Storm Station
Chambersburg, Pennsylvania
60°
Overcast· Feels like 60°·Light air 2 mph SE
Cloudy, with a low around 56. North wind around 10 mph.
-UV
-Air quality
87%Humidity
92%Cloud

What is measuring near here

The 5 instruments nearest Chambersburg, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.2 miles away.

measured now3 instruments

I-81 Franklin MM11 NBPA078

Beside a road/4.1 mi away/656 ft/34 ft above here

temp, pavement temp, wind, visibility, precip

Rank476of 543

Liberty - Raven RockXIF

At an airfield/18.6 mi away/1,141 ft/519 ft above here

temp, wind, gust, visibility, precip, pressure

Rank20of 543

Big KnobBGNP1

At a river or reservoir gauge/29.9 mi away/2,159 ft/1,537 ft above here

temp, wind, gust, humidity, pressure

Rank56of 543

measured daily2 instruments

Chambersburg 0.2 NNWPA-FN-4

In a volunteer observer's own ground/0.2 mi away/633 ft/11 ft above here

precip, snowfall, snow depth

Rank-

Chambersburg 1 ESECHMP1

At a cooperative observer's station/1.0 mi away/643 ft/21 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Liberty - Raven Rock, drawn

The nearest airport reporting now, 18.6 mi from Chambersburg. From its report of Sep 27, 2026, 3:55 AM local time: 3 of its 6 sheets.

The sky

Overcast at 4,300 ft; the ceiling is 4,300 ft; visibility 10 mi or more.

Section of the sky over Liberty - Raven Rock, height above the station to scale: overcast cloud with its base at 4,300 feet, the ceiling at 4,300 feet, and visibility of 10 mi or more.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 STATION01,0002,0003,0004,0005,0006,0007,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 4,300 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 4,300 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLELiberty - 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, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

61.3 F with a dew point of 49.0 F, 64 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,800 ft up; the lowest cloud reported is at 4,300 ft.

Chart of the air at Liberty - Raven Rock: temperature 61.3 degrees Fahrenheit and dew point 49.0, 64 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,800 feet above the station, against the lowest cloud reported at 4,300 feet; 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 STATION01,0002,0003,0004,0005,0006,00040 F50 F60 F70 FSATURATES 2,800 FT ABOVE THE STATION, AT 46.2 FLOWEST CLOUD REPORTED, OVC 4,300 FTTEMPERATURE 61.3 FDEW POINT 49.0 FSPREAD 12.3 FRELATIVE HUMIDITY 64 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 (350 degrees) at 6 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Liberty - Raven Rock, north up: blowing from 350 degrees, the north, at 6 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 2, light breeze, 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 350°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 6 MPH3GENTLE 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 Chambersburg

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