Rule
Dark Skies
Rovaniemi - Dark Skies - Finnish Lapland
Rovaniemi, Lapland, Finland
Moonless nights with crystal-clear skies for deep-sky photography
Upcoming Opportunities
When all conditions match, PhotoWeather marks an opportunity window.
Times shown in Europe/Helsinki
Next opportunity
Pristine Dark Skies (pristine)
Rovaniemi
Tomorrow · 23:00–04:10 · 5h window
Low confidence
39%
🌛Moon Altitude-0.7-8.8°
☁️Total Cloud Coverage4.9-5%
Create your own Dark Skies alerts
Get notified when these conditions match at your own locations.
72-hour requirements breakdown
What passed or failed, hour by hourOR logic: one branch per group is enough
Meets requirement
Misses requirement
Time Europe/Helsinki | Astronomical Night Any | Total Cloud Coverage ≤ 20.0% | Visibility ≥ 12000.0m | Precipitation Chance ≤ 10.0% | Moon Illumination OR1·B1≤ 35.0% | Moon Altitude OR1·B2≤ 10.0° |
|---|---|---|---|---|---|---|
| Wed, Mar 4 | ||||||
| 07:00 | ✕ | 100% | 137m | 45% | 99% | 1.7° |
| 08:00 | ✕ | 100% | 155m | 56% | 99% | -4.3° |
| 09:00 | ✕ | 100% | 7798m | 39% | 99% | -10° |
| 10:00 | ✕ | 100% | 15461m | 39% | 99% | -15° |
| 11:00 | ✕ | 100% | 8840m | 39% | 99% | -19° |
| 12:00 | ✕ | 100% | 3733m | 33% | 99% | -22° |
| 13:00 | ✕ | 100% | 370m | 28% | 99% | -23° |
| 14:00 | ✕ | 100% | 331m | 22% | 99% | -23° |
| 15:00 | ✕ | 100% | 891m | 26% | 99% | -21° |
| 16:00 | ✕ | 100% | 12673m | 13% | 99% | -18° |
| 17:00 | ✕ | 99% | 14916m | 0% | 99% | -14° |
| 18:00 | ✕ | 86% | 13975m | 0% | 99% | -8.6° |
| 19:00 | ✕ | 89% | 24135m | 0% | 99% | -3.2° |
| 20:00 | ✓ | 64% | 10715m | 0% | 99% | 2.4° |
| 21:00 | ✓ | 78% | 6560m | 0% | 99% | 7.7° |
| 22:00 | ✓ | 73% | 6554m | 0% | 99% | 12° |
| 23:00 | ✓ | 72% | 6547m | 0% | 99% | 16° |
| Thu, Mar 5 | ||||||
| 24:00 | ✓ | 71% | 6548m | 0% | 99% | 19° |
| 01:00 | ✓ | 72% | 6548m | 0% | 99% | 20° |
| 02:00 | ✕ | 77% | 6549m | 0% | 96% | 20° |
| 03:00 | ✕ | 84% | 6547m | 1.7% | 96% | 19° |
| 04:00 | ✕ | 91% | 6547m | 3.3% | 96% | 15° |
| 05:00 | ✕ | 99% | 6548m | 5% | 96% | 11° |
| 06:00 | ✕ | 100% | 6502m | 3.3% | 96% | 5.9° |
| 07:00 | ✕ | 100% | 5826m | 1.7% | 96% | 0.14° |
| 08:00 | ✕ | 100% | 4175m | 0% | 96% | -5.9° |
| 09:00 | ✕ | 100% | 3990m | 0% | 96% | -12° |
| 10:00 | ✕ | 98% | 6363m | 0% | 96% | -17° |
| 11:00 | ✕ | 87% | 11766m | 0% | 96% | -22° |
| 12:00 | ✕ | 73% | 24134m | 0% | 96% | -26° |
| 13:00 | ✕ | 49% | 24134m | 0% | 96% | -29° |
| 14:00 | ✕ | 37% | 24135m | 0% | 96% | -30° |
| 15:00 | ✕ | 100% | 24134m | 0% | 96% | -29° |
| 16:00 | ✕ | 100% | 24134m | 0% | 96% | -26° |
| 17:00 | ✕ | 100% | 20890m | 0% | 96% | -23° |
| 18:00 | ✕ | 100% | 9439m | 0% | 96% | -18° |
| 19:00 | ✕ | 100% | 8375m | 0% | 96% | -13° |
| 20:00 | ✓ | 100% | 8183m | 0% | 96% | -7.3° |
| 21:00 | ✓ | 100% | 7702m | 0% | 96% | -1.8° |
| 22:00 | ✓ | 100% | 8386m | 0% | 96% | 3.4° |
