Weather on October 15 at Gateway Arch

Gateway Arch National Park

MOMidwest450 ft elevation
Avg High70°F
Avg Low46°F
Warmest199277°F
Coldest201844°F

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

Planning Your Visit

October 15th in Gateway Arch National Park (via St. Louis, MO) typically brings pleasant fall weather, with average highs around 70°F and lows near 46°F. Over 52 years of records, the warmest October 15th was in 1992 (77°F average), while the coldest was 2018 (44°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 23% of October 15th dates historically, with the wettest October 15th 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 15th in Gateway Arch? Great weather for outdoor activities.

Year by Year History

YearHighLowPrecipSnow
202585°F54°F0"0"
202458°F36°F0"0"
202361°F47°F0.05"0"
202266°F34°F0"0"
202166°F49°F--0"
202069°F32°F0.03"0"
201970°F46°F0"0"
201852°F36°F0.05"0"
201789°F55°F--0"
201671°F56°F0"0"
201574°F48°F0"0"
201457°F52°F0.33"0"
201368°F54°F0.28"0"
201274°F49°F0.05"0"
201172°F44°F0"--
201072°F42°F0"0"
200946°F44°F1.35"0"
200871°F59°F0"0"
200782°F53°F0"0"
200662°F34°F0"0"
200579°F51°F0"0"
200449°F42°F1.3"0"
200365°F46°F0"0"
200263°F40°F0"0"
200164°F42°F0"0"
200078°F57°F0.43"0"
199965°F43°F0"0"
199873°F46°F0"0"
199762°F34°F0"0"
199683°F51°F0"0"
199571°F41°F0"0"
199467°F60°F0"0"
199374°F47°F0"0"
199286°F68°F0"0"
199160°F32°F0"0"
199070°F49°F0"0"
198986°F58°F0"0"
198877°F58°F0"0"
198777°F55°F0"0"
198664°F36°F0"0"
198572°F40°F0"0"
198264°F45°F0"0"
198073°F40°F0"0"
197963°F49°F0.36"0"
197856°F34°F0"0"
197773°F45°F0"0"
197663°F43°F0"0"
197587°F58°F0"0"
197463°F45°F0.36"0"
197380°F51°F0"0"
197264°F38°F0"0"
197179°F41°F0.05"0"

October 15 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

See historical weather for other dates

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