World War I Memorial
DC

World War I Memorial

Hours

Open 24 hours

Entrance Fee

Free

Trailie

Trailie

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World War I Memorial at a glance

Best time
March–May, October–November
Trip length
Half day–2 days
Don't miss
Main World War I Memorial highlights — see Things to Do for current listings
Nearby city
Washington, DC

Explore this park

About World War I Memorial

A grateful nation honors the service, valor, courage and sacrifice of the 4.7 million American sons and daughters who served in the Great War.

No current NPS alerts

The National Park Service has no active alerts listed for World War I Memorial. Conditions change quickly — check again before you go.

Source: National Park Service (as of Oct 27, 2026). Official World War I Memorial page on nps.gov

Weather Information

Washington DC gets to see all four seasons. Humidity will make the temps feel hotter in summer and colder in winter.

  • Spring

    (March - May) Temp: Average high is 65.5 degrees with a low of 46.5 degrees

  • Summer

    (June - August) Temp: Average high is 86 degrees with a low of 68.5 degrees

  • Fall

    (September - November) Temp: Average high is 68 degrees with a low of 51.5 degrees

  • Winter

    (December - February) Temp: Average high is 45 degrees with a low of 30 degrees (Source: www.usclimatedata.com)

Operating Hours

Memorial Open

The WWI Memorial is open 24 hours a day.

  • MondayAll Day
  • TuesdayAll Day
  • WednesdayAll Day
  • ThursdayAll Day
  • FridayAll Day
  • SaturdayAll Day
  • SundayAll Day

Common questions

Planning World War I Memorial

The summary above covers timing and highlights. These go deeper on reservations, crowds, and logistics.

Reservation rules vary by season and activity for World War I Memorial. See Overview on this page for fees, timed entry, and campground details before you travel.