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King County International Airport - Boeing Field (KBFI) Aviation Weather: METAR, TAF & ATIS

As of 12:53 AM PDT, Oct 28, KBFI is currently MVFR with winds from 170° at 14 knots gusting 21, visibility 5 statute miles, and a 5,000 ft ceiling. The FAA lists no ground stop or delay program for KBFI right now.

Live aviation weather for King County International Airport - Boeing Field in Seattle, WA, including METAR, TAF, ATIS, flight category, wind, visibility, ceiling, altimeter and runway crosswinds.

King County International Airport - Boeing Field (KBFI) is a regional airport serving Seattle, WA at a field elevation of 22 ft. KBFI reports its own METAR and publishes a TAF, decoded live on this page as flight category, wind, visibility, ceiling and altimeter. It has 2 physical runways (14L/32R, 14R/32L), the longest 10,007 ft. The official FAA airport diagram is at the bottom of the page.

Ask ATIS AIAsk anything about KBFI's weather, runways or delays, or search another airport.
MVFR
Observed 0753Z (12:53 AM PDT)live · refreshes every 60s
Wind
170° 14 kt
gusting 21 kt
Visibility
5 sm
Ceiling
5,000 ft
Altimeter
29.87"
Temp / Dew
48°F / 9°C
feels like 42°F

Wind from the south (170°) at 14 kt, gusting 21 kt, visibility 5 statute miles, broken clouds at 5,000 ft, overcast at 7,000 ft, temperature 9°C (48°F), altimeter 29.87 inHg. Conditions are Marginal VFR (MVFR), ceiling 5,000 ft.

Raw METAR
METAR KBFI 280753Z 17014G21KT 5SM -RA BR BKN050 OVC070 09/07 A2987 RMK AO2 SLP113 P0006 T00890072 401440089

What changed at KBFI?

Since the 0653Z (11:53 PM PDT) report, compared automatically against the latest METAR.

  • Flight category dropped from VFR to MVFR.
  • Visibility dropped from 10 SM to 5 SM.
  • Temperature–dewpoint spread narrowed to 2°C. Watch for fog or low cloud.
  • Mist began (BR).

Current pilot readout for KBFI

KBFI is currently MVFR with winds from 170° at 14 knots gusting 21, visibility 5 statute miles, and a 5,000 ft ceiling. the wind favors southeast-facing runway ends (14L, 14R). Density altitude is approximately -650 ft (field elevation 22 ft). Review the latest TAF below for forecast changes before departure.

KBFI by the numbers

What the long-run records say about flying here, computed for this airport alone.

5
FAA ground stops and delay programs, last 12 months

The FAA issued 5 ground stops and 0 ground delay programs for BFI between October 2025 and October 2026, affecting 5 days. Disabled aircraft was the most common reason (1 of 5). A typical ground stop lasted about 33 min.

Full BFI delay history →

75%
of daylight hours VFR, 2006 to 2025

KBFI reported VFR in 75% of daylight observations over 20 years, about 236 flyable days a year. July is the most reliable month and January the least, with IFR or worse 11% of the time. When conditions drop it is usually low ceilings rather than fog (ceilings under 1,000 ft 4% of hours, visibility under 3 miles 2%).

71%
of windy hours favor 14L, 14R

Over 20 years of hourly winds, the southeast-facing ends (14L, 14R) had the best headwind 71% of the time, the northwest-facing ends (32L, 32R) 29%, and winds were calm 36% of hours. Winds most often blow from the south. Crosswind on the best available runway topped 15 kt in under 1% of hours.

7
snow days a year

Snow fell on about 7 days a year and freezing rain or drizzle on 2. From December to February KBFI was IFR or worse 9% of the time, against 2% from June to August.

15
fog days a year

Fog was reported on about 15 days a year, and fog or mist on 132. January and December are the foggiest months, with fog in 16% of hours, against 1% in July.

26%
of hours calm

Winds were calm 26% of the time and averaged 4.5 kt overall. March is the windiest month (mean 5 kt) and September the calmest.

