KJST/JST METAR & TAF John Murtha Johnstown Cambria County Airport

Johnstown, PennsylvaniaElevation 2,284 ftMedium airport
CURRENT STATUS
VFR45 min old
No ceiling, visibility 10 SM.
FLIGHT CATEGORY
VFR
ceiling & visibility
WIND
270@4
steady
VISIBILITY
10 SM
16.1 km
CEILING
None
no BKN/OVC layer
DENSITY ALT
1,855 ft
-429 ft vs field
CURRENT METAR

Decoded observation

Observed 1554Z (11:54 AM local) · 45 min old

KJST is currently VFR. Winds are from the west at 4 knots. Visibility is 10 statute miles. There is no ceiling.

WIND
270° at 4 kt
Steady.
VISIBILITY
10 statute miles
16.1 km, good.
CEILING & SKY
CLR
FEW and SCT layers are not ceilings.
TEMP / DEWPOINT
12°C / 4°C
54°F / 39°F. 8°C spread.
ALTIMETER
30.53 inHg
1033.9 hPa, above standard.
WEATHER & HAZARDS
No significant hazards
No precipitation or obscuration reported.

Codes in this report: AUTO CLR RMK AO2

Hover or tap any group for a plain-English explanation.

REMARKS: DECODED
AO2
automated station with a precipitation discriminator (can tell rain from snow)
SLP349
sea-level pressure 1034.9 hPa
T01170039
precise temperature 11.7°C, dew point 3.9°C
TERMINAL AERODROME FORECAST

TAF timeline

Issued 1120Z (7:20 AM local) · valid to 1200Z (8:00 AM local)

KJST forecast starts VFR at 12Z. Conditions are roughly steady over the period.

VFR
VFR
1200Z8:00 AM1648Z12:48 PM2136Z5:36 PM0224Z10:24 PM0712Z3:12 AM1200Z8:00 AM

Codes in this report: P6SM SKC SCT

Tap any group to decode it.

FAA: no delays reported at JST.

Source: FAA System Operations (ASWS). Operational status only; verify with official FAA sources and NOTAMs.

SUGGESTED RISK · TRAINING USE

Suggested risk level: Low

›No significant weather concerns in the current report.

A suggested risk level for training and situational awareness only, not a go/no-go authority. Verify with official sources and apply your personal minimums.

FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

Current aviation conditions show flight category VFR, wind from 270° at 4 kt, visibility 10 SM, ceiling none. Forecast suggests this afternoon sunny, high near 61F, low near 38F, 0% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

DayConditionsTemp FWindGustsPrecipPilot note
This Afternoon Sunny 61/38 S 4 kt – 0%
Monday Sunny 62/42 W 8 kt – 2%
Tuesday Mostly Sunny 62/43 N 3 kt – 0%
Wednesday Partly Sunny 60/44 SE 8 kt – 0%
Thursday Mostly Sunny 66/47 SW 8 kt – 3%
Friday Sunny 67/47 W 5 kt – 1%
Saturday Partly Sunny 66/50 S 5 kt – 14%

Source: National Weather Service (office CTP). Forecast issued 1638Z.

Radar

Radar data: NOAA/NWS MRMS composite reflectivity. For situational awareness only, not a substitute for an official weather briefing.

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RUNWAYS & WIND
2 runways · crosswind ranking
ON-FIELD METAR
NESW05231533 270°270°4 kt270°270° 4270°
READING THE BARB · SWIPE FOR MORE →
Calm
5 kt
10 kt
15 kt
20 kt
25 kt
30 kt
35 kt
40 kt
45 kt
50 kt
65 kt
75 kt
100 kt
105 kt
Half feather = 5 kt, full = 10 kt, filled pennant = 50 kt; add them up. The staff points the direction the wind blows from.
WIND USED
270° at 4 kt
Components computed from the current on-field METAR wind.
RECOMMENDED
RWY 233 kt headwind · 3 kt crosswind
RUNWAYS BY WIND · best end
23
HEAD
3 kt
CROSS
3 kt R
BEST
33
HEAD
2 kt
CROSS
3 kt L
OK
15
HEAD
2 kt tail
CROSS
3 kt R
OK
05
HEAD
3 kt tail
CROSS
3 kt L
OK
Components are estimates from the current METAR wind and runway heading. Verify with the Chart Supplement and NOTAMs.
RUNWAYS

Runway detail & declared distances

2 runways · longest 7,004 ft

05/23
Dimensions
4,387 x 100 ft
Surface
Asphalt (good)
Edge lights
MED
RWY 0539°T
Landing length (LDA)4,387 ft
TORA / TODA / ASDA4,387 / 4,387 / 4,387 ft
REILYes
VGSIPAPI (P4L)
Traffic patternLeft
RWY 23219°T
Landing length (LDA)4,387 ft
TORA / TODA / ASDA4,387 / 4,387 / 4,387 ft
REILYes
VGSIVASI (V4L)
Traffic patternLeft
15/33
Dimensions
7,004 x 150 ft
Surface
Concrete (good)
Edge lights
HIGH
RWY 15144°T
Landing length (LDA)6,698 ft
TORA / TODA / ASDA7,004 / 7,004 / 6,698 ft
VGSIVASI (V4L)
Traffic patternLeft
RWY 33324°T
Landing length (LDA)6,484 ft
TORA / TODA / ASDA7,004 / 7,004 / 6,484 ft
ILSILS
Approach lightsMALSR
VGSIPAPI (P4R)
Traffic patternLeft

Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.

