Weather on October 1 at Gateway Arch
Gateway Arch National Park
Based on 52 years of data from St. Louis, MO
Planning Your Visit
October 1st in Gateway Arch National Park (via St. Louis, MO) typically brings pleasant fall weather, with average highs around 77°F and lows near 52°F — a 25°F daily swing. Over 52 years of records, the warmest October 1st was in 2019 (80°F average), while the coldest was 1985 (45°F) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 13% of October 1st dates historically, with the wettest October 1st recording 5.13" of rain. The last decade has been 5.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.6°F warmer on this date compared to 20-30 years ago.
Planning for October 1st in Gateway Arch? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 88°F | 56°F | 0" | 0" |
| 2024 | 76°F | 48°F | 0" | 0" |
| 2023 | 87°F | 55°F | 0" | 0" |
| 2022 | 75°F | 39°F | 0" | 0" |
| 2021 | 83°F | 60°F | 0" | 0" |
| 2020 | 68°F | 43°F | 0" | 0" |
| 2019 | 94°F | 66°F | 0" | 0" |
| 2018 | 86°F | 57°F | 0" | 0" |
| 2017 | 76°F | 57°F | 0" | 0" |
| 2016 | 70°F | 61°F | 0.18" | 0" |
| 2015 | 71°F | 49°F | 0" | 0" |
| 2014 | 86°F | 63°F | 0" | 0" |
| 2013 | 79°F | 64°F | 0" | 0" |
| 2012 | 73°F | 56°F | 0" | 0" |
| 2011 | 71°F | 44°F | 0" | -- |
| 2010 | 76°F | 46°F | 0" | 0" |
| 2009 | 70°F | 46°F | 0" | 0" |
| 2008 | 66°F | 46°F | 0" | 0" |
| 2007 | 88°F | 60°F | 0" | 0" |
| 2006 | 73°F | 51°F | 0" | 0" |
| 2005 | 72°F | 46°F | 0" | 0" |
| 2004 | 76°F | 47°F | 0" | 0" |
| 2003 | 51°F | 40°F | 0.64" | 0" |
| 2002 | 87°F | 69°F | 0" | 0" |
| 2001 | 72°F | 45°F | 0" | 0" |
| 2000 | 80°F | 53°F | 0" | 0" |
| 1999 | 71°F | 44°F | 0" | 0" |
| 1998 | 79°F | 54°F | 0" | 0" |
| 1997 | 78°F | 47°F | 0" | 0" |
| 1996 | 75°F | 47°F | 0" | 0" |
| 1995 | 84°F | 56°F | 0.08" | 0" |
| 1994 | 89°F | 65°F | 0" | 0" |
| 1993 | 77°F | 59°F | 0" | 0" |
| 1992 | 75°F | 42°F | 0" | 0" |
| 1991 | 81°F | 59°F | 0" | 0" |
| 1990 | 80°F | 52°F | 0" | 0" |
| 1989 | 74°F | 55°F | 0" | 0" |
| 1988 | 76°F | 51°F | 3.68" | 0" |
| 1987 | 80°F | 46°F | 0" | 0" |
| 1986 | 75°F | 57°F | 5.13" | 0" |
| 1985 | 62°F | 28°F | 0" | 0" |
| 1982 | 86°F | 53°F | 0" | 0" |
| 1980 | 83°F | 55°F | 0" | 0" |
| 1979 | 86°F | 52°F | 0" | 0" |
| 1978 | 70°F | 44°F | 0" | 0" |
| 1977 | 77°F | 63°F | 0" | 0" |
| 1976 | 77°F | 46°F | 0" | 0" |
| 1975 | 80°F | 50°F | 0.91" | 0" |
| 1974 | 64°F | 38°F | 0" | 0" |
| 1973 | 82°F | 56°F | 0.28" | 0" |
| 1972 | 55°F | 40°F | 0" | 0" |
| 1971 | 92°F | 60°F | 0" | 0" |