Aurora Borealis in Westbrook
United States · 43.68°, -70.37° · geomagnetic 53.0° · needs Kp 7
Tonight's aurora forecast for Westbrook
1%
Peak chance of a visible display tonight, from the same model the Revon app runs. Westbrook 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 10:36 UTC
Local aurora guide for Westbrook
Westbrook is located at 53.0° geomagnetic latitude. Auroras are typically visible at this latitude when the Kp index reaches 7.
On average, there are about 3.2 nights per year in Westbrook where conditions are suitable for aurora viewing. This is based on historical data spanning from April 2, 2016, to March 30, 2026.
The best months for aurora viewing in Westbrook are May, August, and September. These months offer a good balance of darkness and potential aurora activity.
Westbrook experiences a Bortle 6 light pollution level. Areas with darker skies, such as near Limington (Bortle 4) 32 km west-north-west or Gorham (Bortle 5) 13 km north-west, may offer better viewing.
Notable terrain features around Westbrook include Anderson Hill (mountain, 4.7 km north-north-west), Lorenzen Hill (mountain, 5.3 km north), South Street Historic District (park, 5.6 km west), Westbrook College Historic District (park, 6.2 km east), and Pleasant Ridge (ridge, 9.5 km north-west).
Areas with varied terrain near Westbrook include Anderson Hill, a mountain located 4.7 km north-north-west, and Lorenzen Hill, another mountain situated 5.3 km north.
Parks such as the South Street Historic District (5.6 km west) and Westbrook College Historic District (6.2 km east) offer open spaces. Pleasant Ridge, a ridge 9.5 km north-west, also provides elevated viewpoints.
There have been 99 verified aurora reports within 300 km of Westbrook between January 1, 2015, and December 31, 2016.
Historically, nights with conditions suitable for aurora viewing in Westbrook 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). These dates are part of a record span 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 Westbrook forecast and pushes an alert when the odds for tonight clear your threshold — no checking, no guessing.
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