WxDecoder

7G4 Weather Blue Knob Valley Airport

Duncansville, PennsylvaniaElevation 1,270 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: KAOO · 9 NM SE · 46 min old
No ceiling, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KAOO
WIND
180@5
steady
VISIBILITY
10 SM
16.1 km
CEILING
None
no BKN/OVC layer
FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

No aviation METAR is published for this airport. The nearest National Weather Service station reports wind from 220° at 3 kt, visibility 10 SM, temperature 10C. Treat this as supplemental, not an aviation observation. Forecast suggests tonight mostly clear, low near 36F, 0% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

DayConditionsTemp FWindGustsPrecipPilot note
Tonight Mostly Clear 36 SW 3 kt – 0%
Monday Sunny 70/44 W 5 kt – 0%
Tuesday Mostly Sunny 67/41 N 2 kt – 0%
Wednesday Partly Sunny 65/44 SE 5 kt – 0%
Thursday Sunny 74/49 SW 3 kt – 1%
Friday Sunny 74/49 W 4 kt – 1%
Saturday Partly Sunny 72/52 SW 3 kt – 7%
Sunday Chance Rain Showers 69 S 4 kt – 42%

Source: National Weather Service (office CTP). Forecast issued 0038Z.

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
Crosswind calculator
No runway layout is available for 7G4. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

1 runway · longest 3,415 ft

11/29
Dimensions
3,415 x 89 ft
Surface
Gravel (good)
RWY 11
Displaced threshold300 ft
Traffic patternLeft
RWY 29
Traffic patternRight

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

FIELD CONDITIONS

Field elevation

Field elevation
1,270 ft MSL

Density and pressure altitude need a current temperature and altimeter from the METAR.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2219Z 6:19 PM
Sunrise
1136Z 7:36 AM
Loggable night
2247Z (6:47 PM local) → 1108Z (7:08 AM local)
end of evening to start of morning civil twilight
Position lights required
2219Z (6:19 PM local) → 1136Z (7:36 AM local)
sunset to sunrise (91.209)
Night passenger currency
2319Z (7:19 PM local) → 1036Z (6:36 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

Blue Knob Valley Airport is in Duncansville, Pennsylvania. Field elevation 1,270 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeSmall airport
ManagerBERNARD STAPELFELD
Manager phone814-329-5750
AttendedUNATNDD
CHARTS & AIRSPACE
ICAO / IATA7G4
SectionalDETROIT
Center (ARTCC)CLEVELAND
Flight service (AFSS)ALTOONA
RegionPennsylvania
CountryUnited States
Coordinates40.3965, -78.4537
Distance from city1 NM W
SERVICES & LIGHTING
Control towerNon-towered
UNICOM122.800
FREQUENCIES

Communications

122.800
UNICOM
UNICOM

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

AIRCRAFT ACTIVITY

Traffic patterns

Aircraft activity data is not available for this airport yet.

NEARBY AIRPORTS

Weather reference stations

7G4 has no on-field report. Nearest reporting station: KAOO (9 NM SE, VFR).

KAOO Altoona Blair County Airport
9 NM SE
VFR
KJST John Murtha Johnstown Cambria County Airport
18 NM W
VFR
KIDI Indiana County–Jimmy Stewart Airport
33 NM NW
VFR
KUNV State College Regional Airport
39 NM NE
VFR
KRVL Mifflin County Airport
41 NM NE
VFR
KLBE Arnold Palmer Regional Airport
44 NM W
VFR
AIRPORT REMARKS

Operational remarks

›APCH RATIO 20:1 TO DSPLCD THLD.
›SFC IS ROLLED SLATE.
›RWY MARKED WITH YELLOW BARRELS.
›RY 11 DSPLCD THLD MKD WITH YELLOW L'S EACH SIDE.
›LOOSE STONES ON RWY. LOOSE STONES & TALL GRASS ON TWY & RAMP.
›FOR CD CTC JOHNSTOWN APCH AT 814-532-5960, WHEN APCH CLSD CTC CLEVELAND ARTCC AT 440-774-0234.
›VFR ONLY.
›RWY MAY NOT BE MAINTAINED DURING WINTER; CALL PRIOR TO USE.
›ARPT SURROUNDED BY MOUNTAINS.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗7G4 on OurAirports
FREQUENTLY ASKED
Does 7G4 have a METAR?
No on-field METAR is issued for 7G4. This page uses the nearest reporting station as a reference.
Does 7G4 have a TAF?
No TAF is issued directly for 7G4. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at 7G4?
7G4 sits at 1,270 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for 7G4?
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.