Storm Station
Hummelstown, Pennsylvania
60°
Light rain· Feels like 60°·Gentle breeze 11 mph NNW
Rain. Cloudy, with a high near 61. North wind 15 to 18 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
-UV
-Air quality
75%Humidity
100%Cloud

What is measuring near here

The 6 instruments nearest Hummelstown, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.5 miles away.

measured now4 instruments

Middletown/OlmstedMDT

At an airfield/5.6 mi away/308 ft/88 ft below here

temp, wind, gust, visibility, precip, pressure

Rank3of 544

Manada GapMNGP1

At a river or reservoir gauge/10.1 mi away/660 ft/264 ft above here

temp, wind, gust, humidity, pressure

Rank56of 544

Mahantango CkS2028

At a soil climate station/27.9 mi away/730 ft/334 ft above here

temp, humidity, soil temp, soil moisture

Rank-

measured daily2 instruments

Hummelstown 0.3 NNWPA-DP-30

In a volunteer observer's own ground/0.5 mi away/329 ft/67 ft below here

precip, snowfall, snow depth

Rank-

HarrisburgHRBP1

At a cooperative observer's station/8.5 mi away/423 ft/27 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Middletown/Olmsted, drawn

The nearest airport reporting now, 5.6 mi from Hummelstown. From its report of Sep 27, 2026, 7:56 AM local time: 3 of its 6 sheets.

The sky

A few clouds at 7,500 ft, overcast at 9,000 ft; the ceiling is 9,000 ft; visibility 10 mi or more.

Section of the sky over Middletown/Olmsted, height above the station to scale: a few clouds cloud with its base at 7,500 feet, overcast cloud with its base at 9,000 feet, the ceiling at 9,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MDTFIG. A THE SKY OVER MIDDLETOWN/OLMSTEDSECTION, 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 STATION02,5005,0007,50010,00012,50015,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FTOVC 9,000 FTOVERCAST, 8 EIGHTHS OF THE SKYFEW 7,500 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYCEILING 9,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEMiddletown/Olmsted, the skySTATION REPORT · ASOS MDTTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-MDT-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-013, FB-SKY-014

The air

59.0 F with a dew point of 52.0 F, 78 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,600 ft up; the lowest cloud reported is at 7,500 ft.

Chart of the air at Middletown/Olmsted: temperature 59.0 degrees Fahrenheit and dew point 52.0, 78 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,600 feet above the station, against the lowest cloud reported at 7,500 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MDTFIG. B THE AIR AT MIDDLETOWN/OLMSTEDTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,0007,00040 F50 F60 F70 FSATURATES 1,600 FT ABOVE THE STATION, AT 50.4 FABOVE THIS SHEET: LOWEST CLOUD REPORTED, FEW 7,500 FTTEMPERATURE 59.0 FDEW POINT 52.0 FSPREAD 7.0 FRELATIVE HUMIDITY 78 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 POINTTITLEMiddletown/Olmsted, the airSTATION REPORT · ASOS MDTTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-MDT-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northwest (330 degrees) at 12 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 23 mph.

Plan of the wind at Middletown/Olmsted, north up: blowing from 330 degrees, the north northwest, at 12 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 MDTFIG. C THE WIND AT MIDDLETOWN/OLMSTEDPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 330°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 12 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEMiddletown/Olmsted, the windSTATION REPORT · ASOS MDTTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-MDT-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Middletown/Olmsted, 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 Hummelstown

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