Weather on October 21 at Arches
Arches National Park
Based on 54 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
October 21st in Arches National Park (via Moab, UT) typically brings pleasant fall weather, with average highs around 72°F and lows near 39°F — a 33°F daily swing. Over 54 years of records, the warmest October 21st was in 1974 (72°F average), while the coldest was 1996 (39°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 20% of October 21st dates historically, with the wettest October 21st recording 2.08" of rain. 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 October 21st in Arches? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2024 | 65°F | 47°F | 0.13" | 0" |
| 2023 | 79°F | 34°F | 0" | 0" |
| 2022 | 78°F | 38°F | 0" | 0" |
| 2021 | 66°F | 36°F | 0" | 0" |
| 2020 | 83°F | 39°F | 0" | 0" |
| 2019 | 63°F | 31°F | 0" | 0" |
| 2018 | 72°F | 42°F | 0.08" | 0" |
| 2017 | 78°F | 35°F | 0" | 0" |
| 2016 | 72°F | 32°F | 0" | 0" |
| 2015 | 66°F | 50°F | 0.58" | 0" |
| 2014 | 78°F | 55°F | 0" | 0" |
| 2013 | 69°F | 34°F | 0" | 0" |
| 2012 | 79°F | 59°F | 0" | 0" |
| 2011 | 78°F | 37°F | 0" | 0" |
| 2010 | 67°F | 52°F | 0" | 0" |
| 2009 | 64°F | 40°F | 0.03" | 0" |
| 2008 | 73°F | 40°F | 0" | 0" |
| 2007 | 60°F | 42°F | 0" | 0" |
| 2006 | 70°F | 39°F | 0" | 0" |
| 2005 | 73°F | 42°F | 0" | 0" |
| 2004 | 70°F | 54°F | 0" | 0" |
| 2003 | 85°F | 41°F | 0" | 0" |
| 2002 | 75°F | 33°F | 0" | 0" |
| 2001 | 78°F | 41°F | 0" | 0" |
| 2000 | 79°F | 36°F | 0.03" | 0" |
| 1999 | 75°F | 30°F | 0" | 0" |
| 1998 | 59°F | 44°F | 0.2" | 0" |
| 1997 | 76°F | 36°F | 0" | 0" |
| 1996 | 51°F | 27°F | 0" | 0" |
| 1995 | 79°F | 29°F | 0" | 0" |
| 1994 | 73°F | 34°F | 0" | 0" |
| 1993 | 71°F | 39°F | 0" | 0" |
| 1992 | 84°F | 47°F | 0" | 0" |
| 1991 | 87°F | 48°F | 0" | 0" |
| 1990 | 62°F | 32°F | 0" | 0" |
| 1989 | 72°F | 38°F | 0" | 0" |
| 1988 | 82°F | 36°F | 0" | 0" |
| 1987 | 76°F | 30°F | 0" | 0" |
| 1986 | 71°F | 44°F | 0.13" | 0" |
| 1985 | 76°F | 46°F | 0" | 0" |
| 1984 | 53°F | 35°F | 2.08" | 0" |
| 1983 | 77°F | 36°F | 0" | 0" |
| 1982 | 71°F | 29°F | 0" | 0" |
| 1981 | 72°F | 35°F | 0" | 0" |
| 1980 | -- | 33°F | 0" | 0" |
| 1979 | 63°F | 43°F | 0.38" | 0" |
| 1978 | 81°F | 42°F | 0.05" | 0" |
| 1977 | 74°F | 44°F | 0.03" | 0" |
| 1976 | 68°F | 26°F | 0" | 0" |
| 1975 | 79°F | 32°F | 0" | 0" |
| 1974 | 82°F | 62°F | 0" | 0" |
| 1973 | 81°F | 43°F | 0" | 0" |
| 1972 | 61°F | 40°F | 0" | 0" |
| 1971 | 63°F | 39°F | 0" | 0" |