Weather on October 27 at Gateway Arch

Gateway Arch National Park

MOMidwest450 ft elevation
Avg High64°F
Avg Low42°F
Warmest201471°F
Coldest202040°F

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

Planning Your Visit

October 27th in Gateway Arch National Park (via St. Louis, MO) typically brings mild fall weather, with average highs around 64°F and lows near 42°F. Over 52 years of records, the warmest October 27th was in 2014 (71°F average), while the coldest was 2020 (40°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 33% of October 27th dates historically, with the wettest October 27th recording 1.35" of rain. Temperatures on this date have remained relatively stable over the past several decades.

Temperatures on this date have remained relatively stable over the past several decades.

Planning for October 27th in Gateway Arch? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecipSnow
202554°F49°F0.25"--
202469°F33°F0"0"
202385°F49°F0.38"0"
202262°F35°F0"0"
202165°F46°F0"0"
202042°F37°F0.25"0"
201968°F39°F0"--
201862°F43°F0"0"
201767°F44°F0"0"
201672°F54°F0.08"0"
201570°F46°F0.13"0"
201478°F64°F0"0"
201367°F33°F0"0"
201250°F35°F0.03"--
201162°F46°F0.15"--
201075°F52°F0"0"
200958°F47°F0.41"0"
200864°F37°F0"0"
200758°F49°F0.18"0"
200654°F50°F0.51"0"
200557°F33°F0"0"
200465°F61°F1.09"0"
200351°F38°F0"0"
200251°F45°F0"0"
200152°F30°F0"0"
200081°F56°F0"0"
199971°F38°F0"0"
199876°F48°F0"0"
199756°F36°F0.08"0"
199667°F60°F0"0"
199566°F48°F0.71"0"
199463°F30°F0"0"
199358°F41°F0"0"
199268°F40°F0"0"
199165°F61°F0"0"
199069°F39°F0"0"
198980°F46°F0"0"
198864°F35°F0.64"0"
198763°F29°F0"0"
198667°F42°F0"0"
198578°F43°F0"0"
198265°F29°F0"0"
198055°F30°F--0"
197962°F34°F0"0"
197861°F29°F0.05"0"
197765°F--0"0"
197653°F38°F0"0"
197556°F30°F0"0"
197472°F44°F0"0"
197374°F46°F1.35"0"
197260°F34°F0.13"0"
197176°F49°F0"0"

October 27 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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