Sources: FAA ATCSCC advisories, hourly observations 2006 to 2025 and the per-runway wind climatology 2006 to 2025. Historical summaries, not a forecast: check the current METAR, TAF and a briefing before flight.

New to aviation weather? How to read a METAR → · What VFR/MVFR/IFR mean → · Decode any METAR/TAF → · Density altitude calculator →

Runway wind check

Estimated head/tailwind and crosswind for each runway end from the current reported wind.

RunwayHead / TailCrosswind
14LFAV13 kt head5 kt right (g7)
14R13 kt head5 kt right (g7)
32L13 kt tail5 kt left (g7)
32R13 kt tail5 kt left (g7)

Open the crosswind calculator to try your own wind and runway numbers →

KBFI runways

2 physical runways · 4 runway ends. Each card opens the runway's intelligence page: equipment and lighting, LAHSO, frequencies, today's configuration, predicted use, history and approaches.

  • Runway 14L/32R
    3,709 × 100 ft · ASP
    Status not monitored
    Current use
    no stated-runway source at KBFI
    Wind
    14L
    13 kt headwind · 5 kt crosswind from right
    32R
    13 kt tailwind · 5 kt crosswind from left
    no active equipment NOTAM receivedView Runway Intelligence →
  • Runway 14R/32L
    10,007 × 200 ft · ASP
    Restricted (NOTAM)
    Current use
    no stated-runway source at KBFI
    Wind
    14R
    13 kt headwind · 5 kt crosswind from right
    32L
    13 kt tailwind · 5 kt crosswind from left
    1 active equipment NOTAMView Runway Intelligence →

“Current use” is what the facilitystates; wind components are arithmetic on the current METAR against TRUE headings; status reflects NOTAMs received through SWIM, the tower's TFDM record and the D-ATIS — a runway reads “Open” only with a complete NOTAM picture.

24-hour trend

Wind, ceiling and flight category over the last 24 hours.

Wind (kt)Gusts (kt)Bottom strip, flight category:VFRMVFRIFRLIFRNo report
0142808Z19Z07Z

Over the last 23 h: wind 3→14 kt, ceiling 1,900 ft → 5,000 ft.

KBFI weather radar

Live NEXRAD + lightning, with a 4-hour future-radar forecast. Drag to pan, tap ⚡ to toggle lightning.

Loading…
Loading radar…

Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © Stadia Maps © OpenMapTiles © OpenStreetMap

NOAA NEXRAD composite and lightning, updated about every five minutes; amber frames are HRRR model guidance, not observed radar. Not for navigation.

Pilot reports (PIREPs) within 100 NM of KBFI

Reported by pilots in flight over the past 6 hours, via aviationweather.gov.

