Rule
Dark Skies
Ouray - Dark Skies - Rocky Mountains
Ouray, Colorado, United States
Moonless nights with crystal-clear skies for deep-sky photography
Upcoming Opportunities
When all conditions match, PhotoWeather marks an opportunity window.
Times shown in America/Denver
Next opportunity
Pristine Dark Skies (pristine)
Ouray
Today · 22:00–23:00 · 1h window
High confidence
76%
🌛Moon Altitude-22°
☁️Total Cloud Coverage4.8%
Pristine Dark Skies (pristine)
Ouray
Tomorrow · 03:00–04:13
🌛Moon Altitude:-20.9--13.2°
Medium
Pristine Dark Skies (pristine)
Ouray
Tue, May 19 · 22:05–04:08
🌛Moon Altitude:-25.6-21.7°
Low
Pristine Dark Skies (pristine)
Ouray
Wed, May 20 · 22:06–04:07
🌛Moon Altitude:-25.6-31°
Low
Pristine Dark Skies (pristine)
Ouray
Sat, May 23 · 02:00–04:00
🌛Moon Altitude:-11.9--1°
Low
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 America/Denver | 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° |
|---|---|---|---|---|---|---|
| Thu, May 14 | ||||||
| 22:00 | ✓ | 0% | 24135m | 0% | 2.9% | -32° |
| 23:00 | ✓ | 0% | 24134m | 0% | 2.9% | -36° |
| Fri, May 15 | ||||||
| 24:00 | ✓ | 0% | 24135m | 0% | 2.9% | -35° |
| 01:00 | ✓ | 0% | 24134m | 0% | 2.9% | -32° |
| 02:00 | ✓ | 0% | 24134m | 0% | 2.9% | -26° |
| 03:00 | ✓ | 0% | 24134m | 0% | 2.9% | -18° |
| 04:00 | ✓ | 0% | 24135m | 0% | 2.9% | -8.1° |
| 05:00 | ✕ | 0% | 24134m | 0% | 2.9% | 2.4° |
| 06:00 | ✕ | 0% | 24135m | 0% | 2.9% | 13° |
| 07:00 | ✕ | 0% | 24134m | 6.3% | 2.9% | 25° |
| 08:00 | ✕ | 0% | 24135m | 13% | 2.9% | 36° |
| 09:00 | ✕ | 0% | 24134m | 19% | 2.9% | 48° |
| 10:00 | ✕ | 53% | 24134m | 25% | 2.9% | 58° |
| 11:00 | ✕ | 100% | 24135m | 32% | 2.9% | 67° |
| 12:00 | ✕ | 100% | 24134m | 39% | 2.9% | 71° |
| 13:00 | ✕ | 100% | 24134m | 26% | 2.9% | 67° |
| 14:00 | ✕ | 100% | 24134m | 13% | 2.9% | 59° |
| 15:00 | ✕ | 95% | 24134m | 0% | 2.9% | 48° |
| 16:00 | ✕ | 13% | 24134m | 0% | 2.9% | 37° |
| 17:00 | ✕ | 8.1% | 24134m | 0% | 2.9% | 26° |
| 18:00 | ✕ | 81% | 24134m | 0% | 0.2% | 15° |
| 19:00 | ✕ | 100% | 24134m | 0% | 0.2% | 4.2° |
| 20:00 | ✕ | 52% | 24134m | 0% | 0.2% | -5.7° |
| 21:00 | ✕ | 5% | 24134m | 0% | 0.2% | -15° |
| 22:00 | ✓ | 4.8% | 24135m | 0% | 0.2% | -22° |
| 23:00 | ✓ | 58% | 24135m | 0% | 0.2% | -27° |
| Sat, May 16 | ||||||
| 24:00 | ✓ | 36% | 24135m | 0% | 0.2% | -30° |
| 01:00 | ✓ | 80% | 24135m | 0% | 0.2% | -30° |
| 02:00 | ✓ | 34% | 24135m | 0% | 0.2% | -27° |
| 03:00 | ✓ | 5% | 24134m | 0% | 0.2% | -21° |
| 04:00 | ✓ | 5% | 24134m | 0% | 0.2% | -13° |
| 05:00 | ✕ | 5% | 24135m | 0% | 0.2% | -4.1° |
| 06:00 | ✕ | 5% | 24134m | 0% | 0.2% | 6° |
| 07:00 | ✕ | 0% | 24135m | 0% | 0.2% | 17° |
