Temperature
67 F at 11 AM; 67 F at its warmest, 11 AM, and 60 F at its coolest, 12 AM.
- Now
- 67F
- 11 AM
- Highest
- 67F
- 11 AM
- Lowest
- 60F
- 12 AM
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Coastal Flood Advisory, in full
Alert. A Coastal Flood Advisory is in force for Baltimore/Washington International Thurgood Marshall Airport until 11 PM today. Read the alert in full, and see what it means in the Field Book. Rain is likely this evening, from about 7 PM (77%).
Now. Baltimore/Washington International Thurgood Marshall Airport is 66° and overcast at 12 PM. The dew point is 64°, so the air feels humid and sticky. Gentle breeze from the south-southwest at 8 mph.
Today and tonight. It warms to about 82° by 3 PM. Tonight falls to about 49° by 8 AM, under cloud.
The week. The warmest day ahead is Tuesday, near 64°, and the coolest tomorrow, near 55°. Rain is possible tomorrow (47%) and Monday (32%).
The sky tonight. The sun sets at 6:27 PM. The Moon is a waxing crescent, 33% lit, and sets at 10:23 PM. The next full Moon is Monday, Oct 26. After dark, look for Saturn, bright in the east-southeast. A planet shines with a steady light where the stars around it twinkle. The Orionids meteor shower is active, peaking around Oct 21: at its peak, up to about 20 meteors an hour can be seen from a dark site. Cloud is forecast to cover most of the night, so the sky will be hard to see. The day is 11 hours 11 minutes long, 2 minutes shorter than yesterday.
As of 12:00 PM in Baltimore/Washington International Thurgood Marshall Airport, Maryland.
Air quality
Index 34, good, led by fine particles. Read at 12 PM from its reporting area, Metro Baltimore (MD), 4 miles off.
Good each day through Sun Oct 18, led by fine particles. Yesterday measured 20, good.
Little smoke near the ground through Sun 8 AM: the index from smoke stays at 6 or under.
Precipitation
0.04 in in the last 24 hours, 0.07 in over the last 3 days, to Fri 11 AM. Measured by radar and rain gauges, as water.
Visibility
Mist or haze: visibility falls to 3 miles Sat 4 AM.
F
Now, today, and the week
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 10 / 28 | 10,503 ft | 150 ft | Asphalt | 94° / 274° | 5 mph head, on 28 | 6 mph from the left |
| 15L / 33R | 5,000 ft | 100 ft | Asphalt | 145° / 325° | 2 mph head, on 15L | 8 mph from the right |
| 15R / 33L | 9,501 ft | 150 ft | Asphalt | 144° / 324° | 2 mph head, on 15R | 8 mph from the right |
Measured here
Every hour from Baltimore - Wash Intl (BWI), Baltimore/Washington International Thurgood Marshall Airport's own instrument, measure by measure, on the field's own clock.
67 F at 11 AM; 67 F at its warmest, 11 AM, and 60 F at its coolest, 12 AM.
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
A dew point of 64 F, the air 92% saturated; the humidity ran from 65% at 1 PM Thursday to 100% at 7 AM.
How it is measured: Humidity variables, Field Book FB-WAT-002
9 mph from the southwest at 12 PM; at its strongest 9 mph, 12 PM, and no gust reported.
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
29.83 inHg at 12 PM, falling 0.06 inHg over 3 hours; 0.35 inHg lower than a day before.
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Down to 1 mile at 7 AM; 10 miles or more now.
How it is measured: Fog types, Field Book FB-WAT-020
The lowest cloud base came down to 200 ft at 7 AM; a base was reported in 24 of the hours.
How it is measured: Cloud classification, Field Book FB-SKY-001
0.04 in measured in the gauge, the most, 0.02 in, in the hour to 12 AM.
How it is measured: ASOS, Field Book FB-INS-002
Baltimore - Wash Intl: every reading, the last 7 days, 30 days and the year, and how well it reports
The 6 instruments nearest Baltimore/Washington International Thurgood Marshall Airport, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.9 miles away.
measured now4 instruments
At an airfield/0.9 mi away/138 ft/8 ft below here
temp, wind, gust, visibility, precip, pressure
I-97 at MD-100MD027
Beside a road/1.6 mi away/72 ft/74 ft below here
temp, pavement temp, wind, visibility, precip
Pheasant Run - Patuxent Env RAWSPREM2
A remote fire weather station/11.8 mi away/215 ft/69 ft above here
temp, wind, gust, humidity, pressure
Powder MillS2049
At a soil climate station/14.7 mi away/105 ft/41 ft below here
temp, humidity, soil temp, soil moisture
measured daily2 instruments
Ferndale - BWI SnowBSPM2
At a cooperative observer's station/0.8 mi away/118 ft/28 ft below here
snowfall, snow depth, precip, high, low
Linthicum 0.3 SSEMD-AA-61
In a volunteer observer's own ground/1.8 mi away/174 ft/28 ft above here
precip, snowfall, snow depth
-
Snow on the ground
21 places, each with its own forecast and its own instruments.
The nearest places, each with its own forecast and the instruments nearest it.