Trenton Mercer Airport

KTTN / TTN

Ewing Township, US

Last Updated
Mar 4, 20:53Z

Current Weather

Display Units
Recent 42 min ago
20:53Z

🌙 Night
VFR
Flight Rules
8°C
Temperature
Dewpoint: 4°C
0 kt
10 SM
Visibility
6,000 ft
Ceiling
Above Ground Level
1024 hPa
QNH
Altimeter Setting

Raw METAR

METAR KTTN 042053Z 00000KT 10SM OVC060 08/04 A3023 RMK AO2 RAB13E28 SLP233 P0000 60000 T00780044 55007 $

Clouds - Visual Profile

12,000ft
9,000ft
6,000ft
3,000ft
Ground
Field Elev: 213 ft
OVC 6,000 ft AGL
☁️
OVC
Overcast (8/8 sky coverage)
6,000 ft
AGL (Above Ground)
6,213 ft AMSL
QNH
1024 hPa
Sea Level Pressure
For altitude above MSL
QFE
1017 hPa
Field Pressure
Height above aerodrome (213 ft)
Pressure Alt
-110 ft
QNE Reference
Standard: 1013 hPa
Density Altitude: -899 ft
ISA Deviation: -6.6°C

Forecast (TAF)

View Full TAF
Raw TAF
TAF KTTN 041720Z 0418/0518 08005KT P6SM -SHRA FEW020 BKN090 TEMPO 0421/0424 6SM -SHRA BR OVC020 FM050000 VRB02KT 6SM BR VCSH OVC012 FM050200 VRB02KT 2SM BR OVC006 FM050900 VRB02KT 1SM -SHRA BR OVC003 FM051500 08005KT 3SM BR OVC006
Upcoming Changes (Next 12 Hours)
21:35Z BASE
+0h
VFR 80° 5 kt
Visibility: >6SM
Ceiling: 9,000 ft
Light Showers Rain
00:00Z FM050000
+3h
IFR VRB 2 kt
Visibility: 6SM
Ceiling: 1,200 ft
Mist
02:00Z FM050200
+5h
IFR VRB 2 kt
Visibility: 2SM
Ceiling: 600 ft
Mist
09:00Z FM050900
+12h
LIFR VRB 2 kt
Visibility: 1SM
Ceiling: 300 ft
Light Showers Rain, Mist

24-Hour Weather Evolution

Loading weather data...
Data Sources
  • • Current conditions from METAR observations
  • • Historical data from past 24 hours
  • • No forecast or predicted data included
  • • Data updated with each new METAR report
Chart Features
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Note: Future values beyond current TAF validity are estimates based on climatological data and trends. Always verify with current forecasts before flight operations.

Airport Runway Layout

N
TTN
06
24
16
34

Runway Information

Runway Length Width Surface Heading Wind Component
06/24 6,006 ft 150 ft ASP 47°
0.0 kt 0.0 kt
47° angle
16/34 4,800 ft 150 ft ASP 145°
0.0 kt 0.0 kt
145° angle
🟢 Active Runway: Best headwind component for current conditions
⬆️ Headwind: Favorable wind component
↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

Weather Statistics - KTTN

4,700 observations | Sep 2025 - Mar 2026

Flight Rules Distribution

VFR
74.5%
MVFR
14.3%
IFR
7.4%
LIFR
3.8%

Trenton Mercer Airport typically experiences VFR conditions 74.5% of the time, though instrument-rated pilots will find IFR weather present approximately 11.2% of observations. Prevailing winds are from the W averaging 7.4 knots. Calm conditions occur 15% of the time. Temperature extremes range from -17°C to 29°C, reflecting significant seasonal variation. The best months for VFR flying are November, September, October.

Wind Analysis

Prevailing Direction: W (270°)
Average Speed: 7.4 kt
Maximum Recorded: 26 kt
Calm Winds: 15%
Direction Distribution:
N
13.5%
NE
7.5%
E
5.1%
SE
2.5%
S
8.7%
SW
9.6%
W
23%
NW
15.1%

Temperature Range

Average: 5°C
Range: -17°C to 29°C
-17°C 29°C

Visibility

Average: 9 SM
Below 3 SM: 3.6%
Fog Frequency: 2.6%

Best Months for VFR

November September October

Runway Wind Analysis

Runway 06/24
Favorable wind: 100%
Avg crosswind: 4.9 kt
Runway 16/34
Favorable wind: 100%
Avg crosswind: 4.8 kt

Statistics computed from 4,700 METAR observations (Sep 2025 - Mar 2026). Data sourced from official aviation weather services. Updated daily.

Trenton Mercer Airport - Airport Information

Airport Details

ICAO Code: KTTN
IATA Code: TTN
Type: medium airport
Status: active
Elevation: 213 ft MSL

Location

City: Ewing Township
Country: US
Latitude: 40.276699°
Longitude: -74.813499°
Time Zone: Etc/GMT+5

Runway Information

Runway 06/24
Length: 6,006 ft
Width: 150 ft
Surface: ASP
ILS: No
Runway 16/34
Length: 4,800 ft
Width: 150 ft
Surface: ASP
ILS: No

About Trenton Mercer Airport

Overview

Trenton Mercer Airport serves the Greater Trenton area as a medium-sized airport located in Ewing Township, New Jersey. Positioned at an elevation of 213 feet MSL, the airport provides critical aviation infrastructure for the region with two asphalt runways capable of supporting various aircraft operations.

Flying Conditions

Weather conditions at KTTN demonstrate predominantly favorable VFR flying opportunities, with 75.4% of observations reporting visual flight rules. The airport experiences moderate wind conditions, with a prevailing westerly wind at 7.3 knots and occasional gusts up to 24 knots. Temperature variations are significant, ranging from -17°C to 29°C, suggesting pilots should prepare for diverse seasonal conditions.

Notable Features

The airport features two parallel runways: Runway 06/24 at 6,006 feet and Runway 16/34 at 4,800 feet, both constructed with asphalt surfaces. Both runways demonstrate consistent wind alignment, with 100% favorable wind conditions and relatively low average crosswind speeds around 4.7-4.9 knots, providing predictable landing and takeoff environments.

Approach Considerations

Pilots can expect excellent visibility averaging 9 statute miles, with only 3.2% of observations reporting visibility below 3 miles. September, October, and November represent the most consistently favorable VFR months, offering optimal flying conditions. The airport's geographic position and runway configuration support reliable operations across various wind conditions.

Data Sources & Accuracy: Airport information sourced from OurAirports.com, a collaborative database of worldwide airport data. Weather data from official aviation weather services including NOAA Aviation Weather Center and international METAR/TAF providers. Information is updated regularly but pilots should always verify current conditions and NOTAMs through official channels before flight operations.

Official Data Sources

Weather NOAA Aviation Weather Center • International METAR/TAF Network
Airports OurAirports.com • Public domain airport database
NOTAMs FAA NOTAM System • ICAO NOTAM Distribution
Last updated: Jan 1, 1970 12:00 AM UTC

Disclaimer: Data is provided for informational purposes only. Pilots must verify all information through official sources before flight operations. Weather conditions change rapidly; always obtain a current briefing from approved weather services.