Weather on October 23 at Gateway Arch
Gateway Arch National Park
Based on 52 years of data from St. Louis, MO
Planning Your Visit
October 23rd in Gateway Arch National Park (via St. Louis, MO) typically brings mild fall weather, with average highs around 69°F and lows near 45°F. Over 52 years of records, the warmest October 23rd was in 2015 (73°F average), while the coldest was 1982 (39°F) — a 34°F range across recorded history. Rain or other precipitation has occurred on about 37% of October 23rd dates historically, with the wettest October 23rd recording 2.12" of rain. The last decade has been 3.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.4°F warmer on this date compared to 20-30 years ago.
Planning for October 23rd in Gateway Arch? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 63°F | 35°F | 0" | 0" |
| 2024 | 74°F | 44°F | 0" | 0" |
| 2023 | 82°F | 47°F | 0" | 0" |
| 2022 | 78°F | 62°F | 0" | 0" |
| 2021 | 56°F | 44°F | 0.02" | 0" |
| 2020 | 70°F | 44°F | 0" | 0" |
| 2019 | 74°F | 36°F | 0" | 0" |
| 2018 | 66°F | 35°F | 0" | 0" |
| 2017 | 64°F | 53°F | -- | 0" |
| 2016 | 80°F | 49°F | 0" | 0" |
| 2015 | 84°F | 63°F | 0" | 0" |
| 2014 | 64°F | 44°F | 0" | 0" |
| 2013 | 60°F | 37°F | 0.05" | 0" |
| 2012 | 74°F | 64°F | 0.08" | 0" |
| 2011 | 73°F | 36°F | 0" | -- |
| 2010 | 77°F | 42°F | 0" | 0" |
| 2009 | 62°F | 53°F | 2.12" | 0" |
| 2008 | 62°F | 48°F | 0.05" | 0" |
| 2007 | 63°F | 46°F | 0.13" | 0" |
| 2006 | 48°F | 33°F | 0" | 0" |
| 2005 | 65°F | 38°F | 0.12" | 0" |
| 2004 | 72°F | 56°F | 0.82" | 0" |
| 2003 | 70°F | 56°F | 0" | 0" |
| 2002 | 62°F | 40°F | 0" | 0" |
| 2001 | 76°F | 52°F | 0" | 0" |
| 2000 | 66°F | 58°F | 0.1" | 0" |
| 1999 | 63°F | 38°F | 0" | 0" |
| 1998 | 57°F | 33°F | 0" | 0" |
| 1997 | 53°F | 34°F | 0" | 0" |
| 1996 | 63°F | 40°F | 0.72" | 0" |
| 1995 | 77°F | 56°F | 0" | 0" |
| 1994 | 74°F | 46°F | 0" | 0" |
| 1993 | 68°F | 37°F | 0" | 0" |
| 1992 | 82°F | 53°F | 0" | 0" |
| 1991 | 78°F | 65°F | 0.74" | 0" |
| 1990 | 63°F | 39°F | 0" | 0" |
| 1989 | 79°F | 52°F | 0" | 0" |
| 1988 | 60°F | 39°F | 0.51" | 0" |
| 1987 | 70°F | 40°F | 0.09" | 0" |
| 1986 | 66°F | 52°F | 0.03" | 0" |
| 1985 | 74°F | 55°F | 0" | 0" |
| 1982 | 54°F | 24°F | 0" | 0" |
| 1980 | 82°F | 39°F | 0" | 0" |
| 1979 | 73°F | 41°F | 0.05" | 0" |
| 1978 | 73°F | 49°F | 0.07" | 0" |
| 1977 | 76°F | -- | 0" | 0" |
| 1976 | 56°F | 34°F | 0.79" | 0" |
| 1975 | 82°F | 54°F | 0" | 0" |
| 1974 | 74°F | 36°F | 0" | 0" |
| 1973 | 77°F | 41°F | 0" | 0" |
| 1972 | 63°F | 46°F | 0.06" | 0" |
| 1971 | 71°F | 61°F | 0.15" | 0" |