Gateway Arch National Park
MOWEATHER INFO
Normal Daily Mean Temperature (in degrees Fahrenheit)* January - 29.3 February - 33.9 March - 45.1 April - 56.7 May - 66.1 June - 75.4 July - 79.8 August - 77.6 September - 70.2 October - 58.4 November - 46.2 December - 33.9 Average Percent of Days with Sunshine* January - 50% February - 52% March - 54% April - 56% May - 59% June - 66% July - 68% August - 65% September - 63% October - 60% November - 46% December - 53% *Source: National Oceanic and Atmospheric Administration
Weather @ Gateway Archlast updated: 1 hrDIRECTIONS INFO
PARK CLOSURE
Closures & Prohibited Items for the July 4th Holiday Weekend
On July 3 and July 4, 2026, Gateway Arch National Park will prohibit certain items and implement first amendment area closures in relation to the Celebrate Saint Louis Event taking place on and around the Gateway Arch Grounds during those days. Click on the link below for a full list of prohibited items and closures.
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