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METAR · TAF · OPMET
KJST· JST· Johnstown

John Murtha Johnstown Cambria County Airport

medium airport · elevation 2,284 ft (696 m)
10:25Z 00:03Z Day
Current METARVFR
23 min ago·20:54Z
KJST 242054Z AUTO 27012G19KT 10SM SCT075 SCT095 23/07 A2979 RMK AO2 SLP074 T02330067 56010
Wind
270° 12 kt (gust 19 kt)
Visibility
10 SM
Ceiling
Temperature
23°C / 7°C
temp / dew
QNH
1009 hPa
29.79 inHg
Clouds
SCT 7,500ft, SCT 9,500ft
Weather
Station
KJST
Remarks
automated station with a precipitation discriminator sea level pressure of 1007.4 HPa hourly temperature of 23.3°C and dew point of 6.7°C Decrease then steady; or decrease then decrease more slowly of 1 hectopascals in the past 3 hours
Active hazards (US/Canada coverage via AviationWeather.gov)AWC
SIGMET / AIRMET (1)
  • SIGMETCONVECTIVESEV
    24 20:55Z24 22:55Z
    SFC – 25,000 ft
PIREPs (0)
None reported in area.
Wind & Runways
NESW12 kt270°G19
Wind arrow points downwind.
Runways
05/231337 mASP
15/332135 mASP
Runway components
RunwayHead/TailCrosswind
RWY 05/23TW 8 ktXW 9 kt L
RWY 15/33TW 7 ktXW 10 kt R
40.3161°, -78.8339°© CARTOOpen in OSM →
Runway suitabilityconservative GA limits
RunwayStatusHW (kt)XW (kt)Flags
RWY 05/23 (use 23)PreferredHW 89 R
RWY 15/33 (use 33)UsableHW 710 L
Density altitude
3,901 ft
elevation 2,284 ft
ISA deviation
+12.5°C
large deviation
Frequencies (community-maintained, cross-check AIP)KJST
  • ATIS118.325
  • GND121.600
  • TWR125.750
  • CNTRCLEVELAND CNTR121.200
  • CTAF125.750
  • OPSKEYSTONE OPS ARNG36.500
  • RDOALTOONA RDO122.650
  • UNICUNICOM122.950
Navaids near airportassoc. KJST
IdentTypeFreqPower
JSTVORTAC113.00 MHzMEDIUM
Runways2

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

  • RWY 05/234,387 ft (1,337 m)
    Surface
    ASP
    Lighting
    Lit
    ILS
  • RWY 15/337,004 ft (2,135 m)
    Surface
    ASP
    Lighting
    Lit
    ILS
24-hour trend (Iowa State IEM)KJST
Wind6 kt
Vis16.1 km
Temp19°C
QNH1013 hPa
24-hour wind rose (IEM ASOS, 16 direction bins)n=306
NESWCALM0%
3–6 kt
6–10 kt
10–16 kt
16–22 kt
>22 kt
Airport diagram (OpenStreetMap)John Murtha Johnstown Cambria County Airport
05231533
Terminal Aerodrome Forecast
Issued 2026/04/24 19:09 UTC
VFRBASE24/19Z → 25/00Z25012G21KT · 6 SM · BKN060
Wind: 25012G21KT
Visibility: 6 SM
Clouds: BKN060
TAF KJST 241907Z 2419/2518 25012G21KT P6SM BKN060
VFRPROB3024/19Z → 25/00Z6 SM · -SHRA
Visibility: 6 SM
Weather: -SHRA
PROB30 2419/2424 6SM -SHRA
VFRFM25/00Z → 25/06Z2405KT · 6 SM · OVC100
Wind: 2405KT
Visibility: 6 SM
Clouds: OVC100
FM250000 24005KT P6SM OVC100
MVFRFM25/06Z → 25/13Z1805KT · 5 SM · -SHRA · OVC030
Wind: 1805KT
Visibility: 5 SM
Weather: -SHRA
Clouds: OVC030
FM250600 18005KT 5SM -SHRA OVC030
IFRFM25/13Z → 25/18Z1707KT · 3 SM · -DZ BR · OVC007
Wind: 1707KT
Visibility: 3 SM
Weather: -DZ BR
Clouds: OVC007
FM251300 17007KT 3SM -DZ BR OVC007
Raw TAF
TAF KJST 241907Z 2419/2518 25012G21KT P6SM BKN060 PROB30 2419/2424 6SM -SHRA FM250000 24005KT P6SM OVC100 FM250600 18005KT 5SM -SHRA OVC030 FM251300 17007KT 3SM -DZ BR OVC007
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