ATIS Alerts

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.

VFR
Observed 0346Z (8:46 PM PDT)live · refreshes every 60s

No weather station at this airport — showing the nearest station KNRA, 10.8 nm away.

Wind
270° 7 kt
Visibility
10+ sm
Ceiling
3,900 ft
Altimeter
30.05"
Temp / Dew
16°C / 60°F
dew 10°C

Wind from the west (270°) at 7 kt, visibility 10+ statute miles, broken clouds at 3,900 ft, broken clouds at 4,800 ft, overcast at 6,500 ft, temperature 16°C (60°F), altimeter 30.05 inHg. Conditions are Visual Flight Rules (VFR), ceiling 3,900 ft.

Raw METAR
METAR KNRA 290346Z AUTO 27007KT 10SM BKN039 BKN048 OVC065 16/10 A3005 RMK AO2 SLP121 T01560100 TSNO PNO $

What changed at KNRA (nearest station)?

Since the 0046Z (5:46 PM PDT) report — compared automatically against the latest METAR.

  • Pressure falling: altimeter 30.07 → 30.05 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 winds from 270° at 7 knots, visibility 10+ statute miles, and a 3,900 ft ceiling. The strongest crosswind component is currently on runway 27, about 6 knots. 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 →

Get K0S9 weather alerts in Telegram

Stop refreshing aviation weather manually. Track K0S9 in ATIS Alerts and get notified when a new METAR changes the picture — a category drop, or wind and ceiling moving toward your minimums.

Track K0S9 free on Telegram

Runway 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.

RunwayHead / TailCrosswind
27FAV3 kt head6 kt left
097 kt tail2 kt right

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

24-hour trend

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

Wind (kt)Gusts (kt)Bottom strip — flight category:VFRMVFRIFRLIFRNo report
0173306Z15Z03Z

Over the last 21 h: wind 4→7 kt, ceiling unlimited → 3,900 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.

Loading…
Loading radar…

Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © OpenStreetMap © CARTO

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.

