The clearest risk at Harriet Tubman Underground Railroad National Historical Park isn't a weather event — it's the surrounding community's crime rate. Dorchester County recorded a violent crime rate of 446.8 per 100,000 residents in 2023, which runs well above national averages and warrants real attention for families camping or parking overnight in the area. Weather plays a secondary role, with the county logging 3 flash flood events and 3 thunderstorm wind events in recent records, though no deaths or injuries resulted.
Keep valuables locked in your vehicle or RV and avoid leaving gear visible through windows, since property crime often tracks alongside elevated violent crime rates. If afternoon storms roll in — and the Chesapeake lowlands see them regularly — move away from the park's flat, open marshland immediately, as flash flooding can overtake low-lying paths quickly. Park in well-lit, high-traffic lots overnight rather than isolated pull-offs along the rural access roads.
Top recorded hazards in Dorchester County
County dataFrom NOAA Storm Events (2024). Counts of recorded incidents — not all occurred at this park.
- Thunderstorm Wind 3
- Flash Flood 3
Gear keyed to this park's risks
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About Harriet Tubman Underground Railroad National Historical Park
Harriet Tubman was a deeply spiritual woman who lived her ideals and dedicated her life to freedom. She is the Underground Railroad’s best known conductor and before the Civil War repeatedly risked her life to guide 70 enslaved people north to new lives of freedom. This new national historical park preserves the same landscapes that Tubman used to carry herself and others away from slavery.
Weather
Cambridge, Maryland generally experiences warm, humid summers and mild winters. Average summertime highs are in the 80s, with evening lows in the 60s. Winter temperatures usually range from the 30s to the 50s. Spring and fall are variable, but tend to be in the 50s and 60s. Precipitation is spread throughout the year. For more information, see: http://forecast.weather.gov/MapClick.php?lat=38.37100441991913&lon=-76.13347536809295#.WCNeYWorLIU