Jefferson County International Airport (K0S9) Area Aviation Weather & Runway Winds
Aviation weather near Jefferson County International Airport in Port Townsend, WA, decoded from the nearest reporting station (KNRA): conditions, runway crosswinds, and free Telegram airport alerts.
Jefferson County International Airport (K0S9) is a general aviation airport serving pilots in and around Port Townsend, WA at 108 ft. K0S9 has no weather station of its own. Conditions here are decoded from KNRA, about 11 nm away, the nearest reporting station, and local conditions can differ. Its 2 runways (09, 27), longest 3,000 ft, are checked against the current wind in the crosswind table below. Automated weather is broadcast on 119.025. Track it in the ATIS Alerts Telegram bot to get alerts read from KNRA, the station this page is based on.
No weather station at this airport: showing the nearest station KNRA, 10.8 nm away.
Wind calm, visibility 10+ statute miles, a few clouds at 9,000 ft, overcast at 10,000 ft, temperature 13°C (56°F), altimeter 29.90 inHg. Conditions are Visual Flight Rules (VFR), ceiling 10,000 ft.
METAR KNRA 130746Z AUTO 00000KT 10SM -RA FEW090 OVC100 13/11 A2990 RMK AO2 RAB41 SLP068 T01330106 401940100 TSNO PNO $
What changed at KNRA (nearest station)?
Since the 0646Z (11:46 PM PDT) report, compared automatically against the latest METAR.
- Rain began (-RA).
- Pressure rising: altimeter 29.88 → 29.90 inHg.
This is exactly what ATIS Alerts watches for you: get a Telegram message when K0S9's weather changes, free →
Current pilot readout for K0S9
Based on the nearest station (KNRA), K0S9 is currently VFR with calm winds, visibility 10+ statute miles, and a 10,000 ft ceiling. Density altitude is approximately -50 ft (field elevation 108 ft). K0S9 does not publish a TAF. The nearest TAF station is KNUW, about 19 nm away.
⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
New to aviation weather? How to read a METAR → · What VFR/MVFR/IFR mean → · Decode any METAR/TAF → · Density altitude calculator →
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Track K0S9 free on TelegramRunway wind check
Estimated head/tailwind and crosswind for each runway end from the current reported wind.
Use this section to quickly compare current wind alignment across available runways at K0S9. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.
Current wind is calm: calm wind is not a factor for runway selection, and with no wind there is no head/tail or crosswind component to compute. Live numbers return automatically once a report includes a wind direction.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 09 | 3,000 ft | ASPH-G | - | - |
| 27 | 3,000 ft | ASPH-G | - | - |
Open the crosswind calculator to try your own wind and runway numbers →
24-hour trend
Wind, ceiling and flight category over the last 24 hours.
Over the last 23 h: wind 0→0 kt, ceiling unlimited → 10,000 ft.
K0S9 weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast. Drag to pan, tap ⚡ to toggle lightning.
Live weather radar around Jefferson County International Airport in Port Townsend, WA: the NOAA/NWS NEXRAD composite updates about every five minutes, with NOAA lightning strike density overlaid. The loop plays the past 50 minutes, then continues into a future-radar forecast (+1 to +4 hours, NOAA HRRR model) so you can see where precipitation around K0S9 is headed.
Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © Stadia Maps © OpenMapTiles © OpenStreetMap
Forecast frames (amber label) are HRRR model guidance, not observed radar. Lightning strike density appears as a blue-white glow when strikes are detected in view. Radar and lightning coverage are limited in parts of Alaska, Hawaii, and offshore areas. Not for navigation.
Pilot reports (PIREPs) within 100 NM of K0S9
Reported by pilots in flight over the past 6 hours, via aviationweather.gov.
Show raw report
SEA UA /OV SEA163025/TM 0614/FL135/TP E75L/SK TOP 140/TA M8/IC LGT RIME 115-140/RM ZSE
SEA UAHeader: reporting station and UA: a routine pilot report.OV SEA163025Location: fix or navaid, optionally with a radial and distance in NM.TM 0614Reported at 06:14 UTC.FL135Altitude: 13,500 ft MSL.TP E75LAircraft type reporting.SK TOP 140Sky condition: cloud bases and tops in hundreds of feet MSL.TA M8Outside air temperature, °C.IC LGT RIME 115-140Icing: light rime 11,500–14,000 ft.RM ZSERemarks.Show raw report
OLM UA /OV OLM200020/TM 0559/FL150/TP E75L/TB MOD 150-260 CONS LGT 260-ABV/RM DURC ZSE
OLM UAHeader: reporting station and UA: a routine pilot report.OV OLM200020Location: fix or navaid, optionally with a radial and distance in NM.TM 0559Reported at 05:59 UTC.FL150Altitude: 15,000 ft MSL.TP E75LAircraft type reporting.TB MOD 150-260 CONS LGT 260-…Turbulence: moderate 15,000–26,000 ft continuous light 260-abv.RM DURC ZSERemarks.Show raw report
SEA UA /OV SEA140002/TM 0520/FL014/TP B739/SK BKN014
SEA UAHeader: reporting station and UA: a routine pilot report.OV SEA140002Location: fix or navaid, optionally with a radial and distance in NM.TM 0520Reported at 05:20 UTC.FL014Altitude: 1,400 ft MSL.TP B739Aircraft type reporting.SK BKN014Sky condition: cloud bases and tops in hundreds of feet MSL.Show raw report
