Weather on October 2 at Gateway Arch
Gateway Arch National Park
Based on 51 years of data from St. Louis, MO
Planning Your Visit
October 2nd 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 51 years of records, the warmest October 2nd was in 2019 (81°F average), while the coldest was 1974 (48°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 12% of October 2nd dates historically, with the wettest October 2nd recording 2.44" of rain. The last decade has been 4.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.3°F warmer on this date compared to 20-30 years ago.
Planning for October 2nd in Gateway Arch? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 89°F | 60°F | 0" | 0" |
| 2024 | 74°F | 43°F | 0" | 0" |
| 2023 | 88°F | 55°F | 0" | 0" |
| 2022 | 77°F | 41°F | 0" | 0" |
| 2021 | 78°F | 68°F | 2.44" | 0" |
| 2020 | 62°F | 39°F | 0" | 0" |
| 2019 | 92°F | 70°F | 0" | 0" |
| 2018 | 88°F | 66°F | 0" | 0" |
| 2017 | 80°F | 68°F | 0" | 0" |
| 2016 | 72°F | 57°F | 0" | 0" |
| 2015 | 68°F | 48°F | 0" | 0" |
| 2014 | 88°F | 67°F | 1.45" | 0" |
| 2013 | 83°F | 67°F | 0" | 0" |
| 2012 | 65°F | 49°F | 0" | 0" |
| 2011 | 64°F | 39°F | 0" | -- |
| 2010 | 73°F | 49°F | 0" | 0" |
| 2009 | 72°F | 49°F | 0.36" | 0" |
| 2008 | 66°F | 42°F | 0" | 0" |
| 2007 | 83°F | 54°F | 0" | 0" |
| 2006 | 87°F | 55°F | 0" | 0" |
| 2005 | 81°F | 53°F | 0" | 0" |
| 2004 | 79°F | 45°F | 0.03" | 0" |
| 2003 | 63°F | 39°F | 0" | 0" |
| 2002 | 88°F | 68°F | 0" | 0" |
| 2001 | 78°F | 48°F | 0" | 0" |
| 2000 | 83°F | 55°F | 0" | 0" |
| 1999 | 77°F | 49°F | 0" | 0" |
| 1998 | 66°F | 52°F | 0" | 0" |
| 1997 | 73°F | 48°F | 0" | 0" |
| 1996 | 78°F | 55°F | 0" | 0" |
| 1995 | 82°F | 46°F | 0" | 0" |
| 1994 | 87°F | 59°F | 0" | 0" |
| 1993 | 75°F | 47°F | 0" | 0" |
| 1992 | 78°F | 46°F | 0" | 0" |
| 1991 | 83°F | 59°F | 0" | 0" |
| 1990 | 83°F | 65°F | 0" | 0" |
| 1989 | 73°F | 51°F | 0" | 0" |
| 1988 | 71°F | 48°F | 0" | 0" |
| 1986 | 74°F | 68°F | 1.65" | 0" |
| 1985 | 67°F | 32°F | 0" | 0" |
| 1982 | 86°F | 53°F | 0" | 0" |
| 1980 | 86°F | 50°F | 0" | 0" |
| 1979 | 89°F | 57°F | 0" | 0" |
| 1978 | 74°F | 44°F | 0" | 0" |
| 1977 | 71°F | 54°F | 0" | 0" |
| 1976 | 86°F | 46°F | 0" | 0" |
| 1975 | 60°F | 41°F | 0" | 0" |
| 1974 | 63°F | 33°F | 0" | 0" |
| 1973 | 71°F | 56°F | 0.08" | 0" |
| 1972 | 69°F | 39°F | 0" | 0" |
| 1971 | 90°F | 60°F | 0" | 0" |