Located in MD.
This 29-mile highway connects Baltimore, MD and Washington, D.C. The parkway has carried visitors to and from the capital city since 1954.
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Explore this park
This 29-mile highway connects Baltimore, MD and Washington, D.C. The parkway has carried visitors to and from the capital city since 1954.
The Washington, D.C. area has a four-season Mid-Atlantic climate. Summertime is warm and humid, while winter can be cold and snowy.
During these months of transition, the weather can alternate from warm, humid air coming from the south to cold, dry air coming from the…
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?).
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.
Common questions
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. Check the Permits tab on this page and Recreation.gov before you travel — campground, tour, or backcountry permits may apply even without park-wide timed entry.
See Permits tab →