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Yaphank, New York

Community in Suffolk County, New York

Air quality

The air at Yaphank

Index 14, good, led by fine particles. Read at 12 AM from its reporting area, Bridgeport (CT), 27 miles off.

14Good
  • Fine particles (PM2.5)14Good7.3 mi
  • Ozone-7 ppb7.3 mi
  • Coarse particles (PM10)6Good-

The days ahead

Good each day through Today, led by fine particles. Yesterday measured 53, 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 Yaphank

None in the last 24 hours; 0.01 in over the last 3 days, to Thu 11 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.01in

Visibility

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

Dense fog: visibility falls to 0.1 miles Fri 11 AM, under a mile for 4 hours.

FriSat

On the radar over Yaphank, New YorkReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Yaphank, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.3 miles away.

measured now4 instruments

measured daily2 instruments

Upton NWSOKXN6

At a cooperative observer's station/2.4 mi away/101 ft/25 ft below here

snowfall, snow depth, precip, high, low

Rank32of 1,432

Shirley 2.0 NNWNY-SF-159

In a volunteer observer's own ground/2.6 mi away/49 ft/77 ft below here

precip, snowfall, snow depth

Rank-

Station report

The weather at Brookhaven Airport/Shirley, drawn

The nearest airport reporting now, 3.4 mi from Yaphank, New York. From its report of Oct 16, 2026, 12:36 AM local time: 3 of its 6 sheets.

The sky

Broken at 3,100 ft; the ceiling is 3,100 ft; visibility 10 mi or more.

Section of the sky over Brookhaven Airport/Shirley, height above the station to scale: broken cloud with its base at 3,100 feet, the ceiling at 3,100 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT HWVFIG. A THE SKY OVER BROOKHAVEN AIRPORT/SHIRLEYSECTION, 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 SHEETBKN 3,100 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 3,100 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEBrookhaven Airport/Shirley, the skySTATION REPORT · ASOS HWVTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-HWV-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 50.0 F, 75 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,800 ft up; the lowest cloud reported is at 3,100 ft.

Chart of the air at Brookhaven Airport/Shirley: temperature 58.0 degrees Fahrenheit and dew point 50.0, 75 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,800 feet above the station, against the lowest cloud reported at 3,100 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT HWVFIG. B THE AIR AT BROOKHAVEN AIRPORT/SHIRLEYTHE 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 1,800 FT ABOVE THE STATION, AT 48.2 FLOWEST CLOUD REPORTED, BKN 3,100 FTTEMPERATURE 58.0 FDEW POINT 50.0 FSPREAD 8.0 FRELATIVE HUMIDITY 75 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 POINTTITLEBrookhaven Airport/Shirley, the airSTATION REPORT · ASOS HWVTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-HWV-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south southeast (150 degrees) at 8 mph: force 3, a gentle breeze on the Beaufort scale.

Plan of the wind at Brookhaven Airport/Shirley, north up: blowing from 150 degrees, the south southeast, 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 HWVFIG. C THE WIND AT BROOKHAVEN AIRPORT/SHIRLEYPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 150°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 8 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEBrookhaven Airport/Shirley, the windSTATION REPORT · ASOS HWVTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-HWV-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Brookhaven Airport/Shirley, in 6 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Upton NWS (OKXN6), 2.4 miles from here, read 15 Oct, 07:00. measured daily

Elsewhere in New York

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

Near Yaphank

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

Near Yaphank

River and lake gauges