PIREP0713Z (12:13 AM PDT) · 25 NM NW of KBFI · during climb · B738
light chop turbulence
Show raw report
SEA UA /OV SEA285027/TM 0713/FL180/TP B738/SK TOP180/TB LGT CHOP/IC NEG/RM DURC-ZSE
SEA UAHeader: reporting station and UA: a routine pilot report.
OV SEA285027Location: fix or navaid, optionally with a radial and distance in NM.
TM 0713Reported at 07:13 UTC.
FL180Altitude: 18,000 ft MSL.
TP B738Aircraft type reporting.
SK TOP180Sky condition: cloud bases and tops in hundreds of feet MSL.
TB LGT CHOPTurbulence: light chop.
IC NEGIcing: none reported.
RM DURC-ZSERemarks.
PIREP0705Z (12:05 AM PDT) · 55 NM NE of KBFI · 23,000 ft MSL · GL7T
Show raw report
PAE UA /OV PAE025035/TM 0705/FL230/TP GL7T/SK TOP230/RM ZSE
PAE UAHeader: reporting station and UA: a routine pilot report.
OV PAE025035Location: fix or navaid, optionally with a radial and distance in NM.
TM 0705Reported at 07:05 UTC.
FL230Altitude: 23,000 ft MSL.
TP GL7TAircraft type reporting.
SK TOP230Sky condition: cloud bases and tops in hundreds of feet MSL.
RM ZSERemarks.
PIREP0632Z (11:32 PM PDT) · 35 NM E of KBFI · during climb · A21N
light rime 7,000–18,000 ft icing
Show raw report
SEA UA /OV SEA070035/TM 0632/FL200/TP A21N/TA M03/TB NEG/IC LGT RIME 070-180/RM DURC-ZSE
SEA UAHeader: reporting station and UA: a routine pilot report.
OV SEA070035Location: fix or navaid, optionally with a radial and distance in NM.
TM 0632Reported at 06:32 UTC.
FL200Altitude: 20,000 ft MSL.
TP A21NAircraft type reporting.
TA M03Outside air temperature, °C.
TB NEGTurbulence: none reported.
IC LGT RIME 070-180Icing: light rime 7,000–18,000 ft.
RM DURC-ZSERemarks.
PIREP0625Z (11:25 PM PDT) · 80 NM S of KBFI · 14,000 ft MSL · E75L
light to moderate chop 19,000–14,000 ft turbulence
Show raw report
PDX UA /OV BTG005030/TM 0625/FL140/TP E75L/TB LGT-MOD CHOP 190-140/RM ZSE
PDX UAHeader: reporting station and UA: a routine pilot report.
OV BTG005030Location: fix or navaid, optionally with a radial and distance in NM.
TM 0625Reported at 06:25 UTC.
FL140Altitude: 14,000 ft MSL.
TP E75LAircraft type reporting.
TB LGT-MOD CHOP 190-140Turbulence: light to moderate chop 19,000–14,000 ft.
RM ZSERemarks.
PIREP0619Z (11:19 PM PDT) · 13 NM SW of KBFI · 9,000 ft MSL · E75L
lt rime turbulence
Show raw report
SEA UA /OV SEA210008/TM 0619/FL90/TP E75L/SK BASES 50 TOPS 100/TB LT RIME
SEA UAHeader: reporting station and UA: a routine pilot report.
OV SEA210008Location: fix or navaid, optionally with a radial and distance in NM.
TM 0619Reported at 06:19 UTC.
FL90Altitude: hundreds of feet MSL. UNKN = unknown; DURC/DURD = during climb/descent.
TP E75LAircraft type reporting.
SK BASES 50 TOPS 100Sky condition: cloud bases and tops in hundreds of feet MSL.
TB LT RIMETurbulence: lt rime.
PIREP0522Z (10:22 PM PDT) · 16 NM SW of KBFI · during descent · B738
moderate rime 17,000–8,000 ft icing
Show raw report
SEA UA /OV SEA198011/TM 0522/FL110/TP B738/TA M9/IC MOD RIME 170-080/RM DURD HAWKZ
SEA UAHeader: reporting station and UA: a routine pilot report.
OV SEA198011Location: fix or navaid, optionally with a radial and distance in NM.
TM 0522Reported at 05:22 UTC.
FL110Altitude: 11,000 ft MSL.
TP B738Aircraft type reporting.
TA M9Outside air temperature, °C.
IC MOD RIME 170-080Icing: moderate rime 17,000–8,000 ft.
RM DURD HAWKZRemarks.
PIREP0520Z (10:20 PM PDT) · 11 NM SE of KBFI · during descent · B38M
light rime 16,000–9,000 ft icing
Show raw report
SEA UA /OV SEA110007/TM 0520/FL110/TP B38M/TA M1/IC LGT RIME 160-090/RM DURD CHINS
SEA UAHeader: reporting station and UA: a routine pilot report.
OV SEA110007Location: fix or navaid, optionally with a radial and distance in NM.
TM 0520Reported at 05:20 UTC.
FL110Altitude: 11,000 ft MSL.
TP B38MAircraft type reporting.
TA M1Outside air temperature, °C.
IC LGT RIME 160-090Icing: light rime 16,000–9,000 ft.
RM DURD CHINSRemarks.
PIREP0505Z (10:05 PM PDT) · 11 NM S of KBFI · 3,200 ft MSL · B738
Show raw report
SEA UA /OV SEA161005/TM 0505/FL032/TP B738/SK BKN 032 CLR 060/RM BASES 032 TOPS 060
SEA UAHeader: reporting station and UA: a routine pilot report.
OV SEA161005Location: fix or navaid, optionally with a radial and distance in NM.
TM 0505Reported at 05:05 UTC.
FL032Altitude: 3,200 ft MSL.
TP B738Aircraft type reporting.
SK BKN 032 CLR 060Sky condition: cloud bases and tops in hundreds of feet MSL.
RM BASES 032 TOPS 060Remarks.

