Moon · August 2026
Moon calendar for Sioux City, Iowa, United States: August 2026
Daily moon phases, illumination, moonrise and moonset in Sioux City, Iowa, United States for August 2026. Full moon: August 28, 2026. All times are shown in the local time of Sioux City, Iowa, United States.
Full moonFriday, August 28, 2026, 2:00 AM
New moonWednesday, August 12, 2026, 10:40 AM
| Day | Phase | Illumination | Moonrise | Moonset |
|---|---|---|---|---|
| 1 | Waning Gibbous | 91% | 9:48 PM | 9:39 AM |
| 2 | Waning Gibbous | 84% | 10:18 PM | 10:10 AM |
| 3 | Waning Gibbous | 75% | 10:27 PM | 12:04 PM |
| 4 | Waning Gibbous | 65% | 10:59 PM | 1:29 PM |
| 5 | Last Quarter | 53% | 11:35 PM | 2:27 PM |
| 6 | Last Quarter | 42% | — | 3:53 PM |
| 7 | Waning Crescent | 30% | 12:12 AM | 5:25 PM |
| 8 | Waning Crescent | 20% | 12:53 AM | 6:22 PM |
| 9 | Waning Crescent | 12% | 2:00 AM | 7:31 PM |
| 10 | Waning Crescent | 5% | 3:22 AM | 8:08 PM |
| 11 | Waning Crescent | 1% | 4:26 AM | 8:29 PM |
| 12 | New Moon | 0% | 5:53 AM | 9:16 PM |
| 13 | Waxing Crescent | 1% | 7:23 AM | 9:34 PM |
| 14 | Waxing Crescent | 5% | 8:24 AM | 9:34 PM |
| 15 | Waxing Crescent | 11% | 9:38 AM | 10:15 PM |
| 16 | Waxing Crescent | 19% | 10:32 AM | 10:25 PM |
| 17 | Waxing Crescent | 27% | 11:48 AM | 10:49 PM |
| 18 | Waxing Crescent | 37% | 12:54 PM | 11:31 PM |
| 19 | First Quarter | 46% | 2:04 PM | 11:49 PM |
| 20 | First Quarter | 56% | 3:10 PM | — |
| 21 | Waxing Gibbous | 65% | 4:04 PM | 12:25 AM |
| 22 | Waxing Gibbous | 74% | 4:46 PM | 1:28 AM |
| 23 | Waxing Gibbous | 81% | 5:38 PM | 2:13 AM |
| 24 | Waxing Gibbous | 88% | 6:17 PM | 3:19 AM |
| 25 | Waxing Gibbous | 94% | 6:33 PM | 4:15 AM |
| 26 | Waxing Gibbous | 98% | 7:21 PM | 5:28 AM |
| 27 | Full Moon | 100% | 7:37 PM | 6:21 AM |
| 28 | Full Moon | 100% | 7:52 PM | 7:33 AM |
| 29 | Waning Gibbous | 98% | 8:20 PM | 8:26 AM |
| 30 | Waning Gibbous | 93% | 8:28 PM | 9:41 AM |
| 31 | Waning Gibbous | 87% | 9:02 PM | 10:57 AM |
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Frequently asked questions
When is the full moon in August 2026 in Sioux City, Iowa, United States?
The full moon peaks on Friday, August 28, 2026, 2:00 AM (local time).
When is the new moon in August 2026?
The new moon falls on Wednesday, August 12, 2026, 10:40 AM (local time) — the darkest nights of the month, best for stargazing.
Data: Meeus astronomical algorithms. How we calculate this
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