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Plainfield, New Jersey

City in Union County, New Jersey

Air quality

The air at Plainfield

Index 28, good, led by fine particles. Read at 11 PM from its reporting area, Northeast Urban (NJ), 13 miles off.

28Good
  • Fine particles (PM2.5)28Good-
  • Ozone17Good-

The days ahead

Good each day through Fri Oct 16, led by fine particles. Yesterday measured 56, moderate.

Smoke, the next 46 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 Plainfield

None in the last 3 days, to Thu 10 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.00in

Visibility

How far you can see at Plainfield, the next 46 hours

Fog: visibility falls to 0.8 miles Fri 9 AM, under a mile for 1 hour.

FriSat

On the radar over Plainfield, New JerseyReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 5 instruments nearest Plainfield, 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 now3 instruments

LindenLDJ

At an airfield/9.2 mi away/23 ft/73 ft below here

temp, wind, gust, visibility, precip, pressure

Rank481of 737

measured daily2 instruments

Plainfield 1.0 SSENJ-UN-22

In a volunteer observer's own ground/1.1 mi away/87 ft/9 ft below here

precip, snowfall, snow depth

Rank-

Bound Brook 2WBBKN4

At a cooperative observer's station/9.0 mi away/48 ft/48 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Linden, drawn

The nearest airport reporting now, 9.2 mi from Plainfield, New Jersey. From its report of Oct 15, 2026, 11:35 PM local time: 3 of its 6 sheets.

The sky

Scattered at 11,000 ft; visibility 10 mi or more.

Section of the sky over Linden, height above the station to scale: scattered cloud with its base at 11,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT LDJFIG. A THE SKY OVER LINDENSECTION, 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 STATION02,5005,0007,50010,00012,50015,00017,500ETAGESLOWMIDDLEHIGHTHE STATIONTHE CEILOMETER READS TO 12,000 FTSCT 11,000 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYVISIBILITY, MILES: 10 MI OR MORE0510TITLELinden, the skySTATION REPORT · ASOS LDJTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-LDJ-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-013, FB-SKY-014

The air

58.6 F with a dew point of 48.7 F, 70 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,300 ft up; the lowest cloud reported is at 11,000 ft.

Chart of the air at Linden: temperature 58.6 degrees Fahrenheit and dew point 48.7, 70 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,300 feet above the station, against the lowest cloud reported at 11,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT LDJFIG. B THE AIR AT LINDENTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION02,0004,0006,0008,00040 F50 F60 F70 FSATURATES 2,300 FT ABOVE THE STATION, AT 46.5 FABOVE THIS SHEET: LOWEST CLOUD REPORTED, SCT 11,000 FTTEMPERATURE 58.6 FDEW POINT 48.7 FSPREAD 9.9 FRELATIVE HUMIDITY 70 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 POINTTITLELinden, the airSTATION REPORT · ASOS LDJTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-LDJ-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Linden, north up: calm; beside it the Beaufort scale from calm to hurricane force, force 0, calm, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT LDJFIG. C THE WIND AT LINDENPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLELinden, the windSTATION REPORT · ASOS LDJTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-LDJ-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

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Snow on the ground

Elsewhere in New Jersey

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

Near Plainfield

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

Near Plainfield

River and lake gauges