WxDecoder

WA94 Weather Washington Air Museum Heliport

Black Diamond, WashingtonElevation 500 ftHeliport
OFF-FIELD REFERENCE
Nearest report: KRNT · 12 NM NW · 46 min old
Ceiling 7,500 ft, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KRNT
WIND
VRB@3
steady
VISIBILITY
10 SM
16.1 km
CEILING
7,500 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 calm, temperature 6.67C. This observation is older than usual, so treat it with extra caution. Treat this as supplemental, not an aviation observation. Forecast suggests this afternoon chance light rain, high near 55F, low near 41F, 45% 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 55/41 ESE 2 kt – 45%
Monday Chance Light Rain 56/42 ENE 1 kt – 55%
Tuesday Light Rain Likely 55/40 SSW 6 kt – 96%
Wednesday Showers And Thunderstorms 51/36 SSW 7 kt – 97% Thunderstorms in the forecast
Thursday Light Rain Likely 51/33 E 2 kt – 72%
Friday Slight Chance Light Rain 52/32 NNE 2 kt – 23%
Saturday Mostly Sunny 54/33 NE 2 kt – 6%

Source: National Weather Service (office SEW). Forecast issued 0039Z.

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 WA94. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail

H1
Dimensions
70 x 60 ft
Surface
GRASS / SOD
FIELD CONDITIONS

Field elevation

Field elevation
500 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
0102Z 6:02 PM
Sunrise
1442Z 7:42 AM
Loggable night
0134Z (6:34 PM local) → 1410Z (7:10 AM local)
end of evening to start of morning civil twilight
Position lights required
0102Z (6:02 PM local) → 1442Z (7:42 AM local)
sunset to sunrise (91.209)
Night passenger currency
0202Z (7:02 PM local) → 1342Z (6:42 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

Washington Air Museum Heliport is in Black Diamond, Washington. Field elevation 500 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
TypeHeliport
CHARTS & AIRSPACE
ICAO / IATAWA94
RegionWashington
CountryUnited States
Coordinates47.3340, -122.0240
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

WA94 traffic patterns

2026-10-05 to 2026-10-05, 1 days observed · data 2026-10-23

Low confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
1
AVG OPS/DAY
1
Operations trend (1 days)

Busiest day: Mon · Busiest month: Oct

FLEET MIX
Piston single 100%

Mostly small piston aircraft.

TOP AIRCRAFT TYPES
›PA18 (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

WA94 has no on-field report. Nearest reporting station: KRNT (12 NM NW, VFR).

KRNT Renton Municipal Airport
12 NM NW
VFR
KSEA Seattle–Tacoma International Airport
13 NM NW
VFR
KBFI King County International Airport - Boeing Field
16 NM NW
VFR
KTCM McChord Air Force Base
22 NM SW
VFR
KTIW Tacoma Narrows Airport
23 NM W
VFR
KGRF Gray Army Air Field
27 NM SW
VFR
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗WA94 on OurAirports
FREQUENTLY ASKED
Does WA94 have a METAR?
No on-field METAR is issued for WA94. This page uses the nearest reporting station as a reference.
Does WA94 have a TAF?
No TAF is issued directly for WA94. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at WA94?
WA94 sits at 500 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for WA94?
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.