Weather on April 15 at Gateway Arch
Gateway Arch National Park
Based on 54 years of data from St. Louis, MO
Planning Your Visit
April 15th in Gateway Arch National Park (via St. Louis, MO) typically brings mild spring weather, with average highs around 68°F and lows near 46°F. Over 54 years of records, the warmest April 15th was in 2006 (78°F average), while the coldest was 2014 (37°F) — a 41°F range across recorded history. Rain or other precipitation has occurred on about 41% of April 15th dates historically, with the wettest April 15th recording 2.97" 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 April 15th in Gateway Arch? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 75°F | 63°F | 1.3" | 0" |
| 2025 | 63°F | 43°F | 0" | 0" |
| 2024 | 89°F | 60°F | 0" | 0" |
| 2023 | 79°F | 54°F | 2.97" | 0" |
| 2022 | 65°F | 41°F | 0.03" | 0" |
| 2021 | 60°F | 41°F | 0" | 0" |
| 2020 | 50°F | 32°F | 0" | 0" |
| 2019 | 65°F | 29°F | 0" | 0" |
| 2018 | 62°F | 37°F | 0.25" | 0" |
| 2017 | 84°F | 65°F | 0.13" | 0" |
| 2016 | 72°F | 55°F | 0" | 0" |
| 2015 | 69°F | 54°F | 0" | 0" |
| 2014 | 44°F | 31°F | 0.08" | 0" |
| 2013 | 78°F | 58°F | 0.38" | 0" |
| 2012 | 77°F | 53°F | 1.14" | -- |
| 2011 | 74°F | 52°F | 0.99" | 0" |
| 2010 | 86°F | 50°F | 0" | 0" |
| 2009 | 47°F | 34°F | 0" | 0" |
| 2008 | 51°F | 29°F | 0" | 0" |
| 2007 | 45°F | 36°F | 0.43" | 0" |
| 2006 | 93°F | 62°F | 0" | 0" |
| 2005 | 66°F | 40°F | 0" | 0" |
| 2004 | 68°F | 40°F | 0" | 0" |
| 2003 | 88°F | 59°F | 0" | 0" |
| 2002 | 81°F | 59°F | 0" | 0" |
| 2001 | 77°F | 52°F | 1.55" | 0" |
| 2000 | 67°F | 50°F | 0" | 0" |
| 1999 | 55°F | 49°F | 1.4" | 0" |
| 1998 | 74°F | 57°F | 2.34" | 0" |
| 1997 | 59°F | 34°F | 0" | 0" |
| 1996 | 59°F | 36°F | 0.08" | 0" |
| 1995 | 80°F | 51°F | 0" | 0" |
| 1994 | 83°F | 52°F | 1.45" | 0" |
| 1993 | 61°F | 43°F | 1.37" | 0" |
| 1992 | 85°F | 59°F | 0.13" | 0" |
| 1991 | 71°F | 45°F | 0.76" | 0" |
| 1990 | 48°F | 35°F | 0" | 0" |
| 1989 | 66°F | 45°F | 0" | 0" |
| 1988 | 72°F | 34°F | 0" | 0" |
| 1985 | 59°F | 48°F | 0.03" | 0" |
| 1984 | 53°F | 48°F | 0" | 0" |
| 1983 | 44°F | 37°F | 0" | 0" |
| 1982 | 70°F | 38°F | 0" | 0" |
| 1981 | 61°F | 41°F | 0" | 0" |
| 1980 | 60°F | 33°F | 0.2" | 0" |
| 1979 | 74°F | 43°F | 0" | 0" |
| 1978 | 74°F | 38°F | 0" | 0" |
| 1977 | 83°F | 50°F | 0" | 0" |
| 1976 | 80°F | 57°F | 0" | 0" |
| 1975 | 48°F | 42°F | 0" | 0" |
| 1974 | 62°F | 45°F | 0.03" | 0" |
| 1973 | 76°F | 48°F | 0" | 0" |
| 1972 | 80°F | 53°F | 2.87" | 0" |
| 1971 | 77°F | 34°F | 0" | 0" |