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Rahway, New Jersey

City in Union County, New Jersey

Air quality

The air at Rahway

Index 22, good, led by fine particles. Read at 1 AM from its reporting area, Northeast Urban (NJ), 7 miles off.

22Good
  • Fine particles (PM2.5)22Good0.5 mi
  • Ozone19Good31 ppb4.7 mi
  • Nitrogen dioxide21Good22 ppb4.3 mi
  • Sulfur dioxide0Good0 ppb4.3 mi
  • Carbon monoxide-0.1 ppm4.3 mi

The days ahead

Good each day through Today, led by fine particles. Yesterday measured 18, good.

Smoke, the next 43 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 Rahway

None in the last 3 days, to Fri 1 AM. 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 Rahway, the next 43 hours

Mist or haze: visibility falls to 2 miles Fri 9 AM.

FriSat

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

What is measuring near here

The 5 instruments nearest Rahway, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.3 miles away.

measured now3 instruments

LindenLDJ

At an airfield/2.0 mi away/23 ft/4 ft below here

temp, wind, gust, visibility, precip, pressure

Rank481of 737

measured daily2 instruments

Canoe BrookCHMN4

At a cooperative observer's station/10.1 mi away/188 ft/161 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Linden, drawn

The nearest airport reporting now, 2.0 mi from Rahway, New Jersey. From its report of Oct 16, 2026, 12:55 AM local time: 3 of its 6 sheets.

The sky

Overcast at 5,000 ft; the ceiling is 5,000 ft; visibility 10 mi or more.

Section of the sky over Linden, height above the station to scale: overcast cloud with its base at 5,000 feet, the ceiling at 5,000 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 STATION01,0002,0003,0004,0005,0006,0007,0008,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 5,000 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 5,000 FTVISIBILITY, 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-017, FB-SKY-016, FB-SKY-018

The air

59.0 F with a dew point of 51.8 F, 77 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,700 ft up; the lowest cloud reported is at 5,000 ft.

Chart of the air at Linden: temperature 59.0 degrees Fahrenheit and dew point 51.8, 77 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,700 feet above the station, against the lowest cloud reported at 5,000 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 STATION01,0002,0003,0004,0005,0006,0007,00040 F50 F60 F70 FSATURATES 1,700 FT ABOVE THE STATION, AT 50.2 FLOWEST CLOUD REPORTED, OVC 5,000 FTTEMPERATURE 59.0 FDEW POINT 51.8 FSPREAD 7.2 FRELATIVE HUMIDITY 77 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 Rahway

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

Near Rahway

River and lake gauges