Operating Hours & Seasons
The George Washington Memorial Parkway is open year round. While the road itself is open to vehicle traffic 24 hours a day, most other park sites are open from 6 am to 10 pm.
Parkway headquarters is open Monday through Friday from 8:15 am to 4:15 pm. It is closed on Christmas Day and New Years Day. For hours at other destinations along the parkway please visit the individual webpages for those sites.
Summers on the parkway are generally hot and humid, with daytime highs frequently above 90 degrees Fahrenheit and scattered afternoon thunderstorms. Please carry water while participating in physical activity and be prepared to take shelter from lightning.
Winters on the parkway are generally cold, with nighttime lows frequently near freezing and occasional snowfall. Please be alert for snowplows and icy spots on roadways.
Weather during spring and fall is generally moderate, but can change quickly, especially near the Potomac River. Layers of clothing are recommended.
Did You Know?
Great Falls Park is the northernmost site of the George Washington Memorial Parkway. One of the nation's first canals can be seen here. More...