Moon · August 2026
Moon calendar for Idaho Falls, Idaho, United States: August 2026
Daily moon phases, illumination, moonrise and moonset in Idaho Falls, Idaho, United States for August 2026. Full moon: August 28, 2026. All times are shown in the local time of Idaho Falls, 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% | 9:52 PM | 9:43 AM |
| 2 | Waning Gibbous | 83% | 10:19 PM | 10:53 AM |
| 3 | Waning Gibbous | 74% | 10:27 PM | 12:13 PM |
| 4 | Waning Gibbous | 64% | 11:02 PM | 1:33 PM |
| 5 | Last Quarter | 53% | 11:35 PM | 2:35 PM |
| 6 | Last Quarter | 41% | — | 4:09 PM |
| 7 | Waning Crescent | 30% | 12:11 AM | 5:34 PM |
| 8 | Waning Crescent | 20% | 12:52 AM | 6:28 PM |
| 9 | Waning Crescent | 11% | 2:00 AM | 7:37 PM |
| 10 | Waning Crescent | 5% | 3:23 AM | 8:16 PM |
| 11 | Waning Crescent | 1% | 4:27 AM | 8:37 PM |
| 12 | New Moon | 0% | 5:57 AM | 9:25 PM |
| 13 | Waxing Crescent | 2% | 7:28 AM | 9:35 PM |
| 14 | Waxing Crescent | 6% | 8:25 AM | 9:49 PM |
| 15 | Waxing Crescent | 12% | 9:40 AM | 10:17 PM |
| 16 | Waxing Crescent | 19% | 10:40 AM | 10:26 PM |
| 17 | Waxing Crescent | 28% | 11:57 AM | 10:53 PM |
| 18 | Waxing Crescent | 37% | 1:13 PM | 11:32 PM |
| 19 | First Quarter | 47% | 2:11 PM | 11:50 PM |
| 20 | First Quarter | 56% | 3:22 PM | — |
| 21 | Waxing Gibbous | 65% | 4:13 PM | 12:26 AM |
| 22 | Waxing Gibbous | 74% | 5:05 PM | 1:28 AM |
| 23 | Waxing Gibbous | 82% | 5:43 PM | 2:14 AM |
| 24 | Waxing Gibbous | 88% | 6:21 PM | 3:21 AM |
| 25 | Waxing Gibbous | 94% | 6:41 PM | 4:16 AM |
| 26 | Waxing Gibbous | 98% | 7:28 PM | 5:30 AM |
| 27 | Full Moon | 100% | 7:39 PM | 6:23 AM |
| 28 | Full Moon | 100% | 7:58 PM | 7:35 AM |
| 29 | Waning Gibbous | 98% | 8:22 PM | 8:30 AM |
| 30 | Waning Gibbous | 93% | 8:29 PM | 9:46 AM |
| 31 | Waning Gibbous | 86% | 9:06 PM | 11:15 AM |
Another city or date
Frequently asked questions
When is the full moon in August 2026 in Idaho Falls, 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
More for Idaho Falls, Idaho, United States
Near Idaho Falls
- Pocatello, Idaho, United States
- Jackson, Wyoming, United States
- Logan, Utah, United States
- Twin Falls, Idaho, United States
- Ogden, Utah, United States
- Bozeman, Montana, United States
- Cody, Wyoming, United States
- Salt Lake City, Utah, United States
- West Valley City, Utah, United States
- West Jordan, Utah, United States
- Boise, Idaho, United States
- Helena, Montana, United States