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Datamask Aviation
METAR · TAF · OPMET
RKSO· OSN· Pyeongtaek

Osan Air Base

medium airport · elevation 38 ft (12 m)
20:15Z 10:57Z Day
Current METARVFR
53 min ago·20:55Z
RKSO 262055Z AUTO 00000KT 10SM CLR 19/18 A2968 RMK AO2 LTG DSNT NE SLP054 T01880183 53006 FZRANO $
Wind
Calm
Visibility
10 SM
Ceiling
CLR
Temperature
19°C / 18°C
temp / dew
QNH
1005 hPa
29.68 inHg
Clouds
CLR
Weather
Station
RKSO
Remarks
automated station with a precipitation discriminator LTG DSNT NE sea level pressure of 1005.4 HPa hourly temperature of 18.8°C and dew point of 18.3°C Decrease or steady, then increase; or increase then increase more rapidly of 0.6 hectopascals in the past 3 hours FZRANO
Active hazards (US/Canada coverage via AviationWeather.gov)AWC
No active hazards within 250 km.
Wind & Runways
NESW0 kt000°
Wind arrow points downwind.
Runways
09L/27R2744 mCON
09R/27L2744 mCON
37.0915°, 127.0294°© CARTOOpen in OSM →
Density altitude
750 ft
elevation 38 ft
ISA deviation
+4.1°C
Frequencies (community-maintained, cross-check AIP)RKSO
  • ATIS132.125
  • CLDCLNC DEL127.300
  • GND132.450
  • TWR122.100
  • APP127.900
  • DEP127.900
  • PMSVPMSV METRO34.650
  • PTD120.700
Navaids near airportassoc. RKSO
IdentTypeFreqPower
OSNVORTAC114.70 MHzHIGH
Runways2

Physical runway length only — TORA/LDA are not declared in our reference database; consult the AIP.

  • RWY 09L/27R9,004 ft (2,744 m)
    Surface
    CON
    Lighting
    Lit
    ILS
  • RWY 09R/27L9,004 ft (2,744 m)
    Surface
    CON
    Lighting
    Lit
    ILS
24-hour trend (Iowa State IEM)
No 24-h trend available — IEM archive.
24-hour wind rose (IEM ASOS, 16 direction bins)
24-hour wind rose unavailable (insufficient IEM data).
Airport diagram (OpenStreetMap)Osan Air Base
27L09R27R09L
Terminal Aerodrome Forecast
Issued 2026/06/26 21:12 UTC
MVFRBASE26/21Z → 26/23ZVRB4KT · 6 km · BR · SKC
Wind: VRB4KT
Visibility: 6 km
Weather: BR
Clouds: SKC
TAF RKSO 262100Z 2621/2803 VRB04KT 6000 BR SKC QNH2965INS
VFRBECMG26/23Z → 27/00Z0406KT · ≥10 km · NSW · SKC
Wind: 0406KT
Visibility: ≥10 km
Weather: NSW
Clouds: SKC
BECMG 2623/2624 04006KT 9999 NSW SKC QNH2964INS
VFRBECMG27/08Z → 27/09ZVRB5KT · ≥10 km · SKC
Wind: VRB5KT
Visibility: ≥10 km
Clouds: SKC
BECMG 2708/2709 VRB05KT 9999 SKC QNH2964INS
MVFRBECMG27/16Z → 17/17ZVRB4KT · 6 km · BR · SKC
Wind: VRB4KT
Visibility: 6 km
Weather: BR
Clouds: SKC
BECMG 2716/1717 VRB04KT 6000 BR SKC QNH2974INS TX31/2705Z TN19/2621Z
Raw TAF
TAF RKSO 262100Z 2621/2803 VRB04KT 6000 BR SKC QNH2965INS BECMG 2623/2624 04006KT 9999 NSW SKC QNH2964INS BECMG 2708/2709 VRB05KT 9999 SKC QNH2964INS BECMG 2716/1717 VRB04KT 6000 BR SKC QNH2974INS TX31/2705Z TN19/2621Z
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