Princeton Airport (K39N) Area Aviation Weather & Runway Winds
Aviation weather near Princeton Airport in Princeton/Rocky Hill, NJ, decoded from the nearest reporting station (KTTN): conditions, runway crosswinds, and free Telegram airport alerts.
Princeton Airport (K39N) is a general aviation airport serving pilots in and around Princeton/Rocky Hill, NJ at 128 ft. K39N has no weather station of its own. Conditions here are decoded from KTTN, about 10 nm away, the nearest reporting station, and local conditions can differ. Its 2 runways (10, 28), longest 3,499 ft, are checked against the current wind in the crosswind table below. The nearest TAF is issued for KTTN. Track it in the ATIS Alerts Telegram bot to get alerts read from KTTN, the station this page is based on.
No weather station at this airport: showing the nearest station KTTN, 10.2 nm away.
Wind from the southeast (130°) at 8 kt, visibility 10+ statute miles, no cloud data, temperature 21°C (70°F), altimeter 30.05 inHg. Conditions are Visual Flight Rules (VFR).
METAR KTTN 130253Z AUTO 13008KT 10SM CLR 21/17 A3005 RMK AO2 SLP168 T02110167 58006
Current pilot readout for K39N
Based on the nearest station (KTTN), K39N is currently VFR with winds from 130° at 8 knots, visibility 10+ statute miles, and no ceiling reported. The strongest crosswind component is currently on runway 10, about 5 knots. Density altitude is approximately 750 ft (field elevation 128 ft). Review the latest TAF below for forecast changes before departure.
⚠️ 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 K39N 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 K39N. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 10FAV | 3,499 ft | ASP | 6 kt head | 5 kt right |
| 28 | 3,499 ft | ASP | 6 kt tail | 5 kt left |
Open the crosswind calculator to try your own wind and runway numbers →
K39N weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast. Drag to pan, tap ⚡ to toggle lightning.
Live weather radar around Princeton Airport in Princeton/Rocky Hill, NJ: 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 K39N 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.
Recent aviation weather trends at K39N
From ATIS Alerts' hourly weather history.
History is still being collected. Check back in a few days.
Most recent change: MVFR → VFR
- 28
- 64%
- 10
- 36%
TAF | Terminal Aerodrome Forecast
Issued 0712Z (3:12 AM EDT)
TAF KTTN 130712Z 1307/1406 VRB04KT P6SM VCSH OVC030 TEMPO 1308/1312 1SM +RA BR OVC004 FM131300 34007KT 3SM BR VCSH BKN007 FM131700 31006KT P6SM BKN025 FM132000 28006KT P6SM BKN100 AMD NOT SKED
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We'll message you on Telegram when a new report moves the picture near K39N (Princeton Airport): alerts read from KTTN, the station this page uses.
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Airport facts
Reference data from the OurAirports dataset.
- Type
- General aviation airport
- IATA
- PCT
- FAA LID
- 39N
- City
- Princeton/Rocky Hill
- State
- New Jersey
- Country
- United States
- Elevation
- 128 ft
- Coordinates
- 40.3992, -74.6589
- Runways
- 2
- Longest runway
- 3,499 ft
- Weather reporting
- Nearest station KTTN
- TAF
- Nearest KTTN
- Time zone
- America/New_York
- Next sunset
- 15h 12m
Run a flight school, FBO, or club here? Embed K39N'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.
- Millstone RC Flyers - Jacques Lane , Somerset, NJ · 7 mi
- Atoms RCers - Hillsborough Library , Hillsborough Township, NJ · 7 mi
- North Jersey Heli Pilots - Central Jersey Airport , 1046 Millstone River Rd, NJ · 9 mi
K39N weather: frequently asked
What runways are available at K39N?+
K39N has 2 runways: 10, 28; the longest is 3,499 ft. This page computes the live crosswind for each runway end from the current wind.
Where does the weather shown for K39N come from?+
Princeton Airport does not have its own weather station. Conditions shown here come from the nearest reporting station, KTTN, about 10 nm away, close enough for situational awareness, but local conditions at K39N can differ.
Does K39N have a TAF?+
Yes. The KTTN TAF is shown on this page below the current conditions.
Does K39N broadcast D-ATIS?+
No. K39N does not broadcast D-ATIS. Alerts for K39N from the ATIS Alerts bot (@atisalerts_bot) are based on its METAR (via the nearest reporting station) instead.
Pilot PIREPs for Princeton Airport (K39N)
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 Princeton 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 K39N 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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⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
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