Aurora Borealis in Clarence-Rockland

Canada · 45.55°, -75.29° · geomagnetic 54.9° · needs Kp 7

Tonight's aurora forecast for Clarence-Rockland

4%

Peak chance of a visible display tonight, from the same model the Revon app runs. Clarence-Rockland 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.

Tonight Tue 08 Sep
4%
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Get the full 30-night forecast in Revon

Updated 2026-09-08 10:35 UTC

Local aurora guide for Clarence-Rockland

The aurora borealis is typically visible at Clarence-Rockland when the geomagnetic activity reaches Kp 7 or higher. This level of activity is expected to occur approximately 3.2 nights per year.

Clarence-Rockland is located at a geomagnetic latitude of 54.9 degrees. This latitude is favorable for viewing auroras, but requires significant geomagnetic activity.

The best months for aurora viewing in Clarence-Rockland are May, August, and September. These months offer a good balance of darkness and potential aurora activity.

Clarence-Rockland experiences light pollution levels corresponding to a Bortle 5 classification. Areas with less light pollution, such as Bortle 4 skies, can be found 22 km north near Mulgrave-et-Derry.

The horizon near Clarence-Rockland is varied. Features include Baie Singer 4.5 km to the north-east, Clarence Island 5.9 km to the north-east, and Fox Point 5.9 km to the north-east. Parker Island is located 6.9 km to the east-north-east, and Parc Armand-Daddy-Lacelle is 10.4 km to the west.

Geographic features near Clarence-Rockland include Baie Singer, a bay located 4.5 km to the north-east. Clarence Island and Fox Point are also situated 5.9 km to the north-east. Parker Island is 6.9 km to the east-north-east, and Parc Armand-Daddy-Lacelle is 10.4 km to the west.

Between 2016 and 2026, there were approximately 3.2 nights per year with conditions suitable for aurora viewing in Clarence-Rockland. The historical record spans from April 2, 2016, to March 30, 2026.

Notable qualifying nights within this period include 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).

Sources: Revon analysis of NOAA planetary Kp · Falchi 2016 World Atlas of artificial night sky brightness · GeoNames (CC BY 4.0)

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Nearby towns

Forecasts for places within reach of Clarence-Rockland.