Temperature
71 F at 5 PM; 78 F at its warmest, 3 PM, and 45 F at its coolest, 6 AM.
- Now
- 71F
- 5 PM
- Highest
- 78F
- 3 PM
- Lowest
- 45F
- 6 AM
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Airports/Washington/King County International Airport - Boeing Field
King County International Airport - Boeing Field, Washington
Medium airport in King County, Washington71°
73°/53°
Partly cloudy·
Feels like 71°·Light breeze 5 mph S
Coming up. Rain is likely late tonight, from about 4 AM (53%).
Now. King County International Airport - Boeing Field is 71° and partly cloudy at 6 PM. The dew point is 42°, so the air feels dry and comfortable. Light breeze from the south at 5 mph.
Today and tonight. Tonight falls to about 58° by 7 AM, with some cloud. Air quality is moderate (index 54): fine for most people, though people unusually sensitive to air pollution may feel it outdoors.
The week. The warmest day ahead is tomorrow, near 62°, and the coolest Thursday, near 58°. Rain is likely tomorrow (54%). Rain is possible Thursday (36%).
The sky tonight. The sun sets at 6:19 PM. The Moon is a waxing crescent, 34% lit, and sets at 9:55 PM. The next full Moon is Sunday, Oct 25. 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. The day is 10 hours 51 minutes long, 4 minutes shorter than yesterday.
0UV Low
54Air quality
35%Humidity
38%Cloud
Now
6:00 PM
71feels71
now, partly cloudy
Today
Oct 16
7353
partly cloudy day
Sat
Oct 17
6257
54%
13mph
Sun
Oct 18
5946
partly cloudy day
Mon
Oct 19
5945
overcast
Tue
Oct 20
5944
clear day
Wed
Oct 21
6143
mostly clear day
Thu
Oct 22
5845
36%
71°
73°53°
62°57°
59°46°
59°45°
59°44°
61°43°
58°45°
As of 6:00 PM in King County International Airport - Boeing Field, Washington.
Air quality
The air at King County International Airport - Boeing Field
Index 54, moderate, led by fine particles. Read at 5 PM from its reporting area, Seattle-Bellevue-Kent Valley (WA), 3 miles off.
54Moderate
- Fine particles (PM2.5)54Moderate0.9 mi
- Ozone26Good34 ppb2.7 mi
- Coarse particles (PM10)18Good2.7 mi
- Nitrogen dioxide9Good10.5 ppb2.7 mi
- Sulfur dioxide0Good0.6 ppb2.7 mi
- Carbon monoxide-0.2 ppm2.7 mi
The days ahead
Good each day through Wed Oct 21, led by fine particles. Yesterday measured 53, moderate.
GoodModerate
- 53YesterdayOct 15
- 33TodayOct 16
- 33SatOct 17
- 33SunOct 18
- 33MonOct 19
- 33TueOct 20
- 33WedOct 21
Smoke, the next 42 hours
Little smoke near the ground through Sun 11 AM: the index from smoke stays at 33 or under.
Precipitation
What has fallen at King County International Airport - Boeing Field
None in the last 3 days, to Fri 5 PM. Measured by radar and rain gauges, as water.
- Last 24 hours
- 0.00in
- Last 3 days
- 0.00in
Visibility
How far you can see at King County International Airport - Boeing Field, the next 42 hours
Visibility stays 7 miles or more through Sun 11 AM, lowest 8 miles Sat 2 AM.
F
Now, today, and the week
Weather instrument stations by state
Airfield
- Code
- BFI
- ICAO
- KBFI
- IATA
- BFI
- Field elevation
- 21 ft
- Serves
- Seattle
- Kind
- Medium airport
- Scheduled service
- Yes
- Its own instrument
- BFI
- Wind now
- From 170° at 7 mph, read 16 Oct, 17:53
Runways
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 14L / 32R | 3,709 ft | 100 ft | Asphalt | 150° / 330° | 7 mph head, on 14L | 2 mph from the right |
| 14R / 32L | 10,007 ft | 200 ft | Asphalt | 150° / 330° | 7 mph head, on 14R | 2 mph from the right |
Measured here
What the airfield's own instrument measured, the last 24 hours
Every hour from Seattle/Boeing Fld (BFI), King County International Airport - Boeing Field's own instrument, measure by measure, on the field's own clock.