⚠️ PIREPs are unverified pilot reports. Not for operational use: conditions change between reports.

Recent aviation weather trends at KBFI

From ATIS Alerts' hourly weather history.

Over the past 24 hours, KBFI reported mostly marginal VFR across 29 observations, with 8 flight-category changes. The strongest gust reached 24 kt, the lowest ceiling was 900 ft. Wind most often came from the S.

Last 24 hours
VFR 28%MVFR 62%IFR 10%
Wind avg/max: 6/14 kt
Max gust: 24 kt
Lowest ceiling: 900 ft
Lowest vis: -
Prevailing wind: S
Category changes: 8

Most recent change: VFR → MVFR

Last 7 days
VFR 81%MVFR 16%IFR 2%LIFR 2%
Wind avg/max: 3/14 kt
Max gust: 23 kt
Lowest ceiling: 300 ft
Lowest vis: 5 sm
Prevailing wind: S
Category changes: 22

Most recent change: VFR → MVFR

Wind-favored runway - past 30 days

Share of hours each runway had the most headwind. From wind reports, not ATC assignments.

14L/14R
72%
32L/32R
28%

TAF | Terminal Aerodrome Forecast

Issued 0520Z (10:20 PM PDT)

TAF KBFI 280520Z 2806/2906 17010G18KT P6SM -RA SCT025 OVC035 FM281200 16008G16KT P6SM VCSH OVC030 FM282100 18008KT P6SM VCSH OVC035 FM290500 18005KT P6SM VCSH OVC045

New to TAFs? How to read one →

Get KBFI weather alerts in Telegram

Stop refreshing aviation weather manually. Track KBFI in ATIS Alerts and get notified when a new METAR changes the picture: a category drop, or wind and ceiling moving toward your minimums.

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Live KBFI Weather

Live crosswind meter

Measured by KBFI's own weather station.

N14R32L14 kt
Headwind
13 kt
Crosswind (from the right)
5 kt
Headwind in gusts
20 kt
Crosswind in gusts
7 kt

Wind is 20° off runway 14R, the end with the most headwind right now.

Asphalt · 10,007 ft. Headings from FAA runway data. Not for navigation.

Field aerial

North up

Aerial photo of King County International Airport - Boeing Field (KBFI) with runway 14L/32R, 14R/32L marked
N ↑

Runway 14L/32R, 14R/32L drawn from FAA threshold coordinates.

Imagery: USGS The National Map (public domain). Something off? ✏️ Suggest an edit

Airport info

From the FAA airport record (cycle 2026-10-01) and OurAirports.

Services

Fuel
100LL · Jet A
Attended
24 hours
Repairs
Airframe & engine, major
Oxygen
Bottled, high & low pressure · Bulk, high & low pressure
Transient parking
Tie-downs · Hangars
Landing fee
Yes
Other services
Air freight · Air ambulance · Avionics · Cargo handling · Charter · Flight instruction · Aircraft rental · Aircraft sales · Annual surveying
Control tower
Yes
Wind indicator
Lighted

Airport

Type
Regional airport
ICAO
KBFI
IATA
BFI
FAA LID
BFI
City
Seattle
State
Washington
Country
United States
Elevation
22 ft
Coordinates
47.5270, -122.2999
Runways
2 physical runways · 4 runway ends
Longest runway
10,007 ft
Weather reporting
Reports METAR
TAF
Published
ATIS
127.75 MHz
Time zone
America/Los_Angeles
Next sunset
16h 9m

Is there a ground stop at BFI today? Delay status and history →

Run a flight school, FBO, or club here? Embed KBFI's live status on your website, free →

Nearby airports

Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.

