Weather on March 14 at Gateway Arch

Gateway Arch National Park

MOMidwest450 ft elevation
Avg High57°F
Avg Low35°F
Warmest202571°F
Coldest198824°F

Based on 54 years of data from St. Louis, MO

Planning Your Visit

March 14th in Gateway Arch National Park (via St. Louis, MO) typically brings cool spring weather, with average highs around 57°F and lows near 35°F. Over 54 years of records, the warmest March 14th was in 2025 (71°F average), while the coldest was 1988 (24°F) — a 47°F range across recorded history. Precipitation has occurred on 35% of recorded March 14th dates, with snow falling 9% of the time (heaviest snowfall: 2.5"). The last decade has been 8.0°F warmer on this date compared to 20-30 years ago.

The last decade has been 8.0°F warmer on this date compared to 20-30 years ago.

Planning for March 14th in Gateway Arch? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecipSnow
202666°F37°F0"0"
202585°F57°F5.05"0"
202480°F55°F1.17"0"
202343°F27°F0"0"
202266°F36°F0"0"
202152°F47°F0"0"
202045°F37°F0.94"0"
201968°F45°F0"0"
201857°F--0"0"
201737°F28°F0.05"0.1"
201663°F56°F0.2"0"
201552°F48°F1.88"0"
201461°F40°F0"--
201342°F29°F0"0"
201282°F46°F0"--
201145°F32°F3.15"2.5"
201047°F42°F0.25"0"
200947°F26°F0"0"
200860°F38°F0"0"
200778°F47°F0"0"
200664°F30°F0"0"
200535°F20°F0"0"
200454°F38°F0.36"0"
200344°F35°F0"0"
200264°F38°F0"0"
200162°F28°F0"0"
200062°F32°F0.05"0"
199941°F31°F0.05"0.3"
199859°F29°F0"0"
199750°F35°F2.64"0"
199670°F42°F0"0"
199575°F47°F0"0"
199475°F30°F0"0"
199335°F12°F0"0"
199244°F31°F1.04"1"
199140°F27°F0.38"1.5"
199073°F50°F0.25"0"
198973°F30°F0"0"
198829°F19°F0"0"
198769°F39°F0"0"
198657°F32°F0"0"
198560°F29°F0"0"
198369°F42°F0"0"
198272°F35°F0"0"
198040°F24°F0.1"0"
197975°F31°F0"0"
197839°F35°F1.02"--
197752°F33°F0.05"0"
197651°F22°F0"0"
197533°F21°F0"0"
197447°F23°F0"0"
197367°F44°F0.71"0"
197257°F35°F0"--
197174°F--0"--

March 14 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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