Weather on June 15 at Gateway Arch
Gateway Arch National Park
Based on 53 years of data from St. Louis, MO
Planning Your Visit
June 15th in Gateway Arch National Park (via St. Louis, MO) typically brings warm summer weather, with average highs around 87°F and lows near 65°F. Over 53 years of records, the warmest June 15th was in 2022 (86°F average), while the coldest was 1989 (61°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 32% of June 15th dates historically, with the wettest June 15th recording 5.59" of rain. The last decade has been 3.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.9°F warmer on this date compared to 20-30 years ago.
Planning for June 15th in Gateway Arch? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 84°F | 65°F | 0" | 0" |
| 2024 | 95°F | 59°F | 0" | 0" |
| 2023 | 91°F | 59°F | 0" | 0" |
| 2022 | 97°F | 75°F | 0" | 0" |
| 2021 | 89°F | 58°F | 0" | 0" |
| 2020 | 85°F | 56°F | 0" | 0" |
| 2019 | 85°F | 69°F | 0.38" | -- |
| 2018 | 91°F | 77°F | 2.54" | 0" |
| 2017 | 92°F | 65°F | 1.09" | 0" |
| 2016 | 92°F | 79°F | 0" | 0" |
| 2015 | 80°F | 72°F | 1.12" | 0" |
| 2014 | 85°F | 56°F | 0" | 0" |
| 2013 | 84°F | 70°F | 0" | 0" |
| 2012 | 88°F | 68°F | 0" | 0" |
| 2011 | 80°F | 66°F | 0.05" | 0" |
| 2010 | 92°F | 70°F | 0.25" | 0" |
| 2009 | 79°F | 67°F | 0.41" | 0" |
| 2008 | 85°F | 63°F | 0" | 0" |
| 2007 | 91°F | 65°F | 0" | 0" |
| 2006 | 84°F | 63°F | 0" | 0" |
| 2005 | 82°F | 67°F | 0" | 0" |
| 2004 | 91°F | 74°F | 0" | 0" |
| 2003 | 82°F | 67°F | 0" | 0" |
| 2002 | 75°F | 58°F | 0" | 0" |
| 2001 | 91°F | 68°F | 0.36" | 0" |
| 2000 | 84°F | 62°F | 0.33" | 0" |
| 1999 | 78°F | 59°F | 0" | 0" |
| 1998 | 85°F | 65°F | 0.1" | 0" |
| 1997 | 79°F | 58°F | 0" | 0" |
| 1996 | 89°F | 70°F | 0" | 0" |
| 1995 | 84°F | 59°F | 0" | 0" |
| 1994 | 93°F | 72°F | 0" | 0" |
| 1993 | 86°F | 58°F | 0" | 0" |
| 1992 | 85°F | 65°F | 5.59" | 0" |
| 1991 | 92°F | 67°F | 0" | 0" |
| 1990 | 86°F | 69°F | 0" | 0" |
| 1989 | 75°F | 47°F | 0" | 0" |
| 1988 | 94°F | 64°F | 0.08" | 0" |
| 1987 | 94°F | 69°F | 0" | 0" |
| 1986 | 89°F | 65°F | 1.02" | 0" |
| 1985 | 86°F | 61°F | 0" | 0" |
| 1984 | 92°F | 71°F | 0" | 0" |
| 1981 | 91°F | 74°F | 0" | 0" |
| 1980 | 95°F | 75°F | 0" | -- |
| 1979 | 87°F | 67°F | 0" | 0" |
| 1978 | 83°F | 56°F | 0" | 0" |
| 1977 | 73°F | 60°F | 0" | 0" |
| 1976 | 91°F | 69°F | 0" | 0" |
| 1975 | 93°F | 64°F | 1.7" | 0" |
| 1974 | 84°F | 59°F | 2.82" | 0" |
| 1973 | 88°F | 72°F | 0.41" | 0" |
| 1972 | 87°F | 63°F | 2.03" | 0" |
| 1971 | 85°F | 64°F | 0" | 0" |