Aurora Borealis in Raahe

Finland · 64.68°, 24.48° · geomagnetic 62.0° · needs Kp 5

Tonight's aurora forecast for Raahe

49%

Peak chance of a visible display tonight, from the same model the Revon app runs. Raahe needs Kp 5 to see anything at all, and tonight the forecast peaks at Kp 4.7. Short of the threshold, which is what most nights look like here.

Tonight Tue 08 Sep
49%
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Get the full 30-night forecast in Revon

Updated 2026-09-08 10:35 UTC

Local aurora guide for Raahe

Raahe is located at 62.0° geomagnetic latitude. Auroras are often visible at this latitude when the Kp index reaches 5.

On average, there are 18.1 nights per year suitable for aurora viewing in Raahe. The historical record spans from 2016 to 2026.

The best months for aurora viewing in Raahe are September, March, and October. These months offer a good balance of darkness and clear skies.

However, full darkness is not available during April, May, June, July, and August due to the high latitude.

Raahe has a Bortle 4 rating, indicating a dark sky. Areas 7 km north of Raahe also maintain a Bortle 4 rating.

The horizon is relatively clear, with notable features including islands like Kello and Isokivi to the west and northwest, and hills like Mikonkari and Marinmäki to the northeast and east. Headlands such as Martinmutka are also present to the northeast.

Geographic features near Raahe include islands such as Kello, located 3.1 km west, and Isokivi, 3.2 km northwest. Hills like Mikonkari are situated 3.3 km north-northeast, and Marinmäki is 3.7 km east.

Martinmutka, a headland, is located 4.4 km northeast of Raahe.

Between 2015 and 2016, 158 verified aurora reports were recorded within 300 km of Raahe.

The historical data includes qualifying nights such as March 24, 2026 (Kp 5.0), March 23, 2026 (Kp 5.0), March 22, 2026 (Kp 6.67), March 21, 2026 (Kp 6.0), and March 20, 2026 (Kp 7.0).

Sources: Revon location dataset · Revon analysis of NOAA planetary Kp · Solar declination and hour-angle calculation · 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 Raahe 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 Raahe.