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Lykens, Pennsylvania

Borough in Dauphin County, Pennsylvania

Air quality

The air at Lykens

Index 24, good, led by fine particles. Read at 12 AM from its reporting area, Susquehanna Valley (PA), 44 miles off.

24Good
  • Fine particles (PM2.5)24Good20.6 mi
  • Ozone22Good24 ppb20.6 mi

The days ahead

Good each day through Sun Oct 18, led by fine particles. Yesterday measured 57, moderate.

Smoke, the next 44 hours

Little smoke near the ground through Sat 8 PM: the index from smoke stays at 6 or under.

FriSat

Precipitation

What has fallen at Lykens

None in the last 24 hours; 0.02 in over the last 3 days, to Fri 12 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.02in

Visibility

How far you can see at Lykens, the next 44 hours

Fog: visibility falls to 0.7 miles Fri 2 AM, under a mile for 3 hours.

FriSat

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

What is measuring near here

The 7 instruments nearest Lykens, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 5.3 miles away.

measured now5 instruments

Wolf PondWLFP1

At a river or reservoir gauge/5.3 mi away/1,736 ft/1,050 ft above here

temp, wind, gust, humidity, pressure

Rank725of 1,383

measured daily2 instruments

SelinsgroveSLGP1

At a cooperative observer's station/17.1 mi away/436 ft/250 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Muir AAF/Indiantown, drawn

The nearest airport reporting now, 11.5 mi from Lykens, Pennsylvania. From its report of Oct 16, 2026, 12:38 AM local time: 3 of its 6 sheets.

The sky

Scattered at 400 ft, broken at 900 ft, overcast at 1,500 ft; the ceiling is 900 ft; visibility 10 mi or more.

Section of the sky over Muir AAF/Indiantown, height above the station to scale: scattered cloud with its base at 400 feet, broken cloud with its base at 900 feet, overcast cloud with its base at 1,500 feet, the ceiling at 900 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MUIFIG. A THE SKY OVER MUIR AAF/INDIANTOWNSECTION, 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 SHEETOVC 1,500 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 900 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYSCT 400 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYCEILING 900 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEMuir AAF/Indiantown, the skySTATION REPORT · ASOS MUITYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-MUI-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 55.4 F, 88 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 800 ft up; the lowest cloud reported is at 400 ft.

Chart of the air at Muir AAF/Indiantown: temperature 59.0 degrees Fahrenheit and dew point 55.4, 88 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 800 feet above the station, against the lowest cloud reported at 400 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MUIFIG. B THE AIR AT MUIR AAF/INDIANTOWNTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00040 F50 F60 F70 FSATURATES 800 FT ABOVE THE STATION, AT 54.5 FLOWEST CLOUD REPORTED, SCT 400 FTTEMPERATURE 59.0 FDEW POINT 55.4 FSPREAD 3.6 FRELATIVE HUMIDITY 88 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 POINTTITLEMuir AAF/Indiantown, the airSTATION REPORT · ASOS MUITYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-MUI-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south (190 degrees) at 6 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Muir AAF/Indiantown, north up: blowing from 190 degrees, the south, at 6 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 2, light breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MUIFIG. C THE WIND AT MUIR AAF/INDIANTOWNPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 190°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 6 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEMuir AAF/Indiantown, the windSTATION REPORT · ASOS MUITYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-MUI-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Muir AAF/Indiantown, 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 Lykens

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

Near Lykens

River and lake gauges