 54.8° geomagnetic latitude. Auroras are typically visible at this latitude when the Kp index reaches 7.
Based on historical data, there are approximately 3.2 nights per year when conditions are suitable for aurora viewing in this region.
The record span for this data is from April 2, 2016, to March 30, 2026.
The best months for aurora viewing in Westmount are May, August, and September.
These months align with periods of darker skies, increasing the chances of observing the aurora.
Westmount experiences a Bortle 8 light pollution level. This indicates significant artificial light that can obscure aurora visibility.
Areas with darker skies, such as near Saint-Côme (Bortle 4) 86 km to the north, or Sainte-Adèle (Bortle 5) 65 km to the north-north-west, offer better viewing conditions.
The local horizon features include mountains like Belvédère Léo-Ayotte and Belvédère Terry-Fox to the north-north-east, parks such as Parc Joe-Beef and Parc du Faubourg-Sainte-Anne to the east, and a headland at Pointe du Moulin à Vent to the east-north-east.
Potential viewing locations near Westmount include Belvédère Léo-Ayotte and Belvédère Terry-Fox, both mountain viewpoints located 3.0 km to the north-north-east.
To the east, Parc Joe-Beef is situated 3.0 km away, and Parc du Faubourg-Sainte-Anne is 3.2 km to the east-north-east.
Pointe du Moulin à Vent, a headland, is located 4.3 km to the east-north-east.
Between January 1, 2015, and December 31, 2016, there were 41 verified aurora reports within 300 km of Westmount.
The historical data indicates viable aurora viewing nights occurred on March 20, 2026 (Kp 7.0), January 20, 2026 (Kp 7.67), January 19, 2026 (Kp 8.67), November 12, 2025 (Kp 7.33), and November 11, 2025 (Kp 8.67).
The period covered by the aurora viability records is from April 2, 2016, to March 30, 2026.
Sources: 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 Westmount 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 Westmount.