Aurora Borealis in Limerick

Ireland · 52.66°, -8.62° · geomagnetic 55.9° · needs Kp 7

Tonight's aurora forecast for Limerick

12%

Peak chance of a visible display tonight, from the same model the Revon app runs. Limerick needs Kp 7 to see anything at all, and tonight the forecast peaks at Kp 4.9. Short of the threshold, which is what most nights look like here.

Tonight Tue 08 Sep
12%
18
20
22
00
02
04
06

Get the full 30-night forecast in Revon

Updated 2026-09-08 10:36 UTC

Local aurora guide for Limerick

Limerick is at a geomagnetic latitude of 55.9°, which is favorable for aurora viewing.

An aurora visible from Limerick requires a geomagnetic activity level of Kp 7 or higher.

On average, there are about 2.7 nights per year in Limerick where conditions are suitable for aurora viewing.

The darkest months in Limerick are typically from September through November.

During these months, there is sufficient darkness for aurora viewing.

June and July experience no full darkness due to the high latitude.

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

Areas with Bortle 4 conditions can be found 13 km north-east of Limerick.

The horizon is varied, with features like Muckinish Point to the west and Ballycar to the north-north-west.

Muckinish Point, a headland located 6.8 km west of Limerick, offers a potential viewing spot.

Ballycar, a hill situated 7.1 km north-north-west of Limerick, is another nearby feature.

Woodcock Hill, a mountain 8.4 km north-west of Limerick, and Gallows Hill, a hill 9.8 km north-west, are also noted.

Records show approximately 2.7 viable aurora nights per year in the Limerick region.

The period from 2016 to 2026 has been analyzed for potential viewing nights.

Notable qualifying nights with high Kp values 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 · Solar declination and hour-angle calculation · Falchi 2016 World Atlas of artificial night sky brightness · GeoNames (CC BY 4.0)

Know when it is worth going outside

Revon watches the Limerick forecast and pushes an alert when the odds for tonight clear your threshold — no checking, no guessing.

Get aurora alerts on iPhone

Nearby towns

Forecasts for places within reach of Limerick.