Yellowstone · Lamar Valley wolf activity +18%Yosemite · Tioga Pass clear openZion · Angels Landing wait 42mGlacier · Going-to-the-Sun opens Jun 15Acadia · Cadillac sunrise reservation 94% bookedGrand Canyon · Bright Angel trail normalOlympic · Hoh rainforest moisture 93%Joshua Tree · Star visibility tonight Bortle 2Rocky Mountain · Trail Ridge snowpack 142% normGreat Smoky · Clingmans Dome fog −2°C dewYellowstone · Lamar Valley wolf activity +18%Yosemite · Tioga Pass clear openZion · Angels Landing wait 42mGlacier · Going-to-the-Sun opens Jun 15Acadia · Cadillac sunrise reservation 94% bookedGrand Canyon · Bright Angel trail normalOlympic · Hoh rainforest moisture 93%Joshua Tree · Star visibility tonight Bortle 2Rocky Mountain · Trail Ridge snowpack 142% normGreat Smoky · Clingmans Dome fog −2°C dew
Home/Parks/Fort McHenry National Monument and Historic Shrine
National Monument · Fort McHenry National Monument and Historic Shrine

The strongest visit window for Fort McHenry National Monument and Historic Shrine is May through April.

by the dawn's early light, a large red, white and blue banner? Whose broad stripes and bright stars... were so gallantly streaming...over Fort McHenry! The valiant defense of the fort during the Battle of Baltimore on September 13-14, 1814 inspired Francis Scott Key to write the words that became the U.S. national anthem. The fort's history holds many other stories too, from the Civil War to WWII.

Summary at a glance

The signal is clear. By analyzing Fort McHenry National Monument and Historic Shrine's historical weather normals alongside visitation data, we have identified the optimal windows for your trip.

Best Months
May
April, June
Budget Months
April
March, May
Peak Crowd
July
High density
Region
coastal atlantic
Core Experiences
wwiicivil-war

Month-by-month analysis

We've mapped out the seasons based on historical data. Below is the monthly breakdown.

Primary Window

The best time to visit is during May and April and June. This aligns with optimal weather and acceptable crowd levels.

Peak Congestion

July, August, June are typically the busiest. Expect high traffic and book well in advance if you plan to visit during these times.

Budget Season

Consider April or March or May for fewer crowds and lower costs. Note that some facilities may have reduced hours.

Getting there

Use the closest major airport and a regional drive plan for Fort McHenry National Monument and Historic Shrine.

Use the official NPS page for Fort McHenry National Monument and Historic Shrine for the latest access and entrance details.

What the data sounds like

Below is the live sonification for Fort McHenry National Monument and Historic Shrine. The audio synthesizes an ambient drone tuned to current telemetry data.

Fort McHenry National Monument and Historic Shrine — Live sonification
48-hour rolling · 23 channels
Visitor densityWildlife activity0.0h

Powered by Web Audio API and real-time data feeds.

Methodology

This intelligence is derived from Fort McHenry National Monument and Historic Shrine's data profile, structured by the Constitutional CMS architecture.

  • Publish Tier: SHELL
  • Quality Score: 58
  • Methodology: materialized