| 23:00 | ✓ | 100% | 11280m | 0% | 96% | 7.8° |
| Fri, Mar 6 | ||||||
| 24:00 | ✓ | 100% | 24134m | 17% | 96% | 11° |
| 01:00 | ✓ | 100% | 24135m | 33% | 96% | 14° |
| 02:00 | ✓ | 100% | 24134m | 50% | 90% | 14° |
| 03:00 | ✓ | 100% | 24135m | 38% | 90% | 14° |
| 04:00 | ✓ | 100% | 22583m | 26% | 90% | 12° |
| 05:00 | ✕ | 100% | 19309m | 15% | 90% | 8.4° |
| 06:00 | ✕ | 100% | 3167m | 23% | 90% | 3.9° |
| 07:00 | ✕ | 100% | 778m | 31% | 90% | -1.3° |
| 08:00 | ✕ | 100% | 328m | 39% | 90% | -7.1° |
| 09:00 | ✕ | 100% | 282m | 52% | 90% | -13° |
| 10:00 | ✕ | 100% | 259m | 65% | 90% | -19° |
| 11:00 | ✕ | 100% | 215m | 78% | 90% | -25° |
| 12:00 | ✕ | 100% | 204m | 82% | 90% | -29° |
| 13:00 | ✕ | 100% | 226m | 87% | 90% | -33° |
| 14:00 | ✕ | 99% | 178m | 92% | 90% | -35° |
| 15:00 | ✕ | 100% | 120m | 70% | 90% | -35° |
| 16:00 | ✕ | 100% | 66m | 48% | 90% | -34° |
| 17:00 | ✕ | 100% | 65m | 26% | 90% | -31° |
| 18:00 | ✕ | 100% | 89m | 27% | 90% | -27° |
| 19:00 | ✕ | 100% | 20480m | 29% | 90% | -22° |
| 20:00 | ✓ | 84% | 24135m | 30% | 90% | -17° |
| 21:00 | ✓ | 100% | 154m | 20% | 90% | -11° |
| 22:00 | ✓ | 98% | 4797m | 9.9% | 90% | -5.6° |
| 23:00 | ✓ | 5% | 24134m | 0% | 90% | -0.67° |
| Sat, Mar 7 | ||||||
| 24:00 | ✓ | 5% | 24134m | 0% | 90% | 3.5° |
| 01:00 | ✓ | 4.9% | 24135m | 0% | 90% | 6.5° |
| 02:00 | ✓ | 5% | 24135m | 0% | 84% | 8.4° |
| 03:00 | ✓ | 5% | 24135m | 1.2% | 84% | 8.8° |
| 04:00 | ✓ | 5% | 24135m | 2.3% | 84% | 7.9° |
| 05:00 | ✕ | 5% | 24134m | 3.5% | 84% | 5.5° |
| 06:00 | ✕ | 5% | 24135m | 19% | 84% | 1.9° |
| 07:00 | ✕ | 17% | 24134m | 34% | 84% | -2.6° |
| 08:00 | ✕ | 51% | 24135m | 50% | 84% | -8° |
| 09:00 | ✕ | 68% | 24135m | 67% | 84% | -14° |
| 10:00 | ✕ | 84% | 24135m | 83% | 84% | -20° |
| 11:00 | ✕ | 100% | 24135m | 100% | 84% | -26° |
| 12:00 | ✕ | 100% | 24135m | 100% | 84% | -31° |
| 13:00 | ✕ | 100% | 24135m | 100% | 84% | -36° |
| 14:00 | ✕ | 100% | 24135m | 100% | 84% | -39° |
| 15:00 | ✕ | 100% | 24135m | 80% | 84% | -41° |
| 16:00 | ✕ | 100% | 24135m | 59% | 84% | -40° |
| 17:00 | ✕ | 100% | 24135m | 39% | 84% | -39° |
| 18:00 | ✕ | 100% | 24135m | 33% | 84% | -35° |
| 19:00 | ✕ | 100% | 24135m | 27% | 84% | -31° |
| 20:00 | ✓ | 100% | 24135m | 21% | 84% | -25° |
| 21:00 | ✓ | 100% | 24135m | 47% | 84% | -20° |
| 22:00 | ✓ | 100% | 24135m | 74% | 84% | -14° |
| 23:00 | ✓ | 100% | 24135m | 100% | 84% | -8.9° |
| Sun, Mar 8 | ||||||
| 24:00 | ✓ | 100% | 24135m | 100% | 84% | -4.3° |
| 01:00 | ✓ | 100% | 24135m | 100% | 84% | -0.46° |
How to read: colored cells show whether each predicate requirement is met; highlighted rows mean the full rule matched (an opportunity). For OR groups, only one branch is required, so some OR-branch predicates can be ✕ even in a matching hour.
Get Notified of Opportunities
Create your own custom alerts for this location and more.
Create Free Account