Storm Station
Greencastle, Pennsylvania
60°
Overcast· Feels like 60°·Gentle breeze 9 mph NNW
Rain likely. Cloudy, with a high near 66. North wind 14 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
-UV
-Air quality
75%Humidity
97%Cloud

What is measuring near here

The 4 instruments nearest Greencastle, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.3 miles away.

measured now2 instruments

I-81 Franklin MM11 NBPA078

Beside a road/6.5 mi away/656 ft/64 ft above here

temp, pavement temp, wind, visibility, precip

Rank478of 544

Liberty - Raven RockXIF

At an airfield/16.3 mi away/1,141 ft/549 ft above here

temp, wind, gust, visibility, precip, pressure

Rank20of 544

measured daily2 instruments

Greencastle 0.3 SPA-FN-18

In a volunteer observer's own ground/0.3 mi away/607 ft/15 ft above here

precip, snowfall, snow depth

Rank-

Chambersburg 1 ESECHMP1

At a cooperative observer's station/11.1 mi away/643 ft/51 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Liberty - Raven Rock, drawn

The nearest airport reporting now, 16.3 mi from Greencastle. From its report of Sep 27, 2026, 9:59 AM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 7 mi.

Section of the sky over Liberty - Raven Rock, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 7 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT XIFFIG. A THE SKY OVER LIBERTY - RAVEN ROCKSECTION, HEIGHT ABOVE THE STATION TO SCALE, EACH LAYER AT THE HEIGHT OF ITS BASE AS REPORTED; COVER IN EIGHTHS OF THE SKY; TOPS NOT MEASUREDFT ABOVE THE STATION05001,0001,5002,0002,5003,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETNO CLOUD DETECTED BELOW 12,000 FTVISIBILITY, MILES: 7 MI0510TITLELiberty - Raven Rock, the skySTATION REPORT · ASOS XIFTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-XIF-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

60.8 F with a dew point of 53.6 F, 77 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,700 ft up.

Chart of the air at Liberty - Raven Rock: temperature 60.8 degrees Fahrenheit and dew point 53.6, 77 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,700 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT XIFFIG. B THE AIR AT LIBERTY - RAVEN ROCKTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00040 F50 F60 F70 FSATURATES 1,700 FT ABOVE THE STATION, AT 51.9 FTEMPERATURE 60.8 FDEW POINT 53.6 FSPREAD 7.2 FRELATIVE HUMIDITY 77 PER CENTTHE AIR COOLS ABOUT 5.4 F EACH 1,000 FT IT RISES, AND ITS DEW POINT ABOUT 1 FSOLID: THE LIFTED AIR'S TEMPERATURE; DASHED: ITS DEW POINTTITLELiberty - Raven Rock, the airSTATION REPORT · ASOS XIFTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-XIF-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north (10 degrees) at 3 mph: force 1, a light air on the Beaufort scale.

Plan of the wind at Liberty - Raven Rock, north up: blowing from 10 degrees, the north, at 3 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 1, light air, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT XIFFIG. C THE WIND AT LIBERTY - RAVEN ROCKPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 10°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 3 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLELiberty - Raven Rock, the windSTATION REPORT · ASOS XIFTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-XIF-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Liberty - Raven Rock, in 6 sheets, each beside the Field Book plates that explain it

-in

Snow on the ground

Elsewhere in Pennsylvania

24 places, each with its own forecast and its own instruments.

Near Greencastle

The nearest places, each with its own forecast and the instruments nearest it.