Incheon International Airport

RKSI / ICN

Seoul, KR

Last Updated
Apr 22, 15:00Z

Current Weather

Display Units
Fresh 20 min ago
15:00Z

☀️ Day
VFR
Flight Rules
11°C
Temperature
Dewpoint: 8°C
9 kt
310°
--
Visibility
Ceiling
Unlimited
1013 hPa
QNH
Altimeter Setting

Raw METAR

METAR RKSI 221500Z 31009KT CAVOK 11/08 Q1013 NOSIG

Weather Briefing

VFR

Incheon International Airport is currently reporting visual flight rules (VFR) conditions with clear skies.

Wind Analysis

Winds are from the northwest (310°) at 9 knots. Runway 33 is favored with a 8-knot headwind and 3-knot crosswind component.

Visibility & Ceiling

Skies are clear with unlimited ceiling.

Temperature & Moisture

Temperature is 11°C (52°F) with a dewpoint of 8°C. The narrow temperature-dewpoint spread suggests high humidity and potential for visibility restrictions, especially during cooling periods.

Forecast Outlook

The TAF forecast covers the next 30 hours. Conditions are expected to remain VFR throughout the forecast period.

Pilot Recommendations

Conditions are favorable for visual flight. The narrow temperature-dewpoint spread creates risk of fog formation, particularly during evening and early morning hours.

This briefing is generated from real-time METAR and TAF data. Always verify with official sources before flight.

QNH
1013 hPa
Sea Level Pressure
For altitude above MSL
QFE
1012 hPa
Field Pressure
Height above aerodrome (23 ft)
Pressure Alt
31 ft
QNE Reference
Standard: 1013 hPa
Density Altitude: -443 ft
ISA Deviation: -4.0°C

Forecast (TAF)

View Full TAF
Raw TAF
TAF RKSI 221100Z 2212/2318 36007KT CAVOK TN09/2221Z TX21/2305Z BECMG 2315/2317 16007KT
Upcoming Changes (Next 12 Hours)
15:19Z BASE
+0h
VFR 360° 7 kt
Visibility: >10km

24-Hour Weather Evolution

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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
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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
KSI
15L
33R ✈️
15R
33L ✈️
16L
34R ✈️
16R
34L ✈️

Runway Information

Runway Length Width Surface Heading Wind Component
✈️ 15L/33R
Active: 33R
12,303 ft 197 ft ASPH 145°
8.5 kt 3.1 kt
20° angle
✈️ 15R/33L
Active: 33L
12,303 ft 197 ft ASPH 145°
8.5 kt 3.1 kt
20° angle
✈️ 16L/34R
Active: 34R
13,123 ft 197 ft ASPH 145°
7.8 kt 4.5 kt
30° angle
✈️ 16R/34L
Active: 34L
12,303 ft 197 ft ASPH 145°
7.8 kt 4.5 kt
30° angle
🟢 Active Runway: Best headwind component for current conditions
⬆️ Headwind: Favorable wind component
↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

Weather Statistics - RKSI

9,951 observations | Sep 2025 - Apr 2026

Flight Rules Distribution

VFR
72.6%
MVFR
17.5%
IFR
6.3%
LIFR
3.6%

Incheon International Airport typically experiences VFR conditions 72.6% of the time, though instrument-rated pilots will find IFR weather present approximately 9.9% of observations. Prevailing winds are from the NW averaging 7.6 knots, with gusts recorded up to 32 knots. Temperature extremes range from -12°C to 32°C, reflecting significant seasonal variation. The best months for VFR flying are January, September, November.

Wind Analysis

Prevailing Direction: NW (315°)
Average Speed: 7.6 kt
Maximum Recorded: 32 kt
Calm Winds: 0.1%
Direction Distribution:
N
14.6%
NE
16.1%
E
7.4%
SE
11.9%
S
6.7%
SW
4.8%
W
14.7%
NW
23.6%

Temperature Range

Average: 7.1°C
Range: -12°C to 32°C
-12°C 32°C

Visibility

Average: 10 SM
Below 3 SM: 0%
Fog Frequency: 4.8%

Best Months for VFR

January September November

Runway Wind Analysis

Runway 15L/33R
Favorable wind: 100%
Avg crosswind: 3.9 kt
Runway 15R/33L
Favorable wind: 100%
Avg crosswind: 3.9 kt
Runway 16L/34R
Favorable wind: 100%
Avg crosswind: 4.2 kt
Runway 16R/34L
Favorable wind: 100%
Avg crosswind: 4.2 kt

Statistics computed from 9,951 METAR observations (Sep 2025 - Apr 2026). Data sourced from official aviation weather services. Updated daily.

Incheon International Airport - Airport Information

Airport Details

ICAO Code: RKSI
IATA Code: ICN
Type: large airport
Status: active
Elevation: 23 ft MSL

Location

City: Seoul
Country: KR
Latitude: 37.469101°
Longitude: 126.450996°
Time Zone: Europe/Moscow

Runway Information

Runway 15L/33R
Length: 12,303 ft
Width: 197 ft
Surface: ASPH
ILS: No
Runway 15R/33L
Length: 12,303 ft
Width: 197 ft
Surface: ASPH
ILS: No
Runway 16L/34R
Length: 13,123 ft
Width: 197 ft
Surface: ASPH
ILS: No
Runway 16R/34L
Length: 12,303 ft
Width: 197 ft
Surface: ASPH
ILS: No

About Incheon International Airport

Overview

Incheon International Airport serves as the primary international gateway for Seoul, South Korea, located near the capital city. As a large international airport positioned at 23 ft mean sea level, it provides critical connectivity for both passenger and cargo operations in Northeast Asia. The airport features four substantial runways, each over 12,000 feet long, capable of handling wide-body aircraft and extensive international traffic.

Flying Conditions

The airport's coastal location near Seoul influences its meteorological characteristics, with potential for variable wind conditions across its four runways. Pilots should anticipate potential maritime weather influences, including seasonal wind shifts and potential low visibility periods. The airport's four parallel runway configuration (two 12,303 ft and two 13,123 ft asphalt runways) provides significant operational flexibility during diverse weather conditions.

Notable Features

Situated at coordinates 37.469101, 126.450996, Incheon International Airport is positioned in a relatively flat coastal region with minimal immediate terrain restrictions. The airport's runway configuration allows for multiple approach and departure options, with two sets of parallel runways offering operational redundancy. Its low elevation of 23 ft MSL contributes to generally stable approach conditions with minimal altitude-related complications.

Approach Considerations

Runway selections will likely depend on prevailing wind directions, with the 15/33 and 16/34 orientations providing wind-adaptive approach options. The substantial runway lengths (all exceeding 12,000 feet) offer significant margin for diverse aircraft types and potential challenging meteorological conditions. Pilots should prepare for potential maritime wind influences during approach and landing phases.

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.