WxDecoder

WA85 Weather Weyerhaeuser Heliport

Auburn, WashingtonElevation 409 ftHeliport
OFF-FIELD REFERENCE
Nearest report: KSEA · 9 NM N · 48 min old
Ceiling 5,000 ft, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KSEA
WIND
VRB@4
steady
VISIBILITY
10 SM
16.1 km
CEILING
5,000 ft
lowest BKN/OVC
FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

No aviation METAR is published for this airport. The nearest National Weather Service station reports wind from 110° at 5 kt, visibility 10 SM, temperature 13C. Treat this as supplemental, not an aviation observation. Forecast suggests this afternoon chance light rain, high near 55F, low near 43F, 47% chance of precipitation. Key risks: thunderstorms in the forecast.

PILOT WEATHER NOTES
Thunderstorms in the forecastWeather.gov
Wednesday: Showers And Thunderstorms. Watch for developing convection and plan alternates.
DayConditionsTemp FWindGustsPrecipPilot note
This Afternoon Chance Light Rain 55/43 ESE 3 kt – 47%
Monday Chance Light Rain 57/44 NNE 2 kt – 41%
Tuesday Light Rain Likely 57/42 SSW 9 kt – 94%
Wednesday Showers And Thunderstorms 53/39 SSW 9 kt – 94% Thunderstorms in the forecast
Thursday Light Rain 52/36 S 3 kt – 77%
Friday Slight Chance Light Rain 53/35 ENE 3 kt – 24%
Saturday Mostly Sunny 54/36 NE 2 kt – 6%

Source: National Weather Service (office SEW). Forecast issued 2341Z.

Radar

Radar data: NOAA/NWS MRMS composite reflectivity. For situational awareness only, not a substitute for an official weather briefing.

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RUNWAYS & WIND
Crosswind calculator
No runway layout is available for WA85. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail

H1
Dimensions
75 x 75 ft
Surface
ASPH/ CONC
FIELD CONDITIONS

Field elevation

Field elevation
409 ft MSL

Density and pressure altitude need a current temperature and altimeter from the METAR.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
0103Z 6:03 PM
Sunrise
1443Z 7:43 AM
Loggable night
0135Z (6:35 PM local) → 1411Z (7:11 AM local)
end of evening to start of morning civil twilight
Position lights required
0103Z (6:03 PM local) → 1443Z (7:43 AM local)
sunset to sunrise (91.209)
Night passenger currency
0203Z (7:03 PM local) → 1343Z (6:43 AM local)
1 hr after sunset to 1 hr before sunrise (61.57(b))

FAA definitions, shown in Zulu with airport-local time. Verify for your operation.

AIRPORT INFORMATION

Facility & services

Weyerhaeuser Heliport is in Auburn, Washington. Field elevation 409 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
TypeHeliport
CHARTS & AIRSPACE
ICAO / IATAWA85
RegionWashington
CountryUnited States
Coordinates47.2963, -122.2991
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

WA85 traffic patterns

2026-06-12 to 2026-10-17, 21 days observed · data 2026-10-23

Medium confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
1
AVG OPS/DAY
1
Activity trend over 6 days: flat, from 1 to 1 operations per dayOperations trend (6 days)

Busiest day: Tue · Busiest month: Jul

FLEET MIX
Piston single 55%Jet 28%Unknown 8%Helicopter 8%

Mostly small piston aircraft.

TOP AIRCRAFT TYPES
›BCS3 (Jet) · ~2 landings/mo
›PA18 (Piston single) · ~2 landings/mo
›C152 (Piston single) · ~1 landings/mo
›C162 (Piston single) · ~1 landings/mo
›C172 (Piston single) · ~1 landings/mo
Data limitations (4)
›ADS-B coverage is incomplete; counts are an observed lower bound, not official totals.
›Some aircraft do not transmit usable ADS-B and are not counted.
›Aircraft types and based estimates are inferred and may be wrong.
›This is not official ATC, FAA, or airport data.
NEARBY AIRPORTS

Weather reference stations

WA85 has no on-field report. Nearest reporting station: KSEA (9 NM N, VFR).

KSEA Seattle–Tacoma International Airport
9 NM N
VFR
KTIW Tacoma Narrows Airport
11 NM W
VFR
KTCM McChord Air Force Base
12 NM SW
VFR
KRNT Renton Municipal Airport
12 NM N
VFR
KBFI King County International Airport - Boeing Field
14 NM N
VFR
KGRF Gray Army Air Field
17 NM SW
VFR
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗WA85 on OurAirports
FREQUENTLY ASKED
Does WA85 have a METAR?
No on-field METAR is issued for WA85. This page uses the nearest reporting station as a reference.
Does WA85 have a TAF?
No TAF is issued directly for WA85. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at WA85?
WA85 sits at 409 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for WA85?
No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.
This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.