Wattay International Airport

VLVT / VTE

Vientiane, LA

Last Updated
Apr 22, 17:00Z

Current Weather

Display Units
Stale 6 hours ago
17:00Z

🌙 Night
MVFR
Flight Rules
30°C
Temperature
Dewpoint: 25°C
4 kt
120°
5 km
Visibility
Ceiling
Unlimited
1005 hPa
QNH
Altimeter Setting

Raw METAR

METAR VLVT 221700Z 12004KT 5000 HZ NSC 30/25 Q1005 NOSIG

Weather Briefing

MVFR

Wattay International Airport is currently reporting marginal VFR (MVFR) conditions with clear skies and 5 km visibility. Note: This observation is 5.8 hours old and conditions may have changed.

Wind Analysis

Winds are from the east-southeast (120°) at 4 knots.

Visibility & Ceiling

Visibility is 5 km, below VFR minimums in some airspace classifications. Check local requirements before departing VFR. Skies are clear with unlimited ceiling.

Temperature & Moisture

Temperature is 30°C (86°F) with a dewpoint of 25°C, indicating moderate moisture conditions.

Forecast Outlook

The TAF forecast covers the next 24 hours. Conditions are expected to remain MVFR throughout the forecast period. Expected weather includes: Haze.

Pilot Recommendations

VFR pilots should exercise caution. Consider filing IFR if instrument rated, or postponing the flight if conditions are expected to deteriorate further.

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

QNH
1005 hPa
Sea Level Pressure
For altitude above MSL
QFE
986 hPa
Field Pressure
Height above aerodrome (564 ft)
Pressure Alt
812 ft
QNE Reference
Standard: 1013 hPa
Density Altitude: 2,747 ft (High - Reduced Performance)
ISA Deviation: +16.1°C

Forecast (TAF)

View Full TAF
Raw TAF
TAF VLVT 221700Z 2218/2318 12004KT 5000 HZ FEW050 FEW200
Upcoming Changes (Next 12 Hours)
22:48Z BASE
+0h
MVFR 120° 4 kt
Visibility: 5 km
Haze

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
  • • Hover for exact values and timestamps
  • • Click legend items to toggle data series
  • • Zoom and pan for detailed analysis
  • • Units automatically converted to preferences
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
LVT
13 ✈️
31

Runway Information

Runway Length Width Surface Heading Wind Component
✈️ 13/31
Active: 13
9,843 ft 148 ft ASP 135°
3.9 kt 0.7 kt
10° angle
🟢 Active Runway: Best headwind component for current conditions
⬆️ Headwind: Favorable wind component
↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

Weather Statistics - VLVT

6,697 observations | Sep 2025 - Apr 2026

Flight Rules Distribution

VFR
14.3%
MVFR
85.2%
IFR
0.5%
LIFR
0%

Wattay International Airport is frequently affected by reduced visibility conditions, with VFR weather only 14.3% of the time and IFR/LIFR conditions occurring in 0.5% of observations. Prevailing winds are from the N averaging 3.8 knots. Calm conditions occur 12.9% of the time. Temperatures typically range between 10°C and 40°C with an average of 26.5°C. The best months for VFR flying are October, September, November.

Wind Analysis

Prevailing Direction: N (0°)
Average Speed: 3.8 kt
Maximum Recorded: 14 kt
Calm Winds: 12.9%
Direction Distribution:
N
16.3%
NE
9%
E
12.3%
SE
15%
S
13.2%
SW
12.5%
W
3.2%
NW
5.7%

Temperature Range

Average: 26.5°C
Range: 10°C to 40°C
10°C 40°C

Visibility

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

Best Months for VFR

October September November

Runway Wind Analysis

Runway 13/31
Favorable wind: 100%
Avg crosswind: 2.2 kt

Statistics computed from 6,697 METAR observations (Sep 2025 - Apr 2026). Data sourced from official aviation weather services. Updated daily.

Wattay International Airport - Airport Information

Airport Details

ICAO Code: VLVT
IATA Code: VTE
Type: medium airport
Status: active
Elevation: 564 ft MSL

Location

City: Vientiane
Country: LA
Latitude: 17.988300°
Longitude: 102.563004°
Time Zone: Etc/GMT-7

Runway Information

Runway 13/31
Length: 9,843 ft
Width: 148 ft
Surface: ASP
ILS: No

About Wattay International Airport

Overview

Wattay International Airport serves Vientiane, the capital city of Laos, as a medium-sized international airport. Located at 17.988300, 102.563004 with an elevation of 564 ft MSL, the airport provides critical aviation infrastructure for the region. Its single runway (13/31) spans 9,843 feet with an asphalt surface, accommodating various aircraft types.

Flying Conditions

Weather conditions at Wattay are predominantly Marginal VFR (MVFR), with 80.8% of observations in this category and only 18.6% pure VFR. Temperatures range from 10°C to 35°C with an average of 25.1°C. Wind patterns are consistent from the north (0°) at an average of 3.7 knots, with maximum gusts reaching 14 knots and calm conditions present 13.8% of the time.

Notable Features

The airport's primary runway (13/31) demonstrates excellent wind alignment, with favorable wind conditions 100% of the time. Average crosswind component is minimal at 2.2 knots. The airport experiences consistently good visibility, with an average of 10 statute miles and no reported instances of fog or visibility below 3 miles.

Approach Considerations

October, September, and November represent the best VFR months for operations. Pilots should anticipate predominantly MVFR conditions and plan accordingly. The stable wind patterns and low crosswind values suggest relatively straightforward approach and landing conditions for most aircraft types.

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.