Storm Station
Portersville, Pennsylvania
51° 69°/50°
Clear· Feels like 51°·Light breeze 5 mph NNW
Mostly clear, with a low around 53. North wind around 7 mph.
0UV Low
32Air quality
80%Humidity
0%Cloud
Now
3:15 AM
51feels51
now, clear
Today
Sep 27
6950
18%
14mph
overcast
Mon
Sep 28
6356
overcast
Tue
Sep 29
6854
overcast
Wed
Sep 30
7554
overcast
Thu
Oct 1
7957
25%
overcast
Fri
Oct 2
6547
36%
showers light
Sat
Oct 3
6242
25%
overcast
51°
69°50°
63°56°
68°54°
75°54°
79°57°
65°47°
62°42°

As of 3:15 AM in Portersville, Pennsylvania.

What is measuring near here

The 5 instruments nearest Portersville, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.3 miles away.

measured now3 instruments

ZelienoplePJC

At an airfield/8.6 mi away/895 ft/490 ft below here

temp, wind, gust, visibility, precip, pressure

Rank9of 543

Slippery RockSLPP1

At a river or reservoir gauge/13.6 mi away/1,224 ft/161 ft below here

temp, wind, gust, humidity, pressure

Rank374of 543

measured daily2 instruments

Portersville 2.4 NNWPA-BT-68

In a volunteer observer's own ground/2.3 mi away/1,258 ft/127 ft below here

precip, snowfall, snow depth

Rank-

Slippery RockSPPP1

At a cooperative observer's station/10.2 mi away/1,263 ft/122 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Zelienople, drawn

The nearest airport reporting now, 8.6 mi from Portersville. From its report of Sep 27, 2026, 2:55 AM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 3 mi.

Section of the sky over Zelienople, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 3 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PJCFIG. A THE SKY OVER ZELIENOPLESECTION, 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: 3 MI0510TITLEZelienople, the skySTATION REPORT · ASOS PJCTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-PJC-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

44.6 F with a dew point of 44.6 F, 100 per cent relative humidity. The air is saturated at the ground.

Chart of the air at Zelienople: temperature 44.6 degrees Fahrenheit and dew point 44.6, 100 per cent relative humidity; the air saturated at the ground; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PJCFIG. B THE AIR AT ZELIENOPLETHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00030 F40 F50 F60 FSATURATED AT THE GROUNDTEMPERATURE AND DEW POINT 44.6 F, 44.6 FRELATIVE HUMIDITY 100 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 POINTTITLEZelienople, the airSTATION REPORT · ASOS PJCTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-PJC-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Zelienople, north up: calm; beside it the Beaufort scale from calm to hurricane force, force 0, calm, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PJCFIG. C THE WIND AT ZELIENOPLEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEZelienople, the windSTATION REPORT · ASOS PJCTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-PJC-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Slippery Rock (SPPP1), 10.2 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 Portersville

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