The dominant safety concern at Thomas Stone National Historic Site is the surrounding Charles County area's violent crime rate, recorded at 446.8 incidents per 100,000 residents in 2023 — well above national averages. Weather plays a secondary role, with 9 thunderstorm wind events logged in the county, along with isolated flood and hail incidents that can develop quickly during summer afternoons.
When visiting, park in well-lit, visible areas and avoid leaving valuables in your vehicle, as property-related offenses tend to follow elevated violent crime patterns. For the thunderstorm risk, check the NOAA hourly forecast before arrival and keep a weather radio or alert app active on your phone; if winds pick up suddenly, move away from mature trees and seek shelter inside a hard-sided vehicle rather than a tent or open pavilion. A rain layer and sturdy footwear are practical given the flood potential on low-lying paths.
Top recorded hazards in Charles County
County dataFrom NOAA Storm Events (2024). Counts of recorded incidents — not all occurred at this park.
- Thunderstorm Wind 9
- Flood 1
- Hail 1
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About Thomas Stone National Historic Site
In 1776, Thomas Stone and 55 others signed the Declaration of Independence. In doing so, Stone risked his home, his family's security, and even his life to support the Declaration of Independence's promise of freedom.
Weather
Thomas Stone National Historic Site experiences all four seasons. Temperatures can be very warm and humid in the summer months and wet and rainy in the winter months.