Weather on October 16 at Gateway Arch

Gateway Arch National Park

MOMidwest450 ft elevation
Avg High70°F
Avg Low45°F
Warmest201673°F
Coldest201845°F

Based on 52 years of data from St. Louis, MO

Planning Your Visit

October 16th in Gateway Arch National Park (via St. Louis, MO) typically brings pleasant fall weather, with average highs around 70°F and lows near 45°F — a 25°F daily swing. Over 52 years of records, the warmest October 16th was in 2016 (73°F average), while the coldest was 2018 (45°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 25% of October 16th dates historically, with the wettest October 16th recording 1.78" of rain. The last decade has been 5.0°F cooler on this date compared to 20-30 years ago.

The last decade has been 5.0°F cooler on this date compared to 20-30 years ago.

Planning for October 16th in Gateway Arch? Great weather for outdoor activities.

Year by Year History

YearHighLowPrecipSnow
202585°F56°F0"0"
202461°F30°F0"0"
202364°F39°F0"0"
202269°F37°F0"0"
202163°F41°F0"0"
202064°F28°F0"0"
201954°F38°F0"0"
201857°F34°F0"0"
201764°F41°F--0"
201681°F65°F0"0"
201580°F48°F0"0"
201460°F47°F0"0"
201368°F47°F0.56"0"
201271°F52°F0"0"
201171°F47°F0"--
201070°F37°F0"0"
200949°F43°F0.03"0"
200880°F47°F1.24"0"
200771°F56°F0.28"0"
200664°F38°F0.13"0"
200574°F40°F0"0"
200462°F42°F0"0"
200372°F51°F0"0"
200265°F39°F0"0"
200160°F38°F1.78"0"
200065°F57°F0.43"0"
199985°F50°F0"0"
199879°F55°F0"0"
199764°F41°F0"0"
199679°F56°F0"0"
199569°F40°F0"0"
199477°F55°F0"0"
199371°F58°F0.08"0"
199273°F49°F0"0"
199167°F40°F0"0"
199082°F59°F0.43"0"
198985°F44°F0.51"0"
198881°F57°F0.13"0"
198779°F48°F0.25"0"
198669°F42°F0"0"
198578°F43°F0"0"
198275°F44°F0"0"
198072°F--0"0"
197968°F49°F0.56"0"
197859°F38°F0"0"
197760°F38°F0"0"
197661°F38°F0"0"
197573°F39°F0"0"
197459°F37°F0"0"
197380°F49°F0"0"
197265°F47°F0"0"
197181°F54°F0"0"

October 16 at Nearby Parks

Holiday Weather at Gateway Arch

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

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