Moon · August 2026
Moon calendar for Seattle, Washington, United States: August 2026
Daily moon phases, illumination, moonrise and moonset in Seattle, Washington, United States for August 2026. Full moon: August 28, 2026. All times are shown in the local time of Seattle, Washington, United States.
Full moonFriday, August 28, 2026, 12:00 AM
New moonWednesday, August 12, 2026, 8:40 AM
| Day | Phase | Illumination | Moonrise | Moonset |
|---|---|---|---|---|
| 1 | Waning Gibbous | 90% | 9:38 PM | 9:34 AM |
| 2 | Waning Gibbous | 83% | 9:49 PM | 10:32 AM |
| 3 | Waning Gibbous | 74% | 10:19 PM | 12:00 PM |
| 4 | Waning Gibbous | 64% | 10:24 PM | 1:31 PM |
| 5 | Last Quarter | 52% | 10:47 PM | 2:37 PM |
| 6 | Last Quarter | 41% | 11:32 PM | 4:14 PM |
| 7 | Waning Crescent | 30% | — | 5:39 PM |
| 8 | Waning Crescent | 19% | 12:27 AM | 6:38 PM |
| 9 | Waning Crescent | 11% | 1:26 AM | 7:41 PM |
| 10 | Waning Crescent | 5% | 2:26 AM | 8:17 PM |
| 11 | New Moon | 1% | 4:03 AM | 8:34 PM |
| 12 | New Moon | 0% | 5:34 AM | 9:11 PM |
| 13 | Waxing Crescent | 2% | 6:41 AM | 9:32 PM |
| 14 | Waxing Crescent | 6% | 8:14 AM | 9:37 PM |
| 15 | Waxing Crescent | 12% | 9:33 AM | 9:49 PM |
| 16 | Waxing Crescent | 19% | 10:28 AM | 10:14 PM |
| 17 | Waxing Crescent | 28% | 11:46 AM | 10:24 PM |
| 18 | Waxing Crescent | 37% | 12:59 PM | 10:44 PM |
| 19 | First Quarter | 47% | 2:12 PM | 11:31 PM |
| 20 | First Quarter | 57% | 3:18 PM | 11:55 PM |
| 21 | Waxing Gibbous | 66% | 4:16 PM | — |
| 22 | Waxing Gibbous | 74% | 5:06 PM | 12:33 AM |
| 23 | Waxing Gibbous | 82% | 5:43 PM | 1:38 AM |
| 24 | Waxing Gibbous | 89% | 6:19 PM | 2:29 AM |
| 25 | Waxing Gibbous | 94% | 6:33 PM | 3:42 AM |
| 26 | Waxing Gibbous | 98% | 7:15 PM | 4:43 AM |
| 27 | Full Moon | 100% | 7:33 PM | 6:05 AM |
| 28 | Full Moon | 100% | 7:40 PM | 7:25 AM |
| 29 | Waning Gibbous | 97% | 7:56 PM | 8:23 AM |
| 30 | Waning Gibbous | 93% | 8:18 PM | 9:39 AM |
| 31 | Waning Gibbous | 86% | 8:25 PM | 10:59 AM |
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Frequently asked questions
When is the full moon in August 2026 in Seattle, Washington, United States?
The full moon peaks on Friday, August 28, 2026, 12:00 AM (local time).
When is the new moon in August 2026?
The new moon falls on Wednesday, August 12, 2026, 8:40 AM (local time) — the darkest nights of the month, best for stargazing.
Data: Meeus astronomical algorithms. How we calculate this
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