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South Bound Brook, New Jersey

Borough in Somerset County, New Jersey

Air quality

The air at South Bound Brook

Index 22, good, led by ozone. Read at 11 PM from its reporting area, Central (NJ), 15 miles off.

22Good
  • Fine particles (PM2.5)12Good-
  • Ozone22Good-

The days ahead

Good each day through Fri Oct 16, led by fine particles. Yesterday measured 53, 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 South Bound Brook

None in the last 24 hours; 0.04 in over the last 3 days, to Thu 10 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.04in

Visibility

How far you can see at South Bound Brook, the next 46 hours

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

FriSat

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

What is measuring near here

The 5 instruments nearest South Bound Brook, 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

SomervilleSMQ

At an airfield/8.8 mi away/105 ft/52 ft above here

temp, wind, gust, visibility, precip, pressure

Rank418of 737

measured daily2 instruments

Bound Brook 2WBBKN4

At a cooperative observer's station/2.0 mi away/48 ft/5 ft below here

snowfall, snow depth, precip, high, low

Rank-

Middlesex 0.1 ENENJ-MD-95

In a volunteer observer's own ground/2.2 mi away/47 ft/6 ft below here

precip, snowfall, snow depth

Rank-

Station report

The weather at Somerville, drawn

The nearest airport reporting now, 8.8 mi from South Bound Brook, New Jersey. From its report of Oct 15, 2026, 10:53 PM local time: 3 of its 6 sheets.

The sky

A few clouds at 6,000 ft, scattered at 8,000 ft, broken at 11,000 ft; the ceiling is 11,000 ft; visibility 10 mi or more.

Section of the sky over Somerville, height above the station to scale: a few clouds cloud with its base at 6,000 feet, scattered cloud with its base at 8,000 feet, broken cloud with its base at 11,000 feet, the ceiling at 11,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SMQFIG. A THE SKY OVER SOMERVILLESECTION, 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 FTBKN 11,000 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYSCT 8,000 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYFEW 6,000 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYCEILING 11,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLESomerville, the skySTATION REPORT · ASOS SMQTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-SMQ-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018, FB-SKY-013, FB-SKY-014

The air

54.0 F with a dew point of 50.0 F, 86 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 900 ft up; the lowest cloud reported is at 6,000 ft.

Chart of the air at Somerville: temperature 54.0 degrees Fahrenheit and dew point 50.0, 86 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 900 feet above the station, against the lowest cloud reported at 6,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SMQFIG. B THE AIR AT SOMERVILLETHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,00040 F50 F60 FSATURATES 900 FT ABOVE THE STATION, AT 49.0 FABOVE THIS SHEET: LOWEST CLOUD REPORTED, FEW 6,000 FTTEMPERATURE 54.0 FDEW POINT 50.0 FSPREAD 4.0 FRELATIVE HUMIDITY 86 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 POINTTITLESomerville, the airSTATION REPORT · ASOS SMQTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-SMQ-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Somerville, 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 SMQFIG. C THE WIND AT SOMERVILLEPLAN, 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 FORCE73TITLESomerville, the windSTATION REPORT · ASOS SMQTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-SMQ-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

-

Snow on the ground

Elsewhere in New Jersey

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

Near South Bound Brook

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

Near South Bound Brook

River and lake gauges