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Hershey, Pennsylvania

Community in Dauphin County, Pennsylvania

Air quality

The air at Hershey

Index 23, good, led by ozone. Read at 12 AM from its reporting area, Susquehanna Valley (PA), 23 miles off.

23Good
  • Fine particles (PM2.5)16Good1.1 mi
  • Ozone23Good23 ppb1.1 mi

The days ahead

Good each day through Tue Oct 20, led by fine particles. Yesterday measured 28, good.

Smoke, the next 45 hours

No smoke near the ground through Sun 8 PM.

SatSun

Precipitation

What has fallen at Hershey

0.25 in in the last 24 hours, and none in the 2 days before, to Fri 11 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.25in
Last 3 days
0.25in

Visibility

How far you can see at Hershey, the next 45 hours

Visibility stays 10 miles or more through Sun 8 PM.

SatSun

On the radar over Hershey, PennsylvaniaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 7 instruments nearest Hershey, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.1 miles away.

measured now5 instruments

measured daily2 instruments

Hershey 0.7 NNWPA-DP-31

In a volunteer observer's own ground/1.1 mi away/385 ft/40 ft below here

precip, snowfall, snow depth

Rank-

LebanonLEBP1

At a cooperative observer's station/10.4 mi away/486 ft/61 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Middletown/Olmsted, drawn

The nearest airport reporting now, 8.0 mi from Hershey, Pennsylvania. From its report of Oct 16, 2026, 11:56 PM local time: 3 of its 6 sheets.

The sky

A few clouds at 4,700 ft, scattered at 12,000 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 4,700 feet, scattered cloud with its base at 12,000 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 STATION02,5005,0007,50010,00012,50015,00017,50020,000ETAGESLOWMIDDLEHIGHTHE STATIONTHE CEILOMETER READS TO 12,000 FTSCT 12,000 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYFEW 4,700 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYVISIBILITY, MILES: 10 MI OR MORE0510TITLEMiddletown/Olmsted, the skySTATION REPORT · ASOS MDTTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-17IDSR-MDT-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018, FB-SKY-013, FB-SKY-014

The air

62.0 F with a dew point of 51.0 F, 67 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,500 ft up; the lowest cloud reported is at 4,700 ft.

Chart of the air at Middletown/Olmsted: temperature 62.0 degrees Fahrenheit and dew point 51.0, 67 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,500 feet above the station, against the lowest cloud reported at 4,700 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 STATION01,0002,0003,0004,0005,0006,00040 F50 F60 F70 FSATURATES 2,500 FT ABOVE THE STATION, AT 48.5 FLOWEST CLOUD REPORTED, FEW 4,700 FTTEMPERATURE 62.0 FDEW POINT 51.0 FSPREAD 11.0 FRELATIVE HUMIDITY 67 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 6DATE2026-10-17IDSR-MDT-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northwest (320 degrees) at 14 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 41 mph.

Plan of the wind at Middletown/Olmsted, north up: blowing from 320 degrees, the northwest, at 14 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 4, moderate 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 320°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 14 MPH5FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEMiddletown/Olmsted, the windSTATION REPORT · ASOS MDTTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-17IDSR-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

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Snow on the ground

Elsewhere in Pennsylvania

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

Near Hershey

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

Near Hershey

River and lake gauges