Storm Station
Chestnut Hill, Pennsylvania
59°
Light rain· Feels like 59°·Moderate breeze 14 mph N
Rain showers. Cloudy, with a high near 65. North wind 15 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
-UV
-Air quality
84%Humidity
75%Cloud

What is measuring near here

The 5 instruments nearest Chestnut Hill, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.4 miles away.

measured now3 instruments

SR33 & Wind GapPA037

Beside a road/10.4 mi away/984 ft/586 ft above here

temp, pavement temp, wind, visibility, precip

Rank478of 544

Allentown-BethlehemABE

At an airfield/13.5 mi away/384 ft/14 ft below here

temp, wind, gust, visibility, precip, pressure

Rank62of 544

measured daily2 instruments

Easton 2.4 NPA-NH-30

In a volunteer observer's own ground/0.4 mi away/362 ft/36 ft below here

precip, snowfall, snow depth

Rank-

Martins CreekMCNP1

At a cooperative observer's station/4.3 mi away/226 ft/172 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Allentown-Bethlehem, drawn

The nearest airport reporting now, 13.5 mi from Chestnut Hill. From its report of Sep 27, 2026, 7:51 AM local time: 3 of its 6 sheets.

The sky

Broken at 2,800 ft, overcast at 3,200 ft; the ceiling is 2,800 ft; visibility 5 mi.

Section of the sky over Allentown-Bethlehem, height above the station to scale: broken cloud with its base at 2,800 feet, overcast cloud with its base at 3,200 feet, the ceiling at 2,800 feet, and visibility of 5 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ABEFIG. A THE SKY OVER ALLENTOWN-BETHLEHEMSECTION, 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 STATION01,0002,0003,0004,0005,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 3,200 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 2,800 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 2,800 FTVISIBILITY, MILES: 5 MI0510TITLEAllentown-Bethlehem, the skySTATION REPORT · ASOS ABETYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-ABE-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

58.0 F with a dew point of 54.0 F, 87 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 900 ft up; the lowest cloud reported is at 2,800 ft.

Chart of the air at Allentown-Bethlehem: temperature 58.0 degrees Fahrenheit and dew point 54.0, 87 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 900 feet above the station, against the lowest cloud reported at 2,800 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ABEFIG. B THE AIR AT ALLENTOWN-BETHLEHEMTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,00040 F50 F60 F70 FSATURATES 900 FT ABOVE THE STATION, AT 53.1 FLOWEST CLOUD REPORTED, BKN 2,800 FTTEMPERATURE 58.0 FDEW POINT 54.0 FSPREAD 4.0 FRELATIVE HUMIDITY 87 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 POINTTITLEAllentown-Bethlehem, the airSTATION REPORT · ASOS ABETYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-ABE-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northwest (340 degrees) at 10 mph, gusting 18 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 37 mph.

Plan of the wind at Allentown-Bethlehem, north up: blowing from 340 degrees, the north northwest, at 10 miles an hour, gusting 18; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ABEFIG. C THE WIND AT ALLENTOWN-BETHLEHEMPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 340°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 10 MPH4MODERATE BREEZE13GUST, 18 MPH5FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEAllentown-Bethlehem, the windSTATION REPORT · ASOS ABETYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-ABE-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Allentown-Bethlehem, 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 Chestnut Hill

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