Moon · August 2026
Moon calendar for Chicago, Illinois, United States: August 2026
Daily moon phases, illumination, moonrise and moonset in Chicago, Illinois, United States for August 2026. Full moon: August 28, 2026. All times are shown in the local time of Chicago, Illinois, 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% | 9:28 PM | 9:15 AM |
| 2 | Waning Gibbous | 84% | 9:38 PM | 10:17 AM |
| 3 | Waning Gibbous | 75% | 10:01 PM | 11:32 AM |
| 4 | Waning Gibbous | 65% | 10:23 PM | 12:28 PM |
| 5 | Last Quarter | 53% | 10:50 PM | 1:53 PM |
| 6 | Last Quarter | 42% | 11:36 PM | 3:27 PM |
| 7 | Waning Crescent | 30% | — | 4:27 PM |
| 8 | Waning Crescent | 20% | 12:21 AM | 5:43 PM |
| 9 | Waning Crescent | 12% | 1:32 AM | 6:33 PM |
| 10 | Waning Crescent | 5% | 2:29 AM | 7:34 PM |
| 11 | Waning Crescent | 1% | 4:00 AM | 8:03 PM |
| 12 | New Moon | 0% | 5:30 AM | 8:24 PM |
| 13 | Waxing Crescent | 1% | 6:28 AM | 8:43 PM |
| 14 | Waxing Crescent | 5% | 7:46 AM | 9:27 PM |
| 15 | Waxing Crescent | 11% | 9:00 AM | 9:35 PM |
| 16 | Waxing Crescent | 19% | 10:15 AM | 9:54 PM |
| 17 | Waxing Crescent | 27% | 11:25 AM | 10:20 PM |
| 18 | Waxing Crescent | 37% | 12:21 PM | 10:38 PM |
| 19 | First Quarter | 46% | 1:32 PM | 11:30 PM |
| 20 | First Quarter | 56% | 2:23 PM | 11:56 PM |
| 21 | Waxing Gibbous | 65% | 3:31 PM | — |
| 22 | Waxing Gibbous | 74% | 4:17 PM | 12:33 AM |
| 23 | Waxing Gibbous | 81% | 4:58 PM | 1:37 AM |
| 24 | Waxing Gibbous | 88% | 5:38 PM | 2:27 AM |
| 25 | Waxing Gibbous | 94% | 6:14 PM | 3:37 AM |
| 26 | Waxing Gibbous | 98% | 6:27 PM | 4:30 AM |
| 27 | Full Moon | 100% | 6:55 PM | 5:42 AM |
| 28 | Full Moon | 100% | 7:31 PM | 6:40 AM |
| 29 | Waning Gibbous | 98% | 7:40 PM | 7:59 AM |
| 30 | Waning Gibbous | 93% | 8:06 PM | 9:19 AM |
| 31 | Waning Gibbous | 87% | 8:24 PM | 10:20 AM |
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Frequently asked questions
When is the full moon in August 2026 in Chicago, Illinois, 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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