Storm Station
Harlansburg, Pennsylvania
52° 69°/49°
Clear· Feels like 52°·Light breeze 4 mph NNW
Partly cloudy, with a low around 52. North wind around 6 mph.
0UV Low
32Air quality
80%Humidity
0%Cloud
Now
3:15 AM
52feels52
now, clear
Today
Sep 27
6949
17%
16mph
overcast
Mon
Sep 28
6456
overcast
Tue
Sep 29
6956
overcast
Wed
Sep 30
7555
overcast
Thu
Oct 1
7958
25%
13mph
drizzle light
Fri
Oct 2
6648
37%
12mph
showers light
Sat
Oct 3
6342
25%
overcast
52°
69°49°
64°56°
69°56°
75°55°
79°58°
66°48°
63°42°

As of 3:15 AM in Harlansburg, Pennsylvania.

What is measuring near here

The 5 instruments nearest Harlansburg, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 3.5 miles away.

measured now3 instruments

Slippery RockSLPP1

At a river or reservoir gauge/8.7 mi away/1,224 ft/99 ft above here

temp, wind, gust, humidity, pressure

Rank374of 543

New CastleUCP

At an airfield/11.9 mi away/1,072 ft/53 ft below here

temp, wind, gust, visibility, precip, pressure

Rank3of 543

measured daily2 instruments

Slippery Rock 5.6 SWPA-BT-26

In a volunteer observer's own ground/3.5 mi away/1,268 ft/143 ft above here

precip, snowfall, snow depth

Rank-

Slippery RockSPPP1

At a cooperative observer's station/7.0 mi away/1,263 ft/138 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at New Castle, drawn

The nearest airport reporting now, 11.9 mi from Harlansburg. From its report of Sep 27, 2026, 2:56 AM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 10 mi or more.

Section of the sky over New Castle, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT UCPFIG. A THE SKY OVER NEW CASTLESECTION, 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: 10 MI OR MORE0510TITLENew Castle, the skySTATION REPORT · ASOS UCPTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-UCP-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

52.0 F with a dew point of 49.0 F, 89 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 700 ft up.

Chart of the air at New Castle: temperature 52.0 degrees Fahrenheit and dew point 49.0, 89 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 700 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT UCPFIG. B THE AIR AT NEW CASTLETHE 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 FSATURATES 700 FT ABOVE THE STATION, AT 48.3 FTEMPERATURE 52.0 FDEW POINT 49.0 FSPREAD 3.0 FRELATIVE HUMIDITY 89 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 POINTTITLENew Castle, the airSTATION REPORT · ASOS UCPTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-UCP-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north (350 degrees) at 3 mph: force 1, a light air on the Beaufort scale.

Plan of the wind at New Castle, north up: blowing from 350 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 UCPFIG. C THE WIND AT NEW CASTLEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 350°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 3 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLENew Castle, the windSTATION REPORT · ASOS UCPTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-UCP-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of New Castle, in 6 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Slippery Rock (SPPP1), 7.0 miles from here, read 26 Sep, 07:21. measured daily

Elsewhere in Pennsylvania

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

Near Harlansburg

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