Moon · August 2026
Moon calendar for Boise, Idaho, United States: August 2026
Daily moon phases, illumination, moonrise and moonset in Boise, Idaho, United States for August 2026. Full moon: August 28, 2026. All times are shown in the local time of Boise, Idaho, United States.
Full moonFriday, August 28, 2026, 1:00 AM
New moonWednesday, August 12, 2026, 9:40 AM
| Day | Phase | Illumination | Moonrise | Moonset |
|---|---|---|---|---|
| 1 | Waning Gibbous | 91% | 10:17 PM | 10:08 AM |
| 2 | Waning Gibbous | 83% | 10:26 PM | 11:27 AM |
| 3 | Waning Gibbous | 74% | 10:44 PM | 12:23 PM |
| 4 | Waning Gibbous | 64% | 11:28 PM | 1:40 PM |
| 5 | Last Quarter | 53% | 11:43 PM | 3:07 PM |
| 6 | Last Quarter | 41% | — | 4:22 PM |
| 7 | Waning Crescent | 30% | 12:21 AM | 5:43 PM |
| 8 | Waning Crescent | 20% | 1:22 AM | 6:46 PM |
| 9 | Waning Crescent | 11% | 2:16 AM | 7:44 PM |
| 10 | Waning Crescent | 5% | 3:35 AM | 8:26 PM |
| 11 | Waning Crescent | 1% | 4:46 AM | 9:10 PM |
| 12 | New Moon | 0% | 6:18 AM | 9:34 PM |
| 13 | Waxing Crescent | 2% | 7:37 AM | 9:42 PM |
| 14 | Waxing Crescent | 6% | 8:36 AM | 10:15 PM |
| 15 | Waxing Crescent | 12% | 9:59 AM | 10:24 PM |
| 16 | Waxing Crescent | 19% | 11:19 AM | 10:37 PM |
| 17 | Waxing Crescent | 28% | 12:19 PM | 11:25 PM |
| 18 | Waxing Crescent | 37% | 1:32 PM | 11:38 PM |
| 19 | First Quarter | 47% | 2:24 PM | — |
| 20 | First Quarter | 56% | 3:35 PM | 12:14 AM |
| 21 | Waxing Gibbous | 65% | 4:24 PM | 12:39 AM |
| 22 | Waxing Gibbous | 74% | 5:29 PM | 1:37 AM |
| 23 | Waxing Gibbous | 82% | 6:05 PM | 2:24 AM |
| 24 | Waxing Gibbous | 88% | 6:29 PM | 3:34 AM |
| 25 | Waxing Gibbous | 94% | 7:16 PM | 4:25 AM |
| 26 | Waxing Gibbous | 98% | 7:37 PM | 5:37 AM |
| 27 | Full Moon | 100% | 7:53 PM | 6:32 AM |
| 28 | Full Moon | 100% | 8:20 PM | 7:45 AM |
| 29 | Waning Gibbous | 98% | 8:27 PM | 8:59 AM |
| 30 | Waning Gibbous | 93% | 8:50 PM | 10:14 AM |
| 31 | Waning Gibbous | 86% | 9:29 PM | 11:32 AM |
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Frequently asked questions
When is the full moon in August 2026 in Boise, Idaho, United States?
The full moon peaks on Friday, August 28, 2026, 1:00 AM (local time).
When is the new moon in August 2026?
The new moon falls on Wednesday, August 12, 2026, 9:40 AM (local time) — the darkest nights of the month, best for stargazing.
Data: Meeus astronomical algorithms. How we calculate this
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