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Clearbrook, New Jersey

Community in Middlesex County, New Jersey

Air quality

The air at Clearbrook

Index 28, good, led by fine particles. Read at 12 AM from its reporting area, Central (NJ), 9 miles off.

28Good
  • Fine particles (PM2.5)28Good10.6 mi
  • Ozone25Good15 ppb10.6 mi
  • Nitrogen dioxide4Good4 ppb10.6 mi

The days ahead

Highest 55, moderate, Mon Oct 19, led by fine particles. Yesterday measured 26, good.

Smoke, the next 45 hours

No smoke near the ground through Sun 8 PM.

SatSun

Precipitation

What has fallen at Clearbrook

0.19 in in the last 24 hours, 0.51 in over the last 3 days, to Fri 11 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.19in
Last 3 days
0.51in

Visibility

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

Visibility stays 3 miles or more through Sun 8 PM, lowest 4 miles Sat 2 AM.

SatSun

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

What is measuring near here

The 5 instruments nearest Clearbrook, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.9 miles away.

measured now3 instruments

measured daily2 instruments

HightstownHGTN4

At a cooperative observer's station/6.3 mi away/98 ft/19 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Trenton/Mercer Co., drawn

The nearest airport reporting now, 18.7 mi from Clearbrook, New Jersey. From its report of Oct 16, 2026, 11:53 PM local time: 3 of its 6 sheets.

The sky

Scattered at 9,000 ft; visibility 10 mi or more.

Section of the sky over Trenton/Mercer Co., height above the station to scale: scattered cloud with its base at 9,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT TTNFIG. A THE SKY OVER TRENTON/MERCER CO.SECTION, 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 STATION02,5005,0007,50010,00012,50015,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FTSCT 9,000 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYVISIBILITY, MILES: 10 MI OR MORE0510TITLETrenton/Mercer Co., the skySTATION REPORT · ASOS TTNTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-17IDSR-TTN-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-013, FB-SKY-014

The air

63.0 F with a dew point of 55.0 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 9,000 ft.

Chart of the air at Trenton/Mercer Co.: temperature 63.0 degrees Fahrenheit and dew point 55.0, 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 9,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT TTNFIG. B THE AIR AT TRENTON/MERCER CO.THE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,0007,0008,00040 F50 F60 F70 FSATURATES 1,800 FT ABOVE THE STATION, AT 53.2 FABOVE THIS SHEET: LOWEST CLOUD REPORTED, SCT 9,000 FTTEMPERATURE 63.0 FDEW POINT 55.0 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 POINTTITLETrenton/Mercer Co., the airSTATION REPORT · ASOS TTNTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-17IDSR-TTN-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

At 5 mph: force 2, a light breeze on the Beaufort scale. The strongest gust today was 30 mph.

Plan of the wind at Trenton/Mercer Co., north up: at 5 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 2, light breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT TTNFIG. C THE WIND AT TRENTON/MERCER CO.PLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONDIRECTION NOT REPORTEDBEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 5 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLETrenton/Mercer Co., the windSTATION REPORT · ASOS TTNTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-17IDSR-TTN-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Trenton/Mercer Co., in 6 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Hightstown (HGTN4), 6.3 miles from here, read 9 Oct, 07:00. measured daily

Elsewhere in New Jersey

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

Near Clearbrook

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

Near Clearbrook

River and lake gauges