7S3 Weather Stark's Twin Oaks Airpark

Hillsboro, OregonElevation 170 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: KHIO · 7 NM N · 50 min old
Ceiling 800 ft, visibility 6 SM, mist.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KHIO
WIND
160@7
steady
VISIBILITY
6 SM
9.7 km
CEILING
800 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 120° at 8 kt, visibility 10 SM, temperature 11C. Treat this as supplemental, not an aviation observation. Forecast suggests this afternoon chance light rain, high near 56F, low near 45F, 92% 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 56/45 SSE 5 kt – 92%
Monday Light Rain 58/43 S 5 kt – 87%
Tuesday Areas Of Fog then Chance Light Rain 59/41 WSW 3 kt – 82%
Wednesday Showers And Thunderstorms 57/39 SSW 7 kt – 88% Thunderstorms in the forecast
Thursday Light Rain 56/36 S 5 kt – 78%
Friday Chance Light Rain 56/34 ENE 2 kt – 27%
Saturday Partly Sunny 58/35 0 kt – 12%

Source: National Weather Service (office PQR). Forecast issued 2343Z.

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
1 runway
NESW0220
WIND
No on-field weather data
No reporting weather station on the field, so wind components cannot be computed. See nearby stations below.
RUNWAYS

Runway detail & declared distances

1 runway · longest 2,465 ft

02/20
Dimensions
2,465 x 48 ft
Surface
Asphalt (good)
Edge lights
LOW
RWY 02
Displaced threshold100 ft
Traffic patternLeft
RWY 20
Traffic patternLeft

Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.

FIELD CONDITIONS

Field elevation

Field elevation
170 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
0109Z 6:09 PM
Sunrise
1442Z 7:42 AM
Loggable night
0140Z (6:40 PM local) → 1412Z (7:12 AM local)
end of evening to start of morning civil twilight
Position lights required
0109Z (6:09 PM local) → 1442Z (7:42 AM local)
sunset to sunrise (91.209)
Night passenger currency
0209Z (7:09 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

Stark's Twin Oaks Airpark is in Hillsboro, Oregon. Field elevation 170 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UseOpen to the public
TypeSmall airport
ManagerROBERT C. STARK
Manager phone503-628-2817
AttendedDaily, DAWN–DUSK
CHARTS & AIRSPACE
ICAO / IATA7S3
SectionalSEATTLE
Center (ARTCC)SEATTLE
Flight service (AFSS)MC MINNVILLE
RegionOregon
CountryUnited States
Coordinates45.4285, -122.9420
Distance from city4 NM S
SERVICES & LIGHTING
Fuel100LL
Control towerNon-towered
Field lightingSee remarks
Traffic pattern alt1,030 ft MSL
CTAF123.050
UNICOM123.050
FREQUENCIES

Communications

123.05
Twin Oaks Traffic
CTAF
123.050
UNICOM
UNICOM

Not all tower/ground/approach frequencies are in our datasets. Verify with the FAA Chart Supplement.

AIRCRAFT ACTIVITY

7S3 traffic patterns

2026-06-12 to 2026-10-23, 70 days observed · data 2026-10-23

High confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
23.2
AVG OPS/DAY
35.8
Activity trend over 18 days: rising, from 6 to 39 operations per dayOperations trend (18 days)

Busiest day: Fri · Busiest month: Jul

FLEET MIX
Piston single 85%Unknown 14%

Mostly small piston aircraft.

TOP AIRCRAFT TYPES
›C150 (Piston single) · ~183 landings/mo
›C172 (Piston single) · ~183 landings/mo
›RV12 (Unknown) · ~19 landings/mo
›C182 (Piston single) · ~11 landings/mo
›P28A (Piston single) · ~10 landings/mo
LIKELY BASED AIRCRAFT
Low-confidence estimate

Aircraft likely based near this airport (estimate), mostly single-engine piston aircraft.

›C172 (Piston single)
›C150 (Piston single)
›RV12 (Unknown)
›C182 (Piston single)
›P28A (Piston single)

This is an estimate based on repeated flight patterns, not registration data. Do not rely on it to identify specific aircraft or owners.

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

7S3 has no on-field report. Nearest reporting station: KHIO (7 NM N, IFR).

AIRPORT REMARKS

Operational remarks

›LIGHT FIXTURES 30' FROM RWY EDGES.
›20 FT TREES AT 175 FT AND 120 FT LEFT OF CNTRLN. NO SAFETY AREA. ALSO, 10 FT PUB ROAD AT 180 FT XNG CNTRLN.
›CALM WND RWY 02.
›BOB@TWINOAKSAIRPARK.COM
›ACTIVATE LIRL RY 02/20-CTAF; AFT 0000 PPR CALL AMGR 503-628-2817.
›RUNWAY ENDS NOT VISIBLE FROM EACH OTHER
›FOR CD CTC PORTLAND APCH AT 503-493-7545.
FREQUENTLY ASKED
Does 7S3 have a METAR?
No on-field METAR is issued for 7S3. This page uses the nearest reporting station as a reference.
Does 7S3 have a TAF?
No TAF is issued directly for 7S3. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at 7S3?
7S3 sits at 170 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for 7S3?
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.