Aurora Borealis in Keswick
Canada · 44.25°, -79.47° · geomagnetic 53.5° · needs Kp 7
Tonight's aurora forecast for Keswick
1%
Peak chance of a visible display tonight, from the same model the Revon app runs. Keswick 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 Keswick
Keswick is at a geomagnetic latitude of 53.5°, which is favorable for aurora viewing.
Auroras are typically visible here when the planetary Kp index reaches 7.
On average, there are 3.2 nights per year with conditions suitable for aurora viewing.
The best months for aurora viewing in Keswick are May, August, and September.
These months offer a good overlap between the dark night sky and historical aurora activity.
Keswick has a Bortle scale rating of 5, indicating moderate light pollution.
Areas with darker skies, rated Bortle 4, can be found 33 km north-east near Ramara Township.
Other nearby areas with Bortle 5 ratings include 3 km west near Georgina.
Potential viewing locations near Keswick include Roches Point, a headland 3.2 km north-west.
Cook's Bay, a bay 4.0 km west, and De Grassi Point, a headland 5.3 km west, are also nearby.
Further afield, Snake Island is an island 7.5 km north, and Alcona Beach is a beach 9.1 km north-west.
Between 2016 and 2026, there were 3.2 viable aurora nights per year recorded.
The period of record spans from April 2, 2016, to March 30, 2026.
Notable qualifying nights include March 20, 2026 (Kp 7.0), January 20, 2026 (Kp 7.67), and January 19, 2026 (Kp 8.67).
Sources: Revon analysis of NOAA planetary Kp · Falchi 2016 World Atlas of artificial night sky brightness · GeoNames (CC BY 4.0)
Know when it is worth going outside
Revon watches the Keswick 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 Keswick.