Weather on March 19 at Gateway Arch

Gateway Arch National Park

MOMidwest450 ft elevation
Avg High58°F
Avg Low37°F
Warmest201269°F
Coldest198932°F

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

YearHighLowPrecipSnow
202679°F39°F0"--
202578°F41°F0"0"
202473°F26°F0"0"
202342°F21°F0"0"
202258°F36°F0.1"0"
202153°F33°F0"0"
202069°F50°F2.57"0"
201956°F29°F0"0"
201848°F42°F--0"
201758°F37°F0"0"
201654°F38°F0.2"0"
201546°F35°F0.2"0"
201456°F43°F0"0"
201350°F30°F0"--
201281°F58°F0"--
201162°F42°F0"--
201065°F37°F0"0"
200973°F41°F1.37"0"
200856°F39°F6.91"0"
200753°F26°F0.08"0"
200648°F35°F0"0"
200562°F38°F0"0"
200463°F30°F0"0"
200367°F55°F1.32"0"
200253°F42°F0.79"0"
200149°F34°F0"0"
200045°F34°F0.51"0"
199956°F36°F0"0"
199855°F42°F0.05"0"
199751°F35°F0.86"0"
199649°F29°F0"0"
199574°F59°F0.81"0"
199465°F36°F0"0"
199342°F31°F0.69"0.5"
199244°F31°F1.52"3"
199163°F47°F0"0"
199051°F26°F0"0"
198938°F26°F0"0"
198857°F30°F0"0"
198765°F39°F1.04"0"
198655°F24°F0.05"0"
198573°F50°F0"0"
198448°F30°F0.38"0"
198264°F43°F0.25"0"
1980--23°F0"0"
197969°F56°F0"0"
197860°F34°F0"--
197754°F30°F0.03"0"
197675°F48°F0"0"
197556°F39°F--0"
197470°F35°F0"0"
197357°F28°F0"0"
197265°F37°F0"--
197146°F--0.18"--

March 19 at Nearby Parks

Holiday Weather at Gateway Arch

Official NPS WebsiteVisit nps.gov/jeff for park information, alerts, and reservations

Explore More at Gateway Arch

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