SEA UA /OV SEA150050/TM 0504/FL240/TP E75L/TB LGT OCNL MOD 220-240/RM DURC SUMMA ZSE
SEA UAHeader: reporting station and UA: a routine pilot report.OV SEA150050Location: fix or navaid, optionally with a radial and distance in NM.TM 0504Reported at 05:04 UTC.FL240Altitude: 24,000 ft MSL.TP E75LAircraft type reporting.TB LGT OCNL MOD 220-240Turbulence: light occasional moderate 22,000–24,000 ft.RM DURC SUMMA ZSERemarks.Show raw report
OLM UA /OV OLM150030/TM 0501/FL180/TP B737/TB LGT OCNL MOD 280-180/RM DURD HAWKZ ZSE
OLM UAHeader: reporting station and UA: a routine pilot report.OV OLM150030Location: fix or navaid, optionally with a radial and distance in NM.TM 0501Reported at 05:01 UTC.FL180Altitude: 18,000 ft MSL.TP B737Aircraft type reporting.TB LGT OCNL MOD 280-180Turbulence: light occasional moderate 28,000–18,000 ft.RM DURD HAWKZ ZSERemarks.Show raw report
SEA UA /OV SEA120048/TM 0412/FL145/TP B738/TA M14/IC LGT RIME 160-090/RM DURD MARNR8 ARR
SEA UAHeader: reporting station and UA: a routine pilot report.OV SEA120048Location: fix or navaid, optionally with a radial and distance in NM.TM 0412Reported at 04:12 UTC.FL145Altitude: 14,500 ft MSL.TP B738Aircraft type reporting.TA M14Outside air temperature, °C.IC LGT RIME 160-090Icing: light rime 16,000–9,000 ft.RM DURD MARNR8 ARRRemarks.Show raw report
SEA UA /OV SEA312048/TM 0406/FL145/TP B738/TA -14/IC LGT RIME 160-145/RM DURD MARNR8 ARR
SEA UAHeader: reporting station and UA: a routine pilot report.OV SEA312048Location: fix or navaid, optionally with a radial and distance in NM.TM 0406Reported at 04:06 UTC.FL145Altitude: 14,500 ft MSL.TP B738Aircraft type reporting.TA -14Outside air temperature, °C.IC LGT RIME 160-145Icing: light rime 16,000–14,500 ft.RM DURD MARNR8 ARRRemarks.Show raw report
SEA UA /OV SEA310080/TM 0359/FL290/TP B748/TB MOD 290-150/RM DURD MARNR ARVL VIXOR TRANSITION-ZSE
SEA UAHeader: reporting station and UA: a routine pilot report.OV SEA310080Location: fix or navaid, optionally with a radial and distance in NM.TM 0359Reported at 03:59 UTC.FL290Altitude: 29,000 ft MSL.TP B748Aircraft type reporting.TB MOD 290-150Turbulence: moderate 29,000–15,000 ft.RM DURD MARNR ARVL VIXOR TRA…Remarks.⚠️ PIREPs are unverified pilot reports. Not for operational use: conditions change between reports.
Recent aviation weather trends at K0S9
From ATIS Alerts' hourly weather history.
Over the past 24 hours, the nearest station KNRA reported mostly VFR across 17 observations, with 0 flight-category changes. The lowest ceiling was 9,000 ft. Wind most often came from the NW.
Most recent change: MVFR → VFR
- 27
- 67%
- 09
- 33%
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Airport facts
Reference data from the OurAirports dataset.
- Type
- General aviation airport
- IATA
- TWD
- FAA LID
- 0S9
- City
- Port Townsend
- State
- Washington
- Country
- United States
- Elevation
- 108 ft
- Coordinates
- 48.0538, -122.8110
- Runways
- 2
- Longest runway
- 3,000 ft
- Weather reporting
- Nearest station KNRA
- TAF
- Nearest KNUW
- AWOS/ASOS
- 119.025 MHz
- Time zone
- America/Los_Angeles
- Next sunset
- 18h 15m
Run a flight school, FBO, or club here? Embed K0S9's live status on your website, free →
Nearby airports
Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.
Within 25 NM
8 airports+2 more within 25 NM
25–50 NM
8 airports+2 more within 50 NM
50–100 NM
8 airports+2 more within 100 NM
RC flying fields nearby
AMA model-aircraft club fields around this airport: live wind, crosswind & flyability on each page.
- Port Townsend Silent Flight Association - Uncas Road , Port Townsend, WA · 2 mi
- Tri Area RC Flyers - Beaver Valley Rd , Chimacum, WA · 5 mi
- Olympic R/C Association - Leland Lake County Park , Quilcene, WA · 11 mi
K0S9 weather: frequently asked
What runways are available at K0S9?+
K0S9 has 2 runways: 09, 27; the longest is 3,000 ft. This page computes the live crosswind for each runway end from the current wind.
Where does the weather shown for K0S9 come from?+
Jefferson County International Airport does not have its own weather station. Conditions shown here come from the nearest reporting station, KNRA, about 11 nm away, close enough for situational awareness, but local conditions at K0S9 can differ.
Does K0S9 have a TAF?+
No. K0S9 does not publish its own TAF. The nearest TAF station is KNUW, about 19 nm away.
Does K0S9 broadcast D-ATIS?+
No. K0S9 does not broadcast D-ATIS. Alerts for K0S9 from the ATIS Alerts bot (@atisalerts_bot) are based on its METAR (via the nearest reporting station) instead.
Pilot PIREPs for Jefferson County International Airport (K0S9)
Community-submittedCommunity-submitted airport notes from pilots about runway conditions, wildlife, FBOs, fuel, turbulence, ramp access, and local tips.
Read recent community-submitted pilot notes for Jefferson County International Airport, 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 K0S9 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.
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