RC flying fields nearby

AMA model-aircraft club fields around this airport: live wind, crosswind & flyability on each page.

All RC flying fields →

See all Washington airports →

Historical Flying Weather at KBFI

2006–2025 · ATIS Alerts Flying Weather Index

Based on historical observations from 2006–2025, KBFI reported VFR conditions during about 74.6% of valid daylight observations, with an estimated 236 VFR flying days a year. July had the most VFR weather; January had the most instrument conditions. Surface winds averaged 4.5 kt, calm 25.5% of the time.

VFR Score
42
Wind Score
83
Reliability Score
45
National VFR rank
#997 of 1,400
Regional rank
#16
State rank
#20
Full historical breakdown
Daylight VFR
74.6%
MVFR
20.3%
IFR
3.3%
LIFR
1.4%
Est. VFR days/yr
236
Most VFR month
July
Fewest VFR month
January
Median ceiling
4,000 ft
Median visibility
10 sm
Calm wind
25.5%
Median wind
4 kt
Gusty hours
8.5%
Crosswind >15 kt
0.1%
Fog/mist days/yr
132
Thunderstorm days/yr
4
Summer density alt
784 ft

Flight category by month

0%25%50%75%100%JanFebMarAprMayJunJulAugSepOctNovDec
VFRMVFRIFRLIFR
KBFI monthly flight-category distribution, 2006–2025
MonthVFR %MVFR %IFR %LIFR %
Jan62.126.96.64.5
Feb67.626.54.21.7
Mar76.021.81.70.5
Apr80.118.51.30.1
May80.517.81.60.1
Jun81.117.31.60.0
Jul85.113.21.70.1
Aug82.715.31.90.1
Sep79.615.94.10.4
Oct73.119.54.72.8
Nov69.024.24.22.6
Dec62.527.66.53.4

Average wind by month

036JanFebMarAprMayJunJulAugSepOctNovDec
KBFI average wind by month, 2006–2025
MonthMean wind (kt)
Jan4.5 kt
Feb4.8 kt
Mar5.2 kt
Apr5.1 kt
May4.5 kt
Jun4.5 kt
Jul4.0 kt
Aug3.9 kt
Sep3.9 kt
Oct4.1 kt
Nov4.7 kt
Dec4.7 kt

Historical summary of past observations: not a forecast or safety rating. Always check the current METAR, TAF, and a weather briefing before flight.

KBFI airport diagram

Official FAA taxiway and runway layout. Tap to zoom.

Official FAA airport diagram · d-TPP cycle 2611 · Not for navigation. Download the official FAA PDF ↗

Customize your BFI shirt or mug

BFI's real runway layout on the back, elevation and tower frequency on the front. Add your tail number on the sleeve.

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Pilot PIREPs for King County International Airport - Boeing Field (KBFI)

Community-submitted

Community-submitted airport notes from pilots about runway conditions, wildlife, FBOs, fuel, turbulence, ramp access, and local tips.

Read recent community-submitted pilot notes for King County International Airport - Boeing Field, including runway conditions, wildlife activity, FBO/fuel notes, turbulence, ramp access, and local airport tips.

⚠️ Pilot PIREPs on ATIS Alerts are community-submitted airport notes for situational awareness only. They are not official FAA PIREPs, NOTAMs, weather briefings, airport advisories, or flight-planning guidance. Always verify with official FAA/NWS sources, airport management, ATC, and current publications.

No Pilot PIREPs have been submitted for KBFI yet. Recently flew here? Help the next pilot by leaving a quick airport note.

Pilot PIREPs are community pilot notes for situational awareness only, not official FAA PIREPs or advisories. Verify with official sources. Notes are moderated before they appear; helpful marks and reports help us keep them useful.

⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.

No D-ATIS at this airport, showing METAR.

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