Baltimore/Washington International Thurgood Marshall Airport

Airport Airport

IATA Code
BWI
ICAO Code
KBWI
Airport Type
Large Airport
Class
International

Baltimore/Washington International Thurgood Marshall Airport (BWI) serves the Baltimore-Washington metropolitan area and is a focus city for several U.S. carriers. It handles many domestic flights and a number of international connections.

The airport layout includes a central terminal complex with multiple concourses; rail and bus links serve the airport’s on‑site rail station which connects to regional rail services.

Baltimore/Washington International Thurgood Marshall Airport
Elevation: 44 m
39.1754, -76.6683

Terminal Guide for Baltimore/Washington International Thurgood Marshall Airport #

BWI has a central passenger terminal connected to multiple concourses that handle domestic and international flights. The terminal complex is arranged so passengers use a central landside area for check‑in and security before proceeding to the appropriate concourse for boarding.

Transfers between concourses are handled via internal walkways and shuttle services where necessary; follow airport signage for concourse directions.

Getting to and From Baltimore/Washington International Thurgood Marshall Airport #

BWI is well connected by rail, bus, taxi and car; travel to downtown Baltimore is around 20-30 minutes, and to downtown Washington, D.C. about 35-60 minutes depending on traffic and rail options.

  • Rail/metro: BWI Rail Station (on‑site via shuttle) connects to Amtrak and MARC commuter trains for direct rail links to Baltimore and Washington.
  • Buses: Regional bus services connect the airport with surrounding areas.
  • Taxis/Ride‑share: Taxis and ride‑share operate from designated pickup points; travel times vary with traffic.
  • Driving: The airport is located off I‑95/I‑97 with parking and car rental facilities on site.

Facilities, Shopping, and Dining at Baltimore/Washington International Thurgood Marshall Airport #

The airport offers a full range of passenger amenities including shops, restaurants, airline lounges and family services.

  • Wi‑Fi: Free public Wi‑Fi is available throughout the terminal.
  • Lounges: Airline lounges and pay‑per‑use lounges are available in various concourses.
  • Charging & services: Charging stations, ATMs, baggage services and accessibility assistance are provided.
  • Transportation services: On‑site rail access and multiple ground‑transport options make connections straightforward.

Hotels and Layovers at Baltimore/Washington International Thurgood Marshall Airport #

There are several airport hotels within a short shuttle ride of the terminals and a larger selection in surrounding areas; many offer free airport shuttles for guests.

For overnight stays choose a hotel that advertises a dedicated airport shuttle to the arrivals area.

Tips for Baltimore/Washington International Thurgood Marshall Airport #

  • Use the BWI Marshall MARC/Amtrak station if you need a rail connection to Baltimore or Washington - trains link to Penn Station Baltimore and to Washington Union Station via connecting services.
  • Taxis and ride‑share pick up at designated ranks outside the terminals; budget extra time for peak traffic into Washington, D.C.
  • If parking, choose the long‑term or hourly lots listed on the airport website for current rates and shuttle details.

Weather & Climate near Baltimore/Washington International Thurgood Marshall Airport #

Climate

Baltimore/Washington International Thurgood Marshall Airport'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 (1128 mm/year), wettest in May, distributed fairly evenly throughout the year.

Air Quality: AQI 33 Good
Best Time to Visit
JuneJulyAugust
Temperature & Rainfall
Temperature Range
40°
Warmest Month
-19°
Coldest Month
Monthly Conditions

January

January is the coolest month with highs of 5°C and lows of -4°C. Regular rainfall (86 mm) and partly cloudy skies.

46 Poor

Comfort

Feels Like Cold
C
Temperature
-4°
82%
Humidity
Very Humid

Weather

86 mm
Rainfall
3.8 m/s
Wind
Light Breeze
0.2
UV Index
Low
9.6h daylight

February

February is cold with highs of 7°C and lows of -3°C. Moderate rainfall (75 mm) and partly cloudy skies.

