Baltimore-Washington Parkway
Trailie
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Tell Trailie your dates, pace, and interests — get a day-by-day Baltimore-Washington Parkway plan with hikes, drives, and must-see stops.
Baltimore-Washington Parkway at a glance
- Best time
- March–May, October–November
- Trip length
- Multi-day (visit in segments)
- Don't miss
- Main Baltimore-Washington Parkway highlights — see Things to Do for current listings
- Nearby city
- Greenbelt, MD
Explore this park
About Baltimore-Washington Parkway
This 29-mile highway connects Baltimore, MD and Washington, D.C. The parkway has carried visitors to and from the capital city since 1954.
No current NPS alerts
The National Park Service has no active alerts listed for Baltimore-Washington Parkway. Conditions change quickly — check again before you go.
Source: National Park Service (as of Oct 27, 2026). Official Baltimore-Washington Parkway page on nps.gov
Weather Information
The Washington, D.C. area has a four-season Mid-Atlantic climate. Summertime is warm and humid, while winter can be cold and snowy.
- Spring
During these months of transition, the weather can alternate from warm, humid air coming from the south to cold, dry air coming from the…
- Summer
The warmest months are June, July, and August, with average highs in the 80s (~31 ?) combined with high humidity.
Be prepared for changing conditions. Temperatures often climb into the 90s (~34?).
Operating Hours
The Baltimore-Washington Parkway is generally open year round, 24 hours a day. Check current conditions for information about closures due to road work and inclement weather.
- MondayAll Day
- TuesdayAll Day
- WednesdayAll Day
- ThursdayAll Day
- FridayAll Day
- SaturdayAll Day
- SundayAll Day
Common questions
Planning Baltimore-Washington Parkway
The summary above covers timing and highlights. These go deeper on reservations, crowds, and logistics.
Reservation rules vary by season and activity for Baltimore-Washington Parkway. See Overview on this page for fees, timed entry, and campground details before you travel.
