Tainan International Airport / Tainan Air Base METAR RCNN

LIFRLarge AirportElev. 19 m (63 ft)

Tainan International Airport / Tainan Air Base is situated in Tainan (Rende), Taiwan. The ICAO code of Tainan International Airport / Tainan Air Base is RCNN and the IATA code is TNN.
It has 2 runways: Concrete runway 18L/36R with a length of 3,050 m, Concrete runway 18R/36L with a length of 3,050 m.
The elevation is 19 m (63 ft). Its coordinates are:

2026-08-22 21:30 UTC

Website Wikipedia

Flight Cat

LIFR

Temp

24°C

Wind

10kt

Visibility

1.6km

Ceiling

1,000ft

QNH

1003hPa

Raw METAR

METAR RCNN 222130Z 15010KT 1600 +SHRA SCT004 BKN010 OVC020 24/24 Q1003 NOSIG RMK A2962

Decoded

Wind: From 150° (SSE) at 10 kt
Visibility: 1.6 km
Weather: Heavy Showers Rain
Sky: Scattered (3–4 oktas) at 400 ft (122 m) · Broken (5–7 oktas) at 1,000 ft (305 m) · Overcast (8 oktas) at 2,000 ft (610 m)
Temp / DP: 24°C (75°F) · Dew point 24°C (75°F)
QNH: 1003 hPa · 29.62 inHg

TAF

Valid 22 Aug 18:00 UTC – 23 Aug 18:00 UTC

Raw TAF

TAF RCNN 221700Z 2218/2318 12006KT 2400 RA BR SCT006 BKN012 BKN025 TX27/2305Z TN23/2220Z TEMPO 2219/2224 1600 TSRA BKN008 FEW010CB OVC020 BECMG 2301/2304 22010KT 4000 RA BR SCT006 BKN016 OVC030 TEMPO 2306/2311 7000 -RA SCT008 BKN021 BKN040

VFRMVFRIFRLIFRTEMPO / INTER

18:00Sun 23 Aug06:0012:0018:00NOW

Sat 22 Aug

BASE18:00 – 01:00 UTC

120° / 6 kt2.4 kmRain, MistSCT 600ft · BKN 1,200ft · BKN 2,500ft

IFR

TEMPO19:00 – 00:00 UTC

1.6 kmThunderstorm RainBKN 800ft · FEW 1,000ft CB · OVC 2,000ft

LIFR

Sun 23 Aug

BECMG01:00 – 18:00 UTC

220° / 10 kt4 kmRain, MistSCT 600ft · BKN 1,600ft · OVC 3,000ft

IFR

TEMPO06:00 – 11:00 UTC

7 kmLight RainSCT 800ft · BKN 2,100ft · BKN 4,000ft

MVFR

Forecast via NOAA Aviation Weather Center

Runways

Arrow tail (crossbar) = wind FROM · head = toward aircraft · center = direction & speed

Runway	Heading	Length	Surface	Wind Offset	Headwind	Crosswind
18L ★ best	179°	3,050 m	Concrete	29°	↑ 9 kt	5 kt L
36R	359°	3,050 m	Concrete	151°	↓ 9 kt	5 kt R
18R	179°	3,050 m	Concrete	29°	↑ 9 kt	5 kt L
36L	359°	3,050 m	Concrete	151°	↓ 9 kt	5 kt R

Runway data via OurAirports.com · ft converted to metres · Wind offset: 0° = headwind, 90° = crosswind, 180° = tailwind

Sunrise & Sunset

—

Sunrise21:36 UTC

Sunset10:27 UTC

Daylight:12h 50m

00:0006:0012:0018:0024:00

DaytimeNow

Nearby Weather

ICAO	Airport	Distance	Category	Wind	Visibility	Sky	Temp
RCKH	—	44 km	LIFR	150° 13 G24 kt	1 km	BKN 600ft	26°C
RCQC	—	91 km	MVFR	120° 9 kt	> 10 km	BKN 1400ft	27°C
RCMQ	—	152 km	VFR	170° 2 kt	> 10 km	FEW 1000ft	25°C

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