FIELD CONDITIONS

Performance & density altitude

Density altitude
1,855 ft
Pressure altitude
1,674 ft
Field elevation
2,284 ft MSL
Temperature
12°C (54°F)
Dewpoint
4°C (39°F)
Altimeter
30.53 inHg

Density altitude estimates how the aircraft performs versus standard atmosphere. Higher density altitude reduces climb performance and increases takeoff distance.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2221Z 6:21 PM
Sunrise
1137Z 7:37 AM
Loggable night
2249Z (6:49 PM local) → 1110Z (7:10 AM local)
end of evening to start of morning civil twilight
Position lights required
2221Z (6:21 PM local) → 1137Z (7:37 AM local)
sunset to sunrise (91.209)
Night passenger currency
2321Z (7:21 PM local) → 1037Z (6:37 AM local)
1 hr after sunset to 1 hr before sunrise (61.57(b))

FAA definitions, shown in Zulu with airport-local time. Verify for your operation.

AIRPORT INFORMATION

Facility & services

John Murtha Johnstown Cambria County Airport is in Johnstown, Pennsylvania. Field elevation 2,284 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPublicly owned
UseOpen to the public
TypeMedium airport
Airline serviceYes
ManagerCORY CREE
Manager phone814-536-0002
AttendedDaily, 0700–2300
CHARTS & AIRSPACE
ICAO / IATAKJST / JST
SectionalDETROIT
Center (ARTCC)CLEVELAND
Flight service (AFSS)ALTOONA
RegionPennsylvania
CountryUnited States
Coordinates40.3161, -78.8339
Distance from city3 NM NE
SERVICES & LIGHTING
Fuel100LL · Jet A · Jet A+
Control towerTowered
Field lightingSee remarks
BeaconSunset to sunrise · White-green (lighted land airport)
CTAF125.750
UNICOM122.950
FREQUENCIES

Communications

118.325
ATIS
ATIS
121.2
CLEVELAND CNTR
CNTR
125.75
CTAF
CTAF
121.6
GND
GND
36.5
KEYSTONE OPS ARNG
OPS
122.65
ALTOONA RDO
RDO
125.75
TWR
TWR
122.95
UNICOM
UNIC
122.950
UNICOM
UNICOM

Not all tower/ground/approach frequencies are in our datasets. Verify with the FAA Chart Supplement.

AIRCRAFT ACTIVITY

KJST traffic patterns

2026-09-09 to 2026-10-21, 9 days observed · data 2026-10-23

Medium confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
1.7
AVG OPS/DAY
2
Activity trend over 6 days: rising, from 2 to 4 operations per dayOperations trend (6 days)

Busiest day: Wed · Busiest month: Sep

FLEET MIX
Unknown 100%

Fleet composition unclear from available data.

TOP AIRCRAFT TYPES
›UNKN (Unknown) · ~10 landings/mo
›P28A (Piston single) · ~0 landings/mo
›PA32 (Piston single) · ~0 landings/mo
Data limitations (4)
›ADS-B coverage is incomplete; counts are an observed lower bound, not official totals.
›Some aircraft do not transmit usable ADS-B and are not counted.
›Aircraft types and based estimates are inferred and may be wrong.
›This is not official ATC, FAA, or airport data.
NEARBY AIRPORTS

Weather reference stations

Current flight category at nearby reporting stations.

AIRPORT REMARKS

Operational remarks

›ARNG: RSTD PPR 24 HR, CALL DUR NML DUTY HOURS 1300-2130Z++ EXC WKEND AND HOL. CTC OPS C814-532-7720. ALL TFC TO ARNG MILITARY RAMP CTC KEYSTONE OPS: 138.55, 241.35, 46.75, RAMP DECONFLICTION 46.75.
›FOR CD CTC JOHNSTOWN APCH AT 814-532-5960, WHEN APCH CLSD CTC CLEVELAND ARTCC AT 440-774-0213.
›UNICOM FREQ 122.950 AVBL FOR GND SVCS ONLY.
›WHEN TWR CLSD ACTVT MALSR RWY 33; PAPI RWY 33; HIRL RWY 15/33, MIRL RWY 5/23 AND ALL TWY LGTS - CTAF. PAPI RWY 05 UNAVBL WHEN ATCT CLSD.
›PCR VALUE: 630/R/B/W/T
›TWY B BTN RWY 05/23 AND TWY B2 RSTRD TO ACFT WITH WINGSPAN 78 FT OR LESS.
›48 HR PPR FOR UNSKED ACR OPS WITH MORE THAN 30 PAX SEATS; CALL AMGR 814-536-0002.
›PCR VALUE: 240/F/D/X/T
›2S-110.
›DEER & BIRDS ON & INVOF ARPT.
FREQUENTLY ASKED
Does KJST have a METAR?
Yes. KJST has a current METAR observation, decoded into plain English on this page.
Does KJST have a TAF?
Yes, a TAF is issued for KJST; the decoded forecast timeline is shown above.
What is the field elevation at KJST?
KJST sits at 2,284 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for KJST?
No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.
This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.