Forecast for Niwot, Boulder, United States of America (40.10,-105.17)

  Est. Sky Quality:  20.2 Magnitude.  Class 5 Bortle.  0.9 mcd/m2 Brightness.  731.18 μcd/m2 Artificial Brightness.

Generated: 10/02/25 15:37:23. Forecast: 10/02/25 to 16/02/25. Timezone: UTC-7.00

Annual Darkness Embed Forecast Center on Midday Center on Midnight
Monday 10
Waxing Gibbous 98% Moon Rise 15:35 Moon Set 06:47
  • 15 OK
  • 16 OK
  • 17 OK
  • 18 Bad
  • 19 Bad
  • 20 Bad
  • 21 Bad
  • 22 Bad
  • 23 Bad
  • 00 Bad
  • 01 Bad
  • 02 Bad
  • 03 Bad
  • 04 Bad
  • 05 Bad
  • 06 Bad
  • 07 Bad
  • 08 Bad
  • 09 Bad
  • 10 Bad
  • 11 Bad
  • 12 Bad
  • 13 Bad
  • 14 Bad
Sun - Rise: 06:56, Set: 17:31, Transit: 12:14. Moon - Rise: 15:35, Set: 06:47. Civil Dark: 17:59 - 06:28. Nautical Dark: 18:31 - 05:57. Astro Dark: 19:03 - 05:25
Tuesday 11
Waxing Gibbous 100% Moon Rise 16:44 Moon Set 07:15
  • 15 Bad
  • 16 Bad
  • 17 Bad
  • 18 Bad
  • 19 Bad
  • 20 Bad
  • 21 Bad
  • 22 Bad
  • 23 Bad
  • 00 Bad
  • 01 Bad
  • 02 Bad
  • 03 Bad
  • 04 Bad
  • 05 Bad
  • 06 Bad
  • 07 Bad
  • 08 Bad
  • 09 Bad
  • 10 Bad
  • 11 Bad
  • 12 Bad
  • 13 Bad
  • 14 Bad
Sun - Rise: 06:55, Set: 17:32, Transit: 12:14. Moon - Rise: 16:44, Set: 07:15. Civil Dark: 18:00 - 06:27. Nautical Dark: 18:32 - 05:55. Astro Dark: 19:04 - 05:24
Wednesday 12
Full Moon 99% Moon Rise 17:51 Moon Set 07:38
  • 15 Bad
  • 16 Bad
  • 17 Bad
  • 18 Bad
  • 19 Bad
  • 20 Bad
  • 21 Bad
  • 22 Bad
  • 23 OK
  • 00 OK
  • 01 OK
  • 02 OK
  • 03 OK
  • 04 OK
  • 05 OK
  • 06 OK
  • 07 OK
  • 08 Good
  • 09 Bad
  • 10 Good
  • 11 OK
  • 12 OK
  • 13 Bad
  • 14 Bad
Sun - Rise: 06:54, Set: 17:34, Transit: 12:14. Moon - Rise: 17:51, Set: 07:38. Civil Dark: 18:01 - 06:26. Nautical Dark: 18:33 - 05:54. Astro Dark: 19:05 - 05:23
Thursday 13
Waning Gibbous 97% Moon Rise 18:55 Moon Set 07:59
  • 15 Bad
  • 16 Bad
  • 17 Bad
  • 18 Bad
  • 19 Bad
  • 20 Bad
  • 21 Bad
  • 22 Bad
  • 23 Bad
  • 00 Bad
  • 01 Bad
  • 02 Bad
  • 03 Bad
  • 04 Bad
  • 05 Bad
  • 06 Bad
  • 07 Bad
  • 08 Bad
  • 09 Bad
  • 10 Bad
  • 11 Bad
  • 12 Bad
  • 13 Bad
  • 14 Bad
Sun - Rise: 06:53, Set: 17:35, Transit: 12:14. Moon - Rise: 18:55, Set: 07:59. Civil Dark: 18:03 - 06:25. Nautical Dark: 18:34 - 05:53. Astro Dark: 19:06 - 05:22
Friday 14
Waning Gibbous 93% Moon Rise 19:57 Moon Set 08:19
  • 15 Bad
  • 16 OK
  • 17 Bad
  • 18 Bad
  • 19 Bad
  • 20 Bad
  • 21 Bad
  • 22 Bad
  • 23 Bad
  • 00 Bad
  • 01 Bad
  • 02 Bad
  • 03 Bad
  • 04 Bad
  • 05 Bad
  • 06 Bad
  • 07 Bad
  • 08 Bad
  • 09 Bad
  • 10 Bad
  • 11 Bad
  • 12 Bad
  • 13 Bad
  • 14 Bad
Sun - Rise: 06:51, Set: 17:36, Transit: 12:14. Moon - Rise: 19:57, Set: 08:19. Civil Dark: 18:04 - 06:24. Nautical Dark: 18:35 - 05:52. Astro Dark: 19:07 - 05:20
Saturday 15
Waning Gibbous 87% Moon Rise 20:57 Moon Set 08:38
  • 15 Bad
  • 16 Bad
  • 17 Bad
  • 18 Bad
  • 19 Bad
  • 20 Bad
  • 21 Bad
  • 22 Bad
  • 23 Bad
  • 00 Bad
  • 01 Bad
  • 02 Bad
  • 03 Bad
  • 04 OK
  • 05 Bad
  • 06 Bad
  • 07 Bad
  • 08 Bad
  • 09 Bad
  • 10 Bad
  • 11 Bad
  • 12 OK
  • 13 OK
  • 14 OK
Sun - Rise: 06:50, Set: 17:37, Transit: 12:14. Moon - Rise: 20:57, Set: 08:38. Civil Dark: 18:05 - 06:22. Nautical Dark: 18:37 - 05:51. Astro Dark: 19:08 - 05:19
Sunday 16
Waning Gibbous 79% Moon Rise 21:57 Moon Set 08:58
  • 15 OK
  • 16 Good
  • 17 OK
  • 18 OK
  • 19 Good
  • 20 OK
  • 21 OK
  • 22 Good
  • 23 OK
  • 00 OK
  • 01 OK
  • 02 OK
  • 03 OK
  • 04 OK
  • 05 OK
  • 06 OK
  • 07 Good
  • 08 OK
  • 09 OK
  • 10 OK
Sun - Rise: 06:49, Set: 17:38, Transit: 12:14. Moon - Rise: 21:57, Set: 08:58. Civil Dark: 18:06 - 06:21. Nautical Dark: 18:38 - 05:49. Astro Dark: 19:09 - 05:18
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