| 08:00 | ✕ | 4.9% | 24134m | 0% | 0.2% | 28° |
| 09:00 | ✕ | 4.9% | 24135m | 0% | 0.2% | 39° |
| 10:00 | ✕ | 95% | 24135m | 0% | 0.2% | 51° |
| 11:00 | ✕ | 100% | 24135m | 0% | 0.2% | 62° |
| 12:00 | ✕ | 100% | 24135m | 0% | 0.2% | 71° |
| 13:00 | ✕ | 100% | 24134m | 0% | 0.2% | 76° |
| 14:00 | ✕ | 100% | 24134m | 0% | 0.2% | 71° |
| 15:00 | ✕ | 100% | 24134m | 0% | 0.2% | 62° |
| 16:00 | ✕ | 100% | 24134m | 0% | 0.2% | 51° |
| 17:00 | ✕ | 100% | 24135m | 0% | 0.2% | 40° |
| 18:00 | ✕ | 46% | 24135m | 0% | 0.5% | 29° |
| 19:00 | ✕ | 15% | 24135m | 3.3% | 0.5% | 18° |
| 20:00 | ✕ | 47% | 24135m | 6.7% | 0.5% | 7.3° |
| 21:00 | ✕ | 0.7% | 24134m | 10% | 0.5% | -2.4° |
| 22:00 | ✓ | 2% | 24134m | 20% | 0.5% | -11° |
| 23:00 | ✓ | 25% | 24135m | 29% | 0.5% | -18° |
| Sun, May 17 | ||||||
| 24:00 | ✓ | 47% | 24135m | 39% | 0.5% | -23° |
| 01:00 | ✓ | 99% | 24134m | 33% | 0.5% | -26° |
| 02:00 | ✓ | 64% | 19942m | 28% | 0.5% | -26° |
| 03:00 | ✓ | 22% | 24135m | 22% | 0.5% | -23° |
| 04:00 | ✓ | 23% | 24134m | 23% | 0.5% | -18° |
| 05:00 | ✕ | 24% | 24134m | 25% | 0.5% | -11° |
| 06:00 | ✕ | 20% | 23011m | 26% | 0.5% | -2° |
| 07:00 | ✕ | 5% | 24134m | 25% | 0.5% | 7.7° |
| 08:00 | ✕ | 13% | 22974m | 23% | 0.5% | 18° |
| 09:00 | ✕ | 100% | 1273m | 22% | 0.5% | 29° |
| 10:00 | ✕ | 100% | 2263m | 23% | 0.5% | 40° |
| 11:00 | ✕ | 97% | 1828m | 25% | 0.5% | 52° |
| 12:00 | ✕ | 100% | 1340m | 26% | 0.5% | 63° |
| 13:00 | ✕ | 100% | 10690m | 34% | 0.5% | 73° |
| 14:00 | ✕ | 100% | 24134m | 42% | 0.5% | 79° |
| 15:00 | ✕ | 100% | 24135m | 50% | 0.5% | 74° |
| 16:00 | ✕ | 100% | 24135m | 57% | 0.5% | 64° |
| 17:00 | ✕ | 31% | 24134m | 64% | 0.5% | 53° |
| 18:00 | ✕ | 77% | 22612m | 71% | 3.8% | 42° |
| 19:00 | ✕ | 85% | 15141m | 73% | 3.8% | 31° |
| 20:00 | ✕ | 92% | 7669m | 76% | 3.8% | 20° |
| 21:00 | ✕ | 100% | 198m | 79% | 3.8% | 9.9° |
| 22:00 | ✓ | 100% | 173m | 85% | 3.8% | 0.29° |
| 23:00 | ✓ | 100% | 148m | 90% | 3.8% | -8.3° |
| Mon, May 18 | ||||||
| 24:00 | ✓ | 100% | 123m | 96% | 3.8% | -15° |
| 01:00 | ✓ | 100% | 112m | 94% | 3.8% | -21° |
| 02:00 | ✓ | 100% | 101m | 91% | 3.8% | -24° |
| 03:00 | ✓ | 100% | 90m | 88% | 3.8% | -24° |
| 04:00 | ✓ | 100% | 776m | 89% | 3.8% | -22° |
| 05:00 | ✕ | 99% | 1462m | 90% | 3.8% | -17° |
| 06:00 | ✕ | 99% | 2148m | 91% | 3.8% | -10° |
| 07:00 | ✕ | 99% | 1596m | 81% | 3.8% | -1.8° |
| 08:00 | ✕ | 98% | 1045m | 72% | 3.8% | 7.6° |
| 09:00 | ✕ | 98% | 494m | 62% | 3.8% | 18° |
| 10:00 | ✕ | 99% | 482m | 68% | 3.8% | 28° |
| 11:00 | ✕ | 99% | 470m | 74% | 3.8% | 40° |
| 12:00 | ✕ | 100% | 457m | 80% | 3.8% | 51° |
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