Northern lights in Tromsø in October 2027
Short answer: The darkest, most moon-free nights are 26 Oct, 27 Oct, 28 Oct, 29 Oct, 30 Oct, 31 Oct. Nights average 10.7 hours of darkness in October.
Under the auroral oval; most clear nights from September to March show some aurora. Coastal weather changes fast, so chase tours drive to clear skies.
Fri 1 Oct to Sun 31 Oct 2027
Darkest night: Tue 26 October 2027
Dark 18:33–06:28 · 11.0 h without the moon · moon 8% lit
| Night of | Dark (sun below −12°) | Hours | Moon-free | Moon | Score |
|---|---|---|---|---|---|
| Fri 1 Oct | 20:21–04:52 | 8.7 | 8.7 | 5% | 94 |
| Sat 2 Oct | 20:16–04:56 | 8.8 | 8.8 | 10% | 95 |
| Sun 3 Oct | 20:11–05:00 | 8.8 | 8.8 | 17% | 95 |
| Mon 4 Oct | 20:06–05:05 | 9.0 | 9.0 | 26% | 96 |
| Tue 5 Oct | 20:01–05:09 | 9.2 | 9.2 | 35% | 96 |
| Wed 6 Oct | 19:57–05:13 | 9.3 | 9.3 | 44% | 97 |
| Thu 7 Oct | 19:52–05:17 | 9.5 | 9.5 | 54% | 98 |
| Fri 8 Oct | 19:48–05:21 | 9.7 | 9.7 | 63% | 99 |
| Sat 9 Oct | 19:43–05:25 | 9.8 | 6.7 | 72% | 87 |
| Sun 10 Oct | 19:39–05:29 | 10.0 | 4.7 | 80% | 77 |
| Mon 11 Oct | 19:34–05:33 | 10.0 | 2.7 | 87% | 65 |
| Tue 12 Oct | 19:30–05:37 | 10.2 | 1.0 | 93% | 54 |
| Wed 13 Oct | 19:25–05:40 | 10.3 | 0.0 | 97% | 47 |
| Thu 14 Oct | 19:21–05:44 | 10.5 | 0.0 | 99% | 45 |
| Fri 15 Oct | 19:17–05:48 | 10.7 | 0.0 | 100% | 45 |
| Sat 16 Oct | 19:13–05:52 | 10.7 | 0.0 | 98% | 46 |
| Sun 17 Oct | 19:09–05:56 | 10.8 | 0.0 | 94% | 48 |
| Mon 18 Oct | 19:04–05:59 | 11.0 | 0.0 | 88% | 51 |
| Tue 19 Oct | 19:00–06:03 | 11.2 | 0.0 | 80% | 56 |
| Wed 20 Oct | 18:56–06:07 | 11.3 | 0.0 | 71% | 61 |
| Thu 21 Oct | 18:52–06:10 | 11.3 | 0.0 | 59% | 67 |
| Fri 22 Oct | 18:48–06:14 | 11.5 | 0.0 | 48% | 74 |
| Sat 23 Oct | 18:44–06:18 | 11.7 | 4.0 | 36% | 87 |
| Sun 24 Oct | 18:41–06:21 | 11.8 | 6.5 | 25% | 94 |
| Mon 25 Oct | 18:37–06:25 | 11.8 | 8.8 | 16% | 98 |
| Tue 26 Oct | 18:33–06:28 | 12.0 | 11.0 | 8% | 100 |
| Wed 27 Oct | 18:29–06:32 | 12.2 | 12.2 | 3% | 100 |
| Thu 28 Oct | 18:25–06:36 | 12.3 | 12.3 | 1% | 100 |
| Fri 29 Oct | 18:22–06:39 | 12.3 | 12.3 | 0% | 100 |
| Sat 30 Oct | 18:18–05:43 | 12.5 | 12.5 | 3% | 100 |
| Sun 31 Oct | 17:15–05:46 | 12.7 | 12.7 | 7% | 100 |
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Questions
What are the best nights for the northern lights in Tromsø in October 2027?
The darkest, most moon-free nights are 26 Oct, 27 Oct, 28 Oct, 29 Oct, 30 Oct, 31 Oct. Nights average 10.7 hours of darkness in October.
Is October a good month for the northern lights in Tromsø?
Yes: equinox months often bring higher geomagnetic activity and milder weather. Under the auroral oval; most clear nights from September to March show some aurora. Coastal weather changes fast, so chase tours drive to clear skies.