Arches National Park
Sky Score 62/100≈ Bortle 2
Arches National Park is a protected area in Utah with a measured darkness of 88/100 (≈ Bortle 2) — among the very darkest measurable skies in the American Southwest — the Milky Way casts visible shadows on moonless nights. The best month to come is typically September, when about 77% of the night sky is clear.
Tonight's outlook: 66/100. The moon is 7% lit and above the horizon 8% of the night; typical August clear-sky odds here are 69%. Updated daily.
Best time to stargaze at Arches National Park
| Month | Clear night skies | Sky Score (new moon) |
|---|---|---|
| January | 54% | 56/100 |
| February | 58% | 58/100 |
| March | 55% | 56/100 |
| April | 61% | 60/100 |
| May | 61% | 60/100 |
| June | 72% | 68/100 |
| July | 64% | 63/100 |
| August | 69% | 66/100 |
| September ★ | 77% | 72/100 |
| October | 71% | 67/100 |
| November | 66% | 64/100 |
| December | 56% | 57/100 |
Scores assume a moonless night — check the moon before you drive (methodology).
Where to stay near Arches National Park
No lodging within 80 km — this is true wilderness. Plan to camp, or base yourself in the nearest gateway town and drive out for the night.
Nearby spots in Utah
- Utahraptor State Park — 7.5 km · Sky Score 61/100
- Dead Horse Point State Park — 27.1 km · Sky Score 61/100
- Horseshoe Canyon (North) Wilderness Study Area — 56.1 km · Sky Score 67/100
- Green River State Park — 56.4 km · Sky Score 44/100
- Maze District — 60.1 km · Sky Score 67/100