Storm Station
Trexlertown, Pennsylvania
59° 62°/58°
Drizzle· Feels like 59°·Gentle breeze 10 mph NNW
A chance of rain showers. Mostly cloudy, with a low around 56. North wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
0UV Low
-Air quality
78%Humidity
100%Cloud
Now
4:30 AM
59feels59
19%
now, drizzle
Today
Sep 27
6258
90%
18mph
rain
Mon
Sep 28
6559
60%
drizzle
Tue
Sep 29
7257
overcast
Wed
Sep 30
7657
overcast
Thu
Oct 1
8061
overcast
Fri
Oct 2
6858
15%
overcast
Sat
Oct 3
6249
15%
overcast
59°
62°58°
65°59°
72°57°
76°57°
80°61°
68°58°
62°49°

As of 4:30 AM in Trexlertown, Pennsylvania.

What is measuring near here

The 5 instruments nearest Trexlertown, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 3.1 miles away.

measured now3 instruments

AllentownXLL

At an airfield/6.5 mi away/400 ft/4 ft below here

temp, wind, gust, visibility, precip, pressure

Rank10of 543

I-78 W/B @ MM 27 Berks Co.PA052

Beside a road/22.4 mi away/466 ft/62 ft above here

temp, pavement temp, wind, visibility, precip

Rank476of 543

Perkiomen Creek AT GraterfordGRAP1

At a river or reservoir gauge/23.6 mi away/161 ft/243 ft below here

temp, wind, gust, humidity, pressure

Rank291of 543

measured daily2 instruments

Allentown 4.7 WPA-LH-41

In a volunteer observer's own ground/3.1 mi away/398 ft/6 ft below here

precip, snowfall, snow depth

Rank-

PalmPLMP1

At a cooperative observer's station/13.1 mi away/289 ft/115 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Allentown, drawn

The nearest airport reporting now, 6.5 mi from Trexlertown. From its report of Sep 27, 2026, 4:15 AM local time: 3 of its 6 sheets.

The sky

Overcast at 3,900 ft; the ceiling is 3,900 ft; visibility 10 mi or more.

Section of the sky over Allentown, height above the station to scale: overcast cloud with its base at 3,900 feet, the ceiling at 3,900 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT XLLFIG. A THE SKY OVER ALLENTOWNSECTION, 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 STATION01,0002,0003,0004,0005,0006,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 3,900 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 3,900 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEAllentown, the skySTATION REPORT · ASOS XLLTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-XLL-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

59.0 F with a dew point of 53.6 F, 82 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,300 ft up; the lowest cloud reported is at 3,900 ft.

Chart of the air at Allentown: temperature 59.0 degrees Fahrenheit and dew point 53.6, 82 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,300 feet above the station, against the lowest cloud reported at 3,900 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT XLLFIG. B THE AIR AT ALLENTOWNTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,00040 F50 F60 F70 FSATURATES 1,300 FT ABOVE THE STATION, AT 52.3 FLOWEST CLOUD REPORTED, OVC 3,900 FTTEMPERATURE 59.0 FDEW POINT 53.6 FSPREAD 5.4 FRELATIVE HUMIDITY 82 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, the airSTATION REPORT · ASOS XLLTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-XLL-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northwest (340 degrees) at 8 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 22 mph.

Plan of the wind at Allentown, north up: blowing from 340 degrees, the north northwest, at 8 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT XLLFIG. C THE WIND AT ALLENTOWNPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 340°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 8 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEAllentown, the windSTATION REPORT · ASOS XLLTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-XLL-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Allentown, 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 Trexlertown

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