46 Poor

Comfort

Feels Like Cold
C
Temperature
-3°
80%
Humidity
Very Humid

Weather

75 mm
Rainfall
4.0 m/s
Wind
Light Breeze
0.5
UV Index
Low
10.6h daylight

March

March is cold with highs of 12°C and lows of 1°C. Significant rainfall (101 mm) and partly cloudy skies.

54 Acceptable

Comfort

Feels Like Cold
C
Temperature
12°
79%
Humidity
Very Humid

Weather

101 mm
Rainfall
4.3 m/s
Wind
Light Breeze
0.8
UV Index
Moderate
11.8h daylight

April

April is cool with highs of 18°C and lows of 6°C. Regular rainfall (86 mm) and partly cloudy skies.

70 Very Good

Comfort

12°
Feels Like Cool
12°C
Temperature
18°
76%
Humidity
Very Humid

Weather

86 mm
Rainfall
4.1 m/s
Wind
Light Breeze
1.2
UV Index
High
13.1h daylight

May

May is cool with highs of 24°C and lows of 12°C. The wettest month with heavy rain (112 mm) and partly cloudy skies.

74 Very Good

Comfort

18°
Feels Like Cool
18°C
Temperature
12° 24°
78%
Humidity
Very Humid

Weather

112 mm
Rainfall
3.5 m/s
Wind
Light Breeze
1.5
UV Index
Very High
14.2h daylight

June

June is mild with highs of 28°C and lows of 17°C. Regular rainfall (94 mm) and partly cloudy skies.

82 Excellent

Comfort

23°
Feels Like Mild
23°C
Temperature
17° 28°
74%
Humidity
Very Humid

Weather

94 mm
Rainfall
3.2 m/s
Wind
Light Breeze
1.8
UV Index
Very High
14.7h daylight

July

July is the warmest month with highs of 31°C and lows of 20°C. Significant rainfall (104 mm) and partly cloudy skies.

79 Very Good

Comfort

25°
Feels Like Warm
25°C
Temperature
20° 31°
69%
Humidity
Humid

Weather

104 mm
Rainfall
2.9 m/s
Wind
Calm
1.9
UV Index
Very High
14.5h daylight

August

August is warm with highs of 30°C and lows of 19°C. Significant rainfall (102 mm) and partly cloudy skies.

79 Very Good

Comfort

24°
Feels Like Warm
24°C
Temperature
19° 30°
70%
Humidity
Humid

Weather

102 mm
Rainfall
2.7 m/s
Wind
Calm
1.6
UV Index
Very High
13.5h daylight

September

September is mild with highs of 26°C and lows of 15°C. Significant rainfall (102 mm) and partly cloudy skies.

78 Very Good

Comfort

21°
Feels Like Mild
21°C
Temperature
15° 26°
72%
Humidity
Very Humid

Weather

102 mm
Rainfall
3.0 m/s
Wind
Light Breeze
1.2
UV Index
High
12.3h daylight

October

October is cool with highs of 20°C and lows of 8°C. Regular rainfall (84 mm) and partly cloudy skies.

70 Very Good

Comfort

14°
Feels Like Cool
14°C
Temperature
20°
76%
Humidity
Very Humid

Weather

84 mm
Rainfall
3.1 m/s
Wind
Light Breeze
0.7
UV Index
Moderate
11.0h daylight

November

November is cold with highs of 14°C and lows of 3°C. Regular rainfall (91 mm) and partly cloudy skies.

60 Good

Comfort

Feels Like Cold
C
Temperature
14°
79%
Humidity
Very Humid

Weather

91 mm
Rainfall
3.5 m/s
Wind
Light Breeze
0.4
UV Index
Low
9.9h daylight

December

December is cold with highs of 8°C and lows of -1°C. Regular rainfall (91 mm) and partly cloudy skies.

46 Poor

Comfort

Feels Like Cold
C
Temperature
-1°
83%
Humidity
Very Humid

Weather

91 mm
Rainfall
3.6 m/s
Wind
Light Breeze
0.2
UV Index
Low
9.3h daylight

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