Weather on March 19 at Gateway Arch
Gateway Arch National Park
Based on 54 years of data from St. Louis, MO
Planning Your Visit
March 19th in Gateway Arch National Park (via St. Louis, MO) typically brings cool spring weather, with average highs around 58°F and lows near 37°F. Over 54 years of records, the warmest March 19th was in 2012 (69°F average), while the coldest was 1989 (32°F) — a 37°F range across recorded history. Precipitation has occurred on 39% of recorded March 19th dates, with snow falling 4% of the time (heaviest snowfall: 3"). The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
Planning for March 19th in Gateway Arch? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 79°F | 39°F | 0" | -- |
| 2025 | 78°F | 41°F | 0" | 0" |
| 2024 | 73°F | 26°F | 0" | 0" |
| 2023 | 42°F | 21°F | 0" | 0" |
| 2022 | 58°F | 36°F | 0.1" | 0" |
| 2021 | 53°F | 33°F | 0" | 0" |
| 2020 | 69°F | 50°F | 2.57" | 0" |
| 2019 | 56°F | 29°F | 0" | 0" |
| 2018 | 48°F | 42°F | -- | 0" |
| 2017 | 58°F | 37°F | 0" | 0" |
| 2016 | 54°F | 38°F | 0.2" | 0" |
| 2015 | 46°F | 35°F | 0.2" | 0" |
| 2014 | 56°F | 43°F | 0" | 0" |
| 2013 | 50°F | 30°F | 0" | -- |
| 2012 | 81°F | 58°F | 0" | -- |
| 2011 | 62°F | 42°F | 0" | -- |
| 2010 | 65°F | 37°F | 0" | 0" |
| 2009 | 73°F | 41°F | 1.37" | 0" |
| 2008 | 56°F | 39°F | 6.91" | 0" |
| 2007 | 53°F | 26°F | 0.08" | 0" |
| 2006 | 48°F | 35°F | 0" | 0" |
| 2005 | 62°F | 38°F | 0" | 0" |
| 2004 | 63°F | 30°F | 0" | 0" |
| 2003 | 67°F | 55°F | 1.32" | 0" |
| 2002 | 53°F | 42°F | 0.79" | 0" |
| 2001 | 49°F | 34°F | 0" | 0" |
| 2000 | 45°F | 34°F | 0.51" | 0" |
| 1999 | 56°F | 36°F | 0" | 0" |
| 1998 | 55°F | 42°F | 0.05" | 0" |
| 1997 | 51°F | 35°F | 0.86" | 0" |
| 1996 | 49°F | 29°F | 0" | 0" |
| 1995 | 74°F | 59°F | 0.81" | 0" |
| 1994 | 65°F | 36°F | 0" | 0" |
| 1993 | 42°F | 31°F | 0.69" | 0.5" |
| 1992 | 44°F | 31°F | 1.52" | 3" |
| 1991 | 63°F | 47°F | 0" | 0" |
| 1990 | 51°F | 26°F | 0" | 0" |
| 1989 | 38°F | 26°F | 0" | 0" |
| 1988 | 57°F | 30°F | 0" | 0" |
| 1987 | 65°F | 39°F | 1.04" | 0" |
| 1986 | 55°F | 24°F | 0.05" | 0" |
| 1985 | 73°F | 50°F | 0" | 0" |
| 1984 | 48°F | 30°F | 0.38" | 0" |
| 1982 | 64°F | 43°F | 0.25" | 0" |
| 1980 | -- | 23°F | 0" | 0" |
| 1979 | 69°F | 56°F | 0" | 0" |
| 1978 | 60°F | 34°F | 0" | -- |
| 1977 | 54°F | 30°F | 0.03" | 0" |
| 1976 | 75°F | 48°F | 0" | 0" |
| 1975 | 56°F | 39°F | -- | 0" |
| 1974 | 70°F | 35°F | 0" | 0" |
| 1973 | 57°F | 28°F | 0" | 0" |
| 1972 | 65°F | 37°F | 0" | -- |
| 1971 | 46°F | -- | 0.18" | -- |