Aurora Borealis in Dartmouth

Canada · 44.67°, -63.58° · geomagnetic 53.9° · needs Kp 7

Tonight's aurora forecast for Dartmouth

2%

Peak chance of a visible display tonight, from the same model the Revon app runs. Dartmouth 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
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Get the full 30-night forecast in Revon

Updated 2026-09-08 10:35 UTC

Local aurora guide for Dartmouth

Dartmouth is at a geomagnetic latitude of 53.9 degrees. Auroras are typically visible at this latitude when the Kp index reaches 7.

On average, there are about 3.2 nights per year in Dartmouth where conditions are suitable for aurora viewing.

The historical record for aurora sightings in this region spans from April 2, 2016, to March 30, 2026.

The best months for aurora viewing in Dartmouth are May, August, and September.

These months align with periods of darker skies, increasing the chances of observing the aurora.

Dartmouth has a Bortle scale rating of 4, indicating a relatively dark sky.

Areas near Waverley, approximately 11 km to the north-east, also have Bortle 4 conditions.

The local horizon features include Frenchman Lake to the north, Lake Micmac to the north-east, Beech Hill to the north, Seaview Point to the west, and Ira Settle Park to the east-north-east.

Frenchman Lake, a body of water located 3.0 km north of Dartmouth, offers a potential viewing area.

Lake Micmac, situated 3.0 km north-east of Dartmouth, is another nearby lake.

Beech Hill, a prominent hill 3.2 km north of Dartmouth, may provide elevated vantage points. Seaview Point, a headland 3.3 km west of Dartmouth, and Ira Settle Park, a park 3.4 km east-north-east of Dartmouth, are also noted features.

There have been 24 verified aurora reports within a 300 km radius of Dartmouth between January 1, 2015, and December 31, 2016.

The historical data indicates specific nights with significant geomagnetic activity, such as March 20, 2026 (Kp 7.0), January 20, 2026 (Kp 7.67), and January 19, 2026 (Kp 8.67).

Additional qualifying nights include November 12, 2025 (Kp 7.33) and November 11, 2025 (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 Dartmouth forecast and pushes an alert when the odds for tonight clear your threshold — no checking, no guessing.

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Nearby towns

Forecasts for places within reach of Dartmouth.