PIREP0306Z (8:06 PM PDT) · 39 NM SE of K0S9 · 7,500 ft MSL · E75L
moderate 7,500–5,000 ft turbulence
Show raw report
SEA UA /OV SEA010006/TM 0306/FL075/TP E75L/TB MOD 075-050/RM CELL EXTENDING NE
SEA UAHeader — reporting station and UA: a routine pilot report.
OV SEA010006Location — fix or navaid, optionally with a radial and distance in NM.
TM 0306Reported at 03:06 UTC.
FL075Altitude: 7,500 ft MSL.
TP E75LAircraft type reporting.
TB MOD 075-050Turbulence: moderate 7,500–5,000 ft.
RM CELL EXTENDING NERemarks.
PIREP0305Z (8:05 PM PDT) · 31 NM SE of K0S9 · 2,000 ft MSL · PC12
Show raw report
BFI UA /OV BFI315007/TM 0305/FL020/TP PC12/RM SMOOTH RIDE
BFI UAHeader — reporting station and UA: a routine pilot report.
OV BFI315007Location — fix or navaid, optionally with a radial and distance in NM.
TM 0305Reported at 03:05 UTC.
FL020Altitude: 2,000 ft MSL.
TP PC12Aircraft type reporting.
RM SMOOTH RIDERemarks.
URGENT0133Z (6:33 PM PDT) · 37 NM SE of K0S9 · 300 ft MSL · BE99
low-level wind shear
Show raw report
BFI UUA /OV BFI315001/TM 0133/FL003/TP BE99/RM LLWS +/- 10KTS
BFI UUAHeader — reporting station and UUA: an URGENT pilot report (severe conditions, wind shear, or similar).
OV BFI315001Location — fix or navaid, optionally with a radial and distance in NM.
TM 0133Reported at 01:33 UTC.
FL003Altitude: 300 ft MSL.
TP BE99Aircraft type reporting.
RM LLWS +/- 10KTSRemarks.
PIREP0128Z (6:28 PM PDT) · 23 NM E of K0S9 · 3,000 ft MSL · PA28
Show raw report
PAE UA /OV PAE360002/TM 0128/FL030/TP PA28/SK BKN030
PAE UAHeader — reporting station and UA: a routine pilot report.
OV PAE360002Location — fix or navaid, optionally with a radial and distance in NM.
TM 0128Reported at 01:28 UTC.
FL030Altitude: 3,000 ft MSL.
TP PA28Aircraft type reporting.
SK BKN030Sky condition — cloud bases and tops in hundreds of feet MSL.
PIREP0123Z (6:23 PM PDT) · 35 NM SE of K0S9 · 1,000 ft MSL · B190
low-level wind shear
Show raw report
BFI UA /OV BFI315003/TM 0123/FL010/TP B190/RM LLWS +/- 5-7KTS
BFI UAHeader — reporting station and UA: a routine pilot report.
OV BFI315003Location — fix or navaid, optionally with a radial and distance in NM.
TM 0123Reported at 01:23 UTC.
FL010Altitude: 1,000 ft MSL.
TP B190Aircraft type reporting.
RM LLWS +/- 5-7KTSRemarks.
PIREP0102Z (6:02 PM PDT) · 31 NM SE of K0S9 · 2,000 ft MSL · DC9
low-level wind shear
Show raw report
BFI UA /OV BFI315007/TM 0102/FL020/TP DC9/RM LLWS +/- 3-5KTS
BFI UAHeader — reporting station and UA: a routine pilot report.
OV BFI315007Location — fix or navaid, optionally with a radial and distance in NM.
TM 0102Reported at 01:02 UTC.
FL020Altitude: 2,000 ft MSL.
TP DC9Aircraft type reporting.
RM LLWS +/- 3-5KTSRemarks.
PIREP0055Z (5:55 PM PDT) · 30 NM SE of K0S9 · during descent · PC12
light chop turbulence
Show raw report
BFI UA /OV BFI315008/TM 0055/FL020/TP PC12/TB LGT CHOP/RM DURD
BFI UAHeader — reporting station and UA: a routine pilot report.
OV BFI315008Location — fix or navaid, optionally with a radial and distance in NM.
TM 0055Reported at 00:55 UTC.
FL020Altitude: 2,000 ft MSL.
TP PC12Aircraft type reporting.
TB LGT CHOPTurbulence: light chop.
RM DURDRemarks.
PIREP0045Z (5:45 PM PDT) · 31 NM SE of K0S9 · during descent · C700
Show raw report
BFI UA /OV BFI315007/TM 0045/FL020/TP C700/RM SMOOTH RIDE DURD
BFI UAHeader — reporting station and UA: a routine pilot report.
OV BFI315007Location — fix or navaid, optionally with a radial and distance in NM.
TM 0045Reported at 00:45 UTC.
FL020Altitude: 2,000 ft MSL.
TP C700Aircraft type reporting.
RM SMOOTH RIDE DURDRemarks.

⚠️ 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 a mix of conditions, most often marginal VFR across 27 observations, with 11 flight-category changes. The strongest gust reached 29 kt, the lowest ceiling was 1,300 ft. Wind most often came from the S.

Last 24 hours
VFR 44%MVFR 52%IFR 4%
Wind avg/max: 7/13 kt
Max gust: 29 kt
Lowest ceiling: 1,300 ft
Lowest vis: —
Prevailing wind: S
Category changes: 11

Most recent change: MVFR → VFR

Last 7 days
VFR 77%MVFR 20%IFR 2%LIFR 1%
Wind avg/max: 6/17 kt
Max gust: 32 kt
Lowest ceiling: 400 ft
Lowest vis: 1.5 sm
Prevailing wind: W
Category changes: 27

Most recent change: MVFR → VFR

Active Runway - past 30 days
27
79%
09
21%

Get free ATIS alerts for K0S9

We'll message you on Telegram when a new report moves the picture near K0S9 (Jefferson County International Airport) — alerts read from KNRA, the station this page uses.

Track K0S9 on Telegram

Free • no app to install • unsubscribe anytime

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
23h 4m

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.

VFRMVFRIFRLIFRNo report

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 →

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-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 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.

From the ATIS Alerts team

Why pilots use ATIS Alerts

Free aviation weather and ATIS change alerts for GA pilots, delivered on Telegram — so a change catches your eye before it catches you off guard.

  • Get pinged the moment K0S9 drops below VFR or a new report moves your numbers.
  • Live METAR, TAF, crosswinds, and FAA delays — one link, always current.
  • Free, no app to install, and you can track any US airport. Unsubscribe anytime.
Get free alerts for K0S9 →

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

Spotted incorrect airport info? ✏️ Suggest an edit

How ATIS Alerts works · All US airports · Washington airports

Get free alerts for K0S9