Humidity and dew point
A dew point of 41 F, the air 34% saturated; the humidity ran from 27% at 3 PM to 100% at 3 AM.
- Dew point now
- 41F
- 5 PM
- Humidity now
- 34%
- Humidity, range
- 27 to 100%
How it is measured: Humidity variables, Field Book FB-WAT-002
Wind
5 mph from the south at 5 PM; at its strongest 5 mph, 5 PM, and no gust reported.
- Now
- 5mph
- from the south
- Strongest
- 5mph
- 5 PM
- Highest gust
- -
- none reported
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
Pressure
30.03 inHg at 5 PM, falling 0.04 inHg over 3 hours; 0.22 inHg lower than a day before.
- Now
- 30.03inHg
- 5 PM
- 3 hours
- -0.04inHg
- falling
- 24 hours
- -0.22inHg
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Visibility
Down to 3 miles at 8 AM; 10 miles or more now.
- Now
- 10+mi
- Lowest
- 3mi
- 8 AM
- Hours under a mile
- 0
How it is measured: Fog types, Field Book FB-WAT-020
Cloud base
The lowest cloud base came down to 300 ft at 7 AM; a base was reported in 10 of the hours.
- Lowest base now
- -
- Lowest in 24 hours
- 300ft
- 7 AM
- Hours with a base reported
- 10
How it is measured: Cloud classification, Field Book FB-SKY-001
Precipitation
None measured in the gauge in the last 24 hours.
- Last 24 hours
- 0.00in
- Wettest hour
- -
- Hours with some
- 0
How it is measured: ASOS, Field Book FB-INS-002
Seattle/Boeing Fld: every reading, the last 7 days, 30 days and the year, and how well it reports
What is measuring near here
The 5 instruments nearest King County International Airport - Boeing Field, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.2 miles away.
measured now3 instruments
At an airfield/0.2 mi away/16 ft/5 ft below here
temp, wind, gust, visibility, precip, pressure
S144Th TukwilaT144T
Beside a road/3.9 mi away/144 ft/123 ft above here
temp, pavement temp, wind, visibility, precip
Spring Brook Ck Nr OrilliaSBKW1
At a river or reservoir gauge/7.4 mi away/23 ft/2 ft above here
temp, wind, gust, humidity, pressure
measured daily2 instruments
Seattle 6.9 SWA-KG-205
In a volunteer observer's own ground/2.1 mi away/415 ft/394 ft above here
precip, snowfall, snow depth
Seattle WaSEW
At a cooperative observer's station/11.3 mi away/24 ft/3 ft above here
snowfall, snow depth, precip, high, low
What the snow tracker reads here
Every instrument in this state
-
Snow on the ground
Elsewhere in Washington
23 places, each with its own forecast and its own instruments.
BellinghamcityBluewoodski areaCrystal Mountainsurveyed ski areaEverettcityLeavenworthcityLoup Loupski areaMount RainierfeatureMt. Bakersurveyed ski areaNorth Cascades National ParkfeatureOlympiacityOlympic MountainsfeaturePuget SoundfeatureSeattlecitySnoqualmie PassfeatureSpokanecityStevens PassfeatureStevens Passsurveyed ski areaTacomacityThe Summit at Snoqualmiesurveyed ski areaWenatcheecityWhite Passski areaWinthroptownYakimacity
Near King County International Airport - Boeing Field
The nearest places, each with its own forecast and the instruments nearest it.
- Boulevard Parkcommunity, 1 mi
- White Centercommunity, 3 mi
- Bryn Mawr-Skywaycommunity, 4 mi
- Buriencity, 4 mi
- Tukwilacity, 4 mi
- Mercer Islandcity, 5 mi
- Seattlecity, 5 mi
- SeaTaccity, 6 mi
- Newcastlecity, 6 mi
- Beaux Arts Villagetown, 6 mi
- Rentoncity, 6 mi
- Normandy Parkcity, 7 mi
Airports near King County International Airport - Boeing Field
- Renton Municipal AirportRNT, 5 mi
- Seattle-Tacoma International AirportSEA, 5 mi
- Kenmore Air Harbor Seaplane BaseW55, 7 mi
- Kenmore Air Harbor LLC Seaplane BaseS60, 16 mi
- Bremerton National AirportPWT, 22 mi
- Tacoma Narrows AirportTIW, 22 mi
- Seattle Paine Field International AirportPAE, 26 mi
- McChord Air Force BaseTCM, 28 mi