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Hauppauge, New York

Community in Suffolk County, New York

Air quality

The air at Hauppauge

Index 24, good, led by ozone. Read at 12 AM from its reporting area, Long Island Region (NY), 22 miles off.

24Good
  • Fine particles (PM2.5)20Good7.5 mi
  • Ozone24Good7 ppb7.5 mi
  • Coarse particles (PM10)-24.3 mi
  • Nitrogen dioxide1Good1.3 ppb21.9 mi
  • Sulfur dioxide0Good0 ppb24.3 mi

The days ahead

Good each day through Today, led by fine particles. Yesterday measured 51, moderate.

Smoke, the next 45 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 Hauppauge

None in the last 24 hours; 0.06 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
0.06in

Visibility

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

Fog: visibility falls to 0.3 miles Fri 11 AM, under a mile for 1 hour.

FriSat

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

What is measuring near here

The 6 instruments nearest Hauppauge, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.7 miles away.

measured now4 instruments

measured daily2 instruments

Hauppauge 1.0 SENY-SF-71

In a volunteer observer's own ground/0.7 mi away/187 ft/73 ft above here

precip, snowfall, snow depth

Rank-

St JamesSTJN6

At a cooperative observer's station/5.4 mi away/128 ft/14 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Islip/Macarthur, drawn

The nearest airport reporting now, 5.4 mi from Hauppauge, New York. From its report of Oct 15, 2026, 11:56 PM local time: 3 of its 6 sheets.

The sky

Broken at 2,600 ft, broken at 14,000 ft, broken at 25,000 ft; the ceiling is 2,600 ft; visibility 10 mi or more.

Section of the sky over Islip/Macarthur, height above the station to scale: broken cloud with its base at 2,600 feet, broken cloud with its base at 14,000 feet, broken cloud with its base at 25,000 feet, the ceiling at 2,600 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ISPFIG. A THE SKY OVER ISLIP/MACARTHURSECTION, 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 STATION05,00010,00015,00020,00025,00030,00035,00040,000ETAGESLOWMIDDLEHIGHTHE STATIONTHE CEILOMETER READS TO 12,000 FTBKN 25,000 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYBKN 14,000 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYBKN 2,600 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 2,600 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEIslip/Macarthur, the skySTATION REPORT · ASOS ISPTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-ISP-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018, FB-SKY-013, FB-SKY-014, FB-SKY-010, FB-SKY-011, FB-SKY-012

The air

57.0 F with a dew point of 49.0 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 2,600 ft.

Chart of the air at Islip/Macarthur: temperature 57.0 degrees Fahrenheit and dew point 49.0, 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 2,600 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ISPFIG. B THE AIR AT ISLIP/MACARTHURTHE 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 47.2 FLOWEST CLOUD REPORTED, BKN 2,600 FTTEMPERATURE 57.0 FDEW POINT 49.0 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 POINTTITLEIslip/Macarthur, the airSTATION REPORT · ASOS ISPTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-ISP-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the southeast (140 degrees) at 3 mph: force 1, a light air on the Beaufort scale. The strongest gust today was 24 mph.

Plan of the wind at Islip/Macarthur, north up: blowing from 140 degrees, the southeast, at 3 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 1, light air, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ISPFIG. C THE WIND AT ISLIP/MACARTHURPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 140°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 3 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEIslip/Macarthur, the windSTATION REPORT · ASOS ISPTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-ISP-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Islip/Macarthur, in 6 sheets, each beside the Field Book plates that explain it

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Snow on the ground

Elsewhere in New York

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

Near Hauppauge

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

Near Hauppauge

River and lake gauges