National Cryptologic Museum Museum

Museum of cryptology and NSA history exhibits

Near Fort Meade, Maryland, the National Cryptologic Museum displays cipher machines, codebreaking artifacts from World War II and the Cold War, and exhibits on the history of cryptology.

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National Cryptologic Museum at a Glance#

Address: National Cryptologic Museum, 801 Radford Blvd, Fort Meade, MD 20755, USA

Website: https://www.nsa.gov/about/cryptologic-heritage/museums/ncm/

Hours: Tue-Sat 9:00am-4:00pm; closed Sundays and Mondays (check for holiday closures)

Admission: Free admission; some special events may have fees

About National Cryptologic Museum#

A U.S. museum documenting the history of cryptology and signals intelligence, located adjacent to the U.S. cryptologic community in Maryland. The museum preserves equipment, documents and artefacts related to codebreaking and secure communications.

Established by the U.S. cryptologic institution in the late 20th century to collect and present the professional and technical history of codemaking and codebreaking, the museum consolidated artefacts from 20th-century conflicts and Cold War operations. It has served both public education and historical preservation roles since its founding.

Situated near Fort Meade in Anne Arundel County within the Baltimore-Washington metropolitan area, the museum is physically close to U.S. cryptologic facilities and reachable from the regional highway network.

  • Admission and access: Admission is free and the museum is publicly accessible while remaining near the secure facilities of the U.S. cryptologic establishment.
  • Notable holdings: Collections include historic cipher machines such as Enigma devices, SIGINT equipment and exhibits on the technical history of codebreaking.

How to Get to National Cryptologic Museum#

The museum is adjacent to Fort Meade; public access may require ID screening. From Baltimore or Washington, D.C., drive via I‑95 and MD‑32 or use regional bus services that stop near Fort Meade. Confirm visitor access rules before travelling.

Tips for Visiting National Cryptologic Museum#

  • Weekdays are quieter - weekends can be busy with school groups.
  • Allow time to explore the exhibits on modern cryptologic history and interactive displays.
  • The museum can be combined with a visit to nearby Fort Meade facilities - check access rules.

Best Time to Visit National Cryptologic Museum#

Open year‑round; weekdays tend to be less crowded.

Spring
March-May · 5-25°C (41-77°F)
Good weather and comfortable museum visits.
Autumn
September-November · 5-22°C (41-72°F)
Fewer school field trips and calmer galleries.
Winter
December-February · -5-10°C (23-50°F)
Indoor attraction with reliable access; check for holiday hours.

Weather & Climate near National Cryptologic Museum#

Climate

National Cryptologic Museum's climate is classified as Humid Subtropical - Humid Subtropical climate with hot summers (peaking in July) and cold winters (coldest in January). Temperatures range from -4°C to 31°C. Abundant rainfall (1134 mm/year), wettest in May, distributed fairly evenly throughout the year.

Air Quality: AQI 32 Good
Temperature & Rainfall
Temperature Range
31°
Warmest Month
-4°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January - -4° - 5° -4° 85 mm - - 3.6 m/s - -
February - -3° - 7° -2° 74 mm - - 3.7 m/s - -
March - 1° - 12° 4° 101 mm - - 4.1 m/s - -
April - 6° - 19° 12° 88 mm - - 3.9 m/s - -
May - 11° - 24° 18° 115 mm - - 3.2 m/s - -
June - 16° - 28° 22° 95 mm - - 3.0 m/s - -
July - 19° - 31° 25° 106 mm - - 2.7 m/s - -
August - 18° - 30° 24° 100 mm - - 2.5 m/s - -
September - 15° - 26° 20° 102 mm - - 2.7 m/s - -
October - 8° - 20° 14° 87 mm - - 2.9 m/s - -
November - 3° - 14° 6° 92 mm - - 3.3 m/s - -
December - -2° - 8° 0° 89 mm - - 3.4 m/s - -

Nearby Attractions to National Cryptologic Museum#