Weather on October 3 at Gateway Arch
Gateway Arch National Park
Based on 51 years of data from St. Louis, MO
Planning Your Visit
October 3rd in Gateway Arch National Park (via St. Louis, MO) typically brings pleasant fall weather, with average highs around 75°F and lows near 51°F. Over 51 years of records, the warmest October 3rd was in 2002 (80°F average), while the coldest was 1974 (43°F) — a 37°F range across recorded history. Rain or other precipitation has occurred on about 31% of October 3rd dates historically, with the wettest October 3rd recording 4.39" of rain. The last decade has been 3.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.1°F warmer on this date compared to 20-30 years ago.
Planning for October 3rd 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 | 90°F | 60°F | 0" | 0" |
| 2024 | 82°F | 46°F | 0" | 0" |
| 2023 | 89°F | 58°F | 0" | 0" |
| 2022 | 74°F | 43°F | 0" | 0" |
| 2021 | 76°F | 64°F | 1.02" | 0" |
| 2020 | 62°F | 38°F | 0.03" | 0" |
| 2019 | 76°F | 56°F | 0" | 0" |
| 2018 | 90°F | 67°F | 0" | 0" |
| 2017 | 80°F | 69°F | 0.3" | 0" |
| 2016 | 72°F | 63°F | 0" | 0" |
| 2015 | 69°F | 49°F | 0" | 0" |
| 2014 | 66°F | 46°F | 0.48" | 0" |
| 2013 | 85°F | 70°F | 0" | 0" |
| 2012 | 71°F | 59°F | 0.13" | 0" |
| 2011 | 69°F | 39°F | 0" | -- |
| 2010 | 63°F | 44°F | 0.1" | 0" |
| 2009 | 67°F | 47°F | 0" | 0" |
| 2008 | 66°F | 45°F | 0" | 0" |
| 2007 | 83°F | 57°F | 1.57" | 0" |
| 2006 | 90°F | 67°F | 0" | 0" |
| 2005 | 85°F | 67°F | 0" | 0" |
| 2004 | 63°F | 36°F | 0" | 0" |
| 2003 | 58°F | 41°F | 0" | 0" |
| 2002 | 92°F | 69°F | 4.39" | 0" |
| 2001 | 82°F | 53°F | 0" | 0" |
| 2000 | 87°F | 59°F | 0" | 0" |
| 1999 | 66°F | 48°F | 0.38" | 0" |
| 1998 | 70°F | 54°F | 0.33" | 0" |
| 1997 | 82°F | 55°F | 0" | 0" |
| 1996 | 79°F | 46°F | 0" | 0" |
| 1995 | 80°F | 56°F | 1.73" | 0" |
| 1994 | 79°F | 57°F | 0" | 0" |
| 1993 | 70°F | 41°F | 0" | 0" |
| 1992 | 82°F | 49°F | 0" | 0" |
| 1991 | 81°F | 64°F | 0.64" | 0" |
| 1990 | 81°F | 50°F | 0.33" | 0" |
| 1989 | 65°F | 37°F | 0" | 0" |
| 1988 | 67°F | 42°F | 0" | 0" |
| 1987 | 63°F | 30°F | 0" | 0" |
| 1986 | 78°F | 60°F | 0.84" | 0" |
| 1985 | 75°F | 48°F | 0" | 0" |
| 1980 | 83°F | -- | 0" | 0" |
| 1979 | 75°F | 44°F | 0" | 0" |
| 1978 | 73°F | 55°F | 0.76" | 0" |
| 1977 | 58°F | 39°F | 0" | 0" |
| 1976 | 90°F | 47°F | 0" | 0" |
| 1975 | 61°F | 35°F | 0" | 0" |
| 1974 | 57°F | 29°F | 0" | 0" |
| 1973 | 80°F | 59°F | 0.05" | 0" |
| 1972 | 72°F | 48°F | 0" | 0" |
| 1971 | 90°F | 62°F | 0" | 0" |