| KABE | Allentown | Lehigh Valley International Airport |
| KAFJ | Washington | Washington Automatic Weather Observing / Reporting System |
| KAGC | Pittsburgh | Allegheny County Airport |
| KAOO | Altoona | Altoona-Blair County Airport |
| KAVP | Wilkes-Barre - Scranton | Wilkes-Barre / Scranton International Airport |
| KBFD | Bradford | Bradford Regional Airport |
| KBTP | Butler | Butler County Automatic Weather Observing / Reporting System |
| KBVI | Beaver Falls | Beaver Falls Airport |
| KCXY | Harrisburg | Capital City Airport |
| KDUJ | Du Bois | Du Bois-Jefferson County Airport |
| KDYL | Doylestown | Doylestown Airport |
| KERI | Erie | Erie International Airport |
| KFIG | Clearfield | Clearfield-Lawrence Airport |
| KFKL | Franklin | Franklin Automatic Weather Observing / Reporting System |
| KGKJ | Meadville | Port Meadville Airport |
| KIDI | Indiana | Indiana / Stewart Field |
| KIPT | Williamsport | Williamsport-Lycoming County Airport |
| KJST | Johnstown | Johnstown-Cambria County Airport |
| KLBE | Latrobe | Latrobe / Westmorland |
| KLNS | Lancaster | Lancaster Airport |
| KMDT | Harrisburg | Harrisburg International Airport |
| KMPO | Mount Pocono | Pocono Mountains Municipal Airport |
| KMUI | Muir Army Air Field | Muir Army Air Field / Indiantown |
| KNXX | Willow Grove | Naval Air Station |
| KPHL | Philadelphia | Philadelphia International Airport |
| KPIT | Pittsburgh | Pittsburgh International Airport |
| KPNE | Philadelphia | Northeast Philadelphia Airport |
| KPSU | Rock Springs | Rock Springs (Penn State) ASOS |
| KPTW | Pottstown | Pottstown Limerick Airport |
| KRDG | Reading | Reading Regional Airport |
| KSEG | Selinsgrove | Penn Valley Airport |
| KTHV | York | York Airport |
| KUNV | State College | State College |
| KABE |
ALLENTOWN |
Lehigh Valley International Airport |
| KAFJ |
WASHINGTON |
Washington Automatic Weather Observing / Reporting System |
| KAGC |
PITTSBURGH AGC |
Allegheny County Airport |
| KAOO |
ALTOONA |
Altoona-Blair County Airport |
| KAVP |
SCRANTON |
Wilkes-Barre / Scranton International Airport |
| KBFD |
BRADFORD |
Bradford Regional Airport |
| KBTP |
BUTLER |
Butler County Automatic Weather Observing / Reporting System |
| KBVI |
BEAVER FALLS |
Beaver Falls Airport |
| KCXY |
CAPITAL CITY |
Capital City Airport |
| KDUJ |
DUBOIS |
Du Bois-Jefferson County Airport |
| KDYL |
DOYLESTOWN |
Doylestown Airport |
| KERI |
ERIE |
Erie International Airport |
| KFIG |
CLEARFIELD |
Clearfield-Lawrence Airport |
| KFKL |
FRANKLIN |
Franklin Automatic Weather Observing / Reporting System |
| KGKJ |
MEADVILLE |
Port Meadville Airport |
| KIDI |
INDIANA |
Indiana / Stewart Field |
| KIPT |
WILLIAMSPORT |
Williamsport-Lycoming County Airport |
| KJST |
JOHNSTOWN |
Johnstown-Cambria County Airport |
| KLBE |
LATROBE |
Latrobe / Westmorland |
| KLNS |
LANCASTER |
Lancaster Airport |
| KLOM |
WINGS FIELD APT |
Wings Field Airport |
| KMDT |
MIDDLETOWN |
Harrisburg International Airport |
| KMPO |
MOUNT POCONO |
Pocono Mountains Municipal Airport |
| KMUI |
MUIR ARMY AIR FIELD |
Muir Army Air Field / Indiantown |
| KNXX |
WILLOW GROVE |
Naval Air Station |
| KPHL |
PHILADELPHIA |
Philadelphia International Airport |
| KPIT |
PITTSBURGH |
Pittsburgh International Airport |
| KPNE |
PHILADELPHIA NE |
Northeast Philadelphia Airport |
| KPTW |
POTTSTOWN |
Pottstown Limerick Airport |
| KRDG |
READING |
Reading Regional Airport |
| KSEG |
SELINSGROVE |
Penn Valley Airport |
| KTHV |
YORK |
York Airport |
| KUKT |
QUAKERTOWN ARP |
Quakertown Airport |
| KUNV |
UNIVERSITY PARK |
University Park Airport |
