Weather on August 15 at Arches
Arches National Park
Based on 55 years of data from Moab, UT
Elevation Note: Arches sits at 4,500 ft. Expect temperatures 16°F cooler than the data shown below, which comes from Moab, UT at a lower elevation.
Planning Your Visit
August 15th in Arches National Park (via Moab, UT) typically brings hot summer weather, with average highs around 97°F and lows near 65°F — a 32°F daily swing. Over 55 years of records, the warmest August 15th was in 2025 (92°F average), while the coldest was 1978 (74°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 13% of August 15th dates historically. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for August 15th in Arches? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 88°F | 66°F | 0" | -- |
| 2025 | 104°F | 80°F | 0" | 0" |
| 2024 | 96°F | 57°F | 0" | 0" |
| 2023 | 97°F | 66°F | 0" | 0" |
| 2022 | 89°F | 66°F | 0.01" | 0" |
| 2021 | 99°F | 75°F | 0" | 0" |
| 2020 | 101°F | 59°F | 0" | 0" |
| 2019 | 102°F | 66°F | 0" | 0" |
| 2018 | 97°F | 71°F | 0" | 0" |
| 2017 | 93°F | 66°F | 0" | 0" |
| 2016 | 99°F | 58°F | 0" | 0" |
| 2015 | 102°F | 68°F | 0" | 0" |
| 2014 | 93°F | 69°F | 0" | 0" |
| 2013 | 98°F | 59°F | 0" | 0" |
| 2012 | 98°F | 62°F | 0" | 0" |
| 2011 | 96°F | 60°F | 0.07" | 0" |
| 2010 | 101°F | 59°F | 0" | 0" |
| 2009 | 93°F | 63°F | 0.02" | 0" |
| 2008 | 99°F | 60°F | 0" | 0" |
| 2007 | 99°F | 71°F | 0" | 0" |
| 2006 | 97°F | 77°F | 0" | 0" |
| 2005 | 93°F | 63°F | 0" | 0" |
| 2004 | 97°F | 75°F | 0" | 0" |
| 2003 | 91°F | 74°F | 0.18" | 0" |
| 2002 | 103°F | 56°F | 0" | 0" |
| 2001 | 94°F | 58°F | 0" | 0" |
| 2000 | 102°F | 66°F | 0" | 0" |
| 1999 | 90°F | 68°F | 0" | 0" |
| 1998 | 104°F | 64°F | 0" | -- |
| 1997 | 100°F | 58°F | 0" | 0" |
| 1996 | 104°F | 58°F | 0" | 0" |
| 1995 | 101°F | 56°F | 0" | 0" |
| 1994 | 101°F | 67°F | 0" | 0" |
| 1993 | 96°F | 66°F | 0" | 0" |
| 1992 | 103°F | 68°F | 0" | 0" |
| 1991 | 104°F | 67°F | 0" | 0" |
| 1990 | 86°F | 64°F | 0.27" | 0" |
| 1989 | 97°F | 58°F | 0.18" | 0" |
| 1988 | 102°F | 65°F | 0" | 0" |
| 1987 | 93°F | 70°F | 0" | 0" |
| 1986 | 99°F | 55°F | 0" | 0" |
| 1985 | 100°F | 55°F | 0" | 0" |
| 1984 | 98°F | 68°F | 0" | 0" |
| 1983 | 97°F | 71°F | 0" | 0" |
| 1982 | 96°F | 62°F | 0" | 0" |
| 1981 | 96°F | 65°F | 0" | 0" |
| 1980 | 90°F | 65°F | 0.21" | 0" |
| 1979 | 87°F | 64°F | 0" | 0" |
| 1978 | 91°F | 58°F | 0" | 0" |
| 1977 | 94°F | 75°F | 0" | 0" |
| 1976 | 94°F | 69°F | 0" | 0" |
| 1975 | 93°F | 57°F | 0" | 0" |
| 1974 | 97°F | 55°F | 0" | 0" |
| 1973 | 99°F | 64°F | 0" | 0" |
| 1971 | 102°F | 73°F | 0" | 0" |