Watertown International Airport
Daylight today(Aug 31, 2026, local time)
About 13h 17m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.
About Watertown International Airport
Watertown International Airport is in the Town of Hounsfield in Jefferson County, New York, United States, 6 mi west of Watertown. The airport is used for general aviation, but has scheduled passenger service subsidized by the Essential Air Service program. The airport has no scheduled international passenger flights, but is available as an international port of entry for private aircraft on two hours' advance notice from pilots.
Summary from Wikipedia, photo via Wikimedia Commons, licensed under CC BY-SA.
Live weather
KARTNOTAMs
KARTReference only — not an official briefing. Always obtain a certified briefing (e.g. 1800wxbrief.com / your AIS) before flight.
NOTAM data via the FAA NOTAM system.
Live departures & arrivals
Flight data by AeroDataBox. Times are estimates — not for navigation; confirm with the airline.
Where you can fly from here
Current scheduled routes & daily frequency by AeroDataBox. Approximate — confirm bookable schedules with the airline.
Live traffic nearby
Aircraft currently within ~40 nm, from live ADS-B. Positions are approximately real-time — not for navigation.
Live ADS-B by adsb.lol & the OpenSky Network. Not for navigation.
Map
Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.
Runways (2)
| Runway | Length | Width | Surface | Lighting | Status |
|---|---|---|---|---|---|
| 10 / 28 | 7,001 ft / 2,134 m | 150 ft | Asp | Lighted | Open |
| 07 / 25 | 4,999 ft / 1,524 m | 150 ft | Asp | Lighted | Open |
Radio frequencies (4)
| Type | Description | Frequency |
|---|---|---|
| A/D | WHEELER SACK APP/DEP | 128.250 MHz |
| ASOS | ASOS | 133.525 MHz |
| RDO | BURLINGTON RDO | 122.200 MHz |
| UNIC | CTAF/UNICOM | 123.000 MHz |
Airlines & destinations
Route data from OpenFlights — historical and may be out of date. Check current schedules.
Instrument procedures & charts
Airport diagram (1)
Instrument approaches (4)
Takeoff & alternate minimums (2)
Showing 7 of 8 FAA procedures on this overview. Always fly the current, official chart. Full charts page.
Airspace in this area(1)
| Name | Class | Type | Floor | Ceiling |
|---|---|---|---|---|
| WATERTOWN CLASS E2 | Class E | Controlled | GND | 17999 ft MSL |
Approximate bounding-box match from OpenAIP · all United States airspace. Reference only — consult official charts for exact boundaries and status.
Weather by month
Share of VFR / marginal-VFR / IFR / low-IFR conditions by month over the last 8 years, with the prevailing wind and typical density altitude. Historical climatology — not a forecast.
Prevailing wind: S (from about 180°), on 13% of observations, averaging 7 kt.
| Month | VFR / MVFR / IFR / LIFR | % VFR | Median DA |
|---|---|---|---|
| Jan | 51% | -1,825 ft | |
| Feb | 64% | -1,795 ft | |
| Mar | 74% | -1,231 ft | |
| Apr | 77% | -596 ft | |
| May | 81% | 133 ft | |
| Jun | 83% | 872 ft | |
| Jul | 85% | 1,239 ft | |
| Aug | 84% | 1,082 ft | |
| Sep | 84% | 484 ft | |
| Oct | 80% | -192 ft | |
| Nov | 72% | -1,054 ft | |
| Dec | 58% | -1,475 ft |
VFR MVFR IFR LIFR· density altitude ranges ~-1,825–1,239 ft through the year· Source: NWS/IEM ASOS archive.
Nearby airports
Great-circle distance and true bearing from Watertown International Airport.
Frequently asked questions
What is the ICAO code for Watertown International Airport?
The ICAO code for Watertown International Airport is KART, and its IATA code is ART.
Where is Watertown International Airport located?
Watertown International Airport is medium airport located in Watertown, United States, at an elevation of 325 ft (99 m).
How many runways does Watertown International Airport have?
Watertown International Airport has 2 runways, the longest being 7,001 ft / 2,134 m.
Which airlines fly to Watertown International Airport?
Airlines historically serving Watertown International Airport include American Airlines, US Airways (based on OpenFlights route data, which may be out of date).
How many destinations are served from Watertown International Airport?
Historical data lists 2 nonstop destinations from Watertown International Airport. Always check current schedules.
What time zone is Watertown International Airport in?
Watertown International Airport is in the America/New York time zone (UTC-04:00).
What is the magnetic variation at Watertown International Airport?
The magnetic variation (declination) at Watertown International Airport is approximately 12.1° W, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.
What airports are near Watertown International Airport?
The nearest airport to Watertown International Airport is Salubrious Point Airport (5NK0), about 6.1 nm to the wnw, followed by Ritchie Airfield and Wheeler Sack Army Air Field.
Is the information on this page suitable for flight planning?
No. Watertown International Airport data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.