Moon · August 2025
Moon calendar for Seattle, Washington, United States: August 2025
Daily moon phases, illumination, moonrise and moonset in Seattle, Washington, United States for August 2025. Full moon: August 9, 2025. All times are shown in the local time of Seattle, Washington, United States.
Full moonSaturday, August 9, 2025, 1:33 AM
New moonFriday, August 22, 2025, 8:32 PM
| Day | Phase | Illumination | Moonrise | Moonset |
|---|---|---|---|---|
| 1 | First Quarter | 53% | 2:19 PM | — |
| 2 | Waxing Gibbous | 62% | 3:32 PM | 12:10 AM |
| 3 | Waxing Gibbous | 71% | 4:24 PM | 12:27 AM |
| 4 | Waxing Gibbous | 79% | 5:35 PM | 1:19 AM |
| 5 | Waxing Gibbous | 87% | 6:21 PM | 1:53 AM |
| 6 | Waxing Gibbous | 93% | 7:17 PM | 2:44 AM |
| 7 | Waxing Gibbous | 97% | 7:42 PM | 3:58 AM |
| 8 | Full Moon | 99% | 8:13 PM | 5:22 AM |
| 9 | Full Moon | 100% | 8:26 PM | 6:23 AM |
| 10 | Waning Gibbous | 98% | 8:46 PM | 7:42 AM |
| 11 | Waning Gibbous | 93% | 9:22 PM | 9:10 AM |
| 12 | Waning Gibbous | 86% | 9:35 PM | 10:22 AM |
| 13 | Waning Gibbous | 77% | 9:44 PM | 11:43 AM |
| 14 | Waning Gibbous | 67% | 10:11 PM | 1:23 PM |
| 15 | Last Quarter | 55% | 10:25 PM | 2:32 PM |
| 16 | Last Quarter | 43% | 11:15 PM | 4:12 PM |
| 17 | Waning Crescent | 32% | 11:55 PM | 5:38 PM |
| 18 | Waning Crescent | 22% | — | 6:31 PM |
| 19 | Waning Crescent | 13% | 1:04 AM | 7:34 PM |
| 20 | Waning Crescent | 6% | 2:17 AM | 7:57 PM |
| 21 | Waning Crescent | 2% | 3:42 AM | 8:21 PM |
| 22 | New Moon | 0% | 5:10 AM | 8:30 PM |
| 23 | New Moon | 0% | 6:21 AM | 8:48 PM |
| 24 | Waxing Crescent | 3% | 7:37 AM | 9:19 PM |
| 25 | Waxing Crescent | 7% | 8:32 AM | 9:31 PM |
| 26 | Waxing Crescent | 13% | 9:48 AM | 9:36 PM |
| 27 | Waxing Crescent | 20% | 10:57 AM | 9:46 PM |
| 28 | Waxing Crescent | 28% | 12:10 PM | 10:14 PM |
| 29 | Waxing Crescent | 37% | 1:19 PM | 10:28 PM |
| 30 | First Quarter | 46% | 2:18 PM | 11:16 PM |
| 31 | First Quarter | 56% | 3:29 PM | 11:45 PM |
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Frequently asked questions
When is the full moon in August 2025 in Seattle, Washington, United States?
The full moon peaks on Saturday, August 9, 2025, 1:33 AM (local time).
When is the new moon in August 2025?
The new moon falls on Friday, August 22, 2025, 8:32 PM (local time) — the darkest nights of the month, best for stargazing.
Data: Meeus astronomical algorithms. How we calculate this
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