
National Park · MO
Gateway Arch is quietest in January and February and busiest in July.
Gateway Arch National Park commemorates President Jefferson’s vision of a continental nation, the individuals and cultural groups who helped shape its history, St. Louis’ role in westward expansion, and Dred and Harriet Scott, who sued for their freedom in the Old Courthouse.
2.4M recreation visits a year on average (2023–2025)
Data: NPS visitation 2023–2025 · crowd scores computed Jul 2026. How this is calculated →
Computed from federal data · Methodology by Sharon Ben-Moshe
This week
| Day | Conditions | High | Low | Precip chance |
|---|---|---|---|---|
| Thu 27 | Mostly clear | 87°F | 67°F | 0% |
| Fri 28 | Mostly clear | 87°F | 64°F | 0% |
| Sat 29 | Overcast | 92°F | 66°F | 1% |
| Sun 30 | Overcast | 101°F | 74°F | 1% |
| Mon 31 | Overcast | 103°F | 79°F | 1% |
| Tue 1 | Partly cloudy | 104°F | 79°F | 5% |
| Wed 2 | Overcast | 107°F | 84°F | 8% |
Forecast data by Open-Meteo
Source: Open-Meteo
Weather
| Month | Avg high | Avg low | Precip |
|---|---|---|---|
| January | 41°F | 22°F | 2.7" |
| February | 46°F | 26°F | 2.3" |
| March | 56°F | 35°F | 3.5" |
| April | 68°F | 45°F | 4.6" |
| May | 76°F | 56°F | 4.8" |
| June | 85°F | 65°F | 4.3" |
| July | 89°F | 69°F | 5.0" |
| August | 87°F | 67°F | 3.1" |
| September | 80°F | 59°F | 3.4" |
| October | 70°F | 46°F | 3.0" |
| November | 56°F | 35°F | 3.3" |
| December | 45°F | 27°F | 2.8" |
Source: NOAA 1991–2020 climate normals, CAHOKIA, IL US
Know before you go
Source: NPS Data API
Conditions
No current alerts or closures reported for this park.
Source: NPS Data API
FAQ
Gateway Arch is least crowded in January, February, and October. July is the busiest month, so visiting outside it means thinner crowds and easier parking.
Entrance to Gateway Arch costs $19 (Prices vary by date of visit. Begin your tour with an interactive pre-boarding experience featuring 60s-inspired animation and Gateway Arch trivia. Then, be transported 630 feet to the top of Arch for exhilarating views. Please allow 45 - 60 minutes for your Tram Ride to the Top experience. Adult (16 and up): Starting at $15 Child (3-15): Starting at $11 Infant (2 and under): FREE Park Pass Holder: Starting at $12 Tickets available at www.gatewayarch.com).
Gateway Arch is busiest in July, when crowds rate 10/10 (peak). Expect full parking lots and longer waits; arrive early or choose a quieter month.