Weather on October 12 at Gateway Arch
Gateway Arch National Park
Based on 51 years of data from St. Louis, MO
Planning Your Visit
October 12th in Gateway Arch National Park (via St. Louis, MO) typically brings pleasant fall weather, with average highs around 71°F and lows near 48°F. Over 51 years of records, the warmest October 12th was in 1973 (75°F average), while the coldest was 2018 (42°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 25% of October 12th dates historically, with the wettest October 12th recording 2.06" 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 12th in Gateway Arch? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 82°F | 47°F | 0" | 0" |
| 2024 | 88°F | 53°F | 0" | 0" |
| 2023 | 81°F | 54°F | 0" | 0" |
| 2022 | 74°F | 53°F | 0" | 0" |
| 2021 | 78°F | 54°F | 0" | 0" |
| 2020 | 75°F | 43°F | 0" | 0" |
| 2019 | 61°F | 33°F | 0" | 0" |
| 2018 | 46°F | 38°F | -- | 0" |
| 2017 | 59°F | 53°F | -- | 0" |
| 2016 | 82°F | 61°F | 0.03" | 0" |
| 2015 | 82°F | -- | 0" | 0" |
| 2014 | 58°F | 52°F | 0.1" | 0" |
| 2013 | 81°F | 64°F | 0.05" | 0" |
| 2012 | 65°F | 49°F | 0.05" | -- |
| 2011 | 82°F | 60°F | 0.46" | -- |
| 2010 | 85°F | 53°F | 0" | 0" |
| 2009 | 54°F | 37°F | 0.03" | 0" |
| 2008 | 83°F | 57°F | 0" | 0" |
| 2007 | 62°F | 40°F | 0" | 0" |
| 2006 | 63°F | 34°F | 0" | 0" |
| 2005 | 62°F | 52°F | 0" | 0" |
| 2004 | 66°F | 53°F | 0.64" | 0" |
| 2003 | 75°F | 52°F | 0.05" | 0" |
| 2002 | 71°F | 63°F | 0" | 0" |
| 2001 | 58°F | 56°F | 2.06" | 0" |
| 2000 | 71°F | 36°F | 0" | 0" |
| 1999 | 73°F | 47°F | 0" | 0" |
| 1998 | 74°F | 50°F | 0" | 0" |
| 1997 | 85°F | 65°F | 0" | 0" |
| 1996 | 64°F | 43°F | 0" | 0" |
| 1995 | 84°F | 52°F | 0" | 0" |
| 1994 | 67°F | 44°F | 0" | 0" |
| 1993 | 68°F | 43°F | 0" | 0" |
| 1992 | 72°F | 38°F | 0" | 0" |
| 1991 | 72°F | 39°F | 0" | 0" |
| 1990 | 65°F | 40°F | 0" | 0" |
| 1989 | 90°F | 56°F | 0" | 0" |
| 1988 | 60°F | 27°F | 0" | 0" |
| 1987 | 61°F | 28°F | 0" | 0" |
| 1985 | 85°F | 63°F | 1.32" | 0" |
| 1982 | 61°F | 42°F | 0" | 0" |
| 1980 | 62°F | 35°F | 0" | -- |
| 1979 | 76°F | 48°F | 0" | 0" |
| 1978 | 71°F | 54°F | 0.13" | 0" |
| 1977 | 49°F | 38°F | 0.05" | 0" |
| 1976 | 76°F | 43°F | 0" | 0" |
| 1975 | 80°F | 52°F | 0" | 0" |
| 1974 | 74°F | 48°F | 0" | 0" |
| 1973 | 84°F | 66°F | 0.25" | 0" |
| 1972 | 75°F | 60°F | 0" | 0" |
| 1971 | 74°F | 34°F | 0" | 0" |