Weather on March 6 at Gateway Arch
Gateway Arch National Park
MOMidwest450 ft elevation
Avg High53°F
Avg Low31°F
Warmest199263°F
Coldest198921°F
Based on 54 years of data from St. Louis, MO
Planning Your Visit
March 6th in Gateway Arch National Park (via St. Louis, MO) typically brings cool spring weather, with average highs around 53°F and lows near 31°F. Over 54 years of records, the warmest March 6th was in 1992 (63°F average), while the coldest was 1989 (21°F) — a 42°F range across recorded history. Precipitation has occurred on 22% of recorded March 6th dates, with snow falling 2% of the time (heaviest snowfall: 11"). The last decade has been 4.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.7°F warmer on this date compared to 20-30 years ago.
Planning for March 6th in Gateway Arch? Bring layers as temperatures can vary throughout the day.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 51°F | 29°F | 0" | 0" |
| 2024 | 61°F | 38°F | 0" | 0" |
| 2023 | 74°F | 44°F | 0" | 0" |
| 2022 | 68°F | 43°F | 4.62" | 0" |
| 2021 | 58°F | 30°F | 0" | 0" |
| 2020 | 52°F | 29°F | 0" | 0" |
| 2019 | 36°F | 13°F | 0" | 0" |
| 2018 | 51°F | -- | 0.28" | 0" |
| 2017 | 58°F | 49°F | 0" | 0" |
| 2016 | 56°F | 34°F | 0" | 0" |
| 2015 | 48°F | 14°F | 0" | 0" |
| 2014 | 42°F | 24°F | 0" | 0" |
| 2013 | 36°F | 30°F | 0" | 0" |
| 2012 | 52°F | 31°F | 0" | -- |
| 2011 | 66°F | 32°F | 0" | -- |
| 2010 | 52°F | 23°F | 0" | 0" |
| 2009 | 68°F | 51°F | 0" | 0" |
| 2008 | 44°F | 12°F | 0" | 0" |
| 2007 | 65°F | 26°F | 0" | 0" |
| 2006 | 44°F | 35°F | 0.69" | 0" |
| 2005 | 53°F | 30°F | 0" | 0" |
| 2004 | 69°F | 43°F | 0" | 0" |
| 2003 | 29°F | 24°F | 0" | 0" |
| 2002 | 62°F | 33°F | 0" | 0" |
| 2001 | 42°F | 23°F | 0" | 0" |
| 2000 | 68°F | 33°F | 0" | 0" |
| 1999 | 60°F | 34°F | 0.66" | 0" |
| 1998 | 45°F | 28°F | 0.43" | 0" |
| 1997 | 40°F | 28°F | 0" | 0" |
| 1996 | 48°F | 26°F | 0" | 0" |
| 1995 | 50°F | 36°F | 0" | 0" |
| 1994 | 73°F | 40°F | 0" | 0" |
| 1993 | 55°F | 27°F | 0" | 0" |
| 1992 | 72°F | 54°F | 0" | 0" |
| 1991 | 58°F | 25°F | 0.15" | 0" |
| 1990 | 61°F | 37°F | 0.58" | 0" |
| 1989 | 29°F | 14°F | 2.79" | 11" |
| 1988 | 55°F | 26°F | 0" | 0" |
| 1987 | 72°F | 34°F | 0" | 0" |
| 1986 | 55°F | 40°F | 0.05" | 0" |
| 1985 | 43°F | 34°F | 0" | 0" |
| 1984 | 42°F | 20°F | 0" | 0" |
| 1983 | 61°F | 52°F | 1.19" | 0" |
| 1982 | 38°F | 25°F | 0.46" | 0" |
| 1980 | 47°F | 20°F | 0" | 0" |
| 1979 | 38°F | 28°F | 0" | 0" |
| 1978 | 35°F | 9°F | 0" | -- |
| 1977 | 49°F | 27°F | 0" | 0" |
| 1976 | 41°F | 26°F | 0" | 0" |
| 1975 | 59°F | 31°F | 0" | 0" |
| 1974 | 66°F | 39°F | 0" | 0" |
| 1973 | 52°F | 42°F | 0" | 0" |
| 1972 | -- | 24°F | 0" | -- |
| 1971 | 47°F | -- | 1.68" | -- |
March 6 at Nearby Parks
Holiday Weather at Gateway Arch
Official NPS WebsiteVisit nps.gov/jeff for park information, alerts, and reservations
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