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Jamesburg, New Jersey

Borough in Middlesex County, New Jersey

Air quality

The air at Jamesburg

Index 16, good, led by ozone. Read at 4 AM from its reporting area, Central (NJ), 7 miles off.

16Good
  • Fine particles (PM2.5)13Good7.8 mi
  • Ozone16Good10 ppb16.6 mi
  • Nitrogen dioxide5Good5 ppb7.8 mi
  • Sulfur dioxide0Good0 ppb23.5 mi
  • Carbon monoxide-0.1 ppm23.5 mi

The days ahead

Good each day through Today, led by ozone. Yesterday measured 26, good.

Smoke, the next 40 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 Jamesburg

None in the last 24 hours; 0.10 in over the last 3 days, to Fri 4 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.10in

Visibility

How far you can see at Jamesburg, the next 40 hours

Fog: visibility falls to 0.8 miles Fri 7 PM, under a mile for 1 hour.

FriSat

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

What is measuring near here

The 5 instruments nearest Jamesburg, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.2 miles away.

measured now3 instruments

measured daily2 instruments

New BrunswickNBRN4

At a cooperative observer's station/8.1 mi away/82 ft/4 ft above here

snowfall, snow depth, precip, high, low

Rank431of 737

Station report

The weather at Belmar-Farmdale, drawn

The nearest airport reporting now, 20.1 mi from Jamesburg, New Jersey. From its report of Oct 16, 2026, 4:21 AM local time: 3 of its 5 sheets.

The sky

Broken at 2,100 ft, overcast at 3,900 ft; the ceiling is 2,100 ft; visibility 10 mi or more.

Section of the sky over Belmar-Farmdale, height above the station to scale: broken cloud with its base at 2,100 feet, overcast cloud with its base at 3,900 feet, the ceiling at 2,100 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT BLMFIG. A THE SKY OVER BELMAR-FARMDALESECTION, 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 STATION01,0002,0003,0004,0005,0006,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 3,900 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 2,100 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 2,100 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEBelmar-Farmdale, the skySTATION REPORT · ASOS BLMTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 5DATE2026-10-16IDSR-BLM-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The wind

From the south southeast (150 degrees) at 5 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Belmar-Farmdale, north up: blowing from 150 degrees, the south southeast, 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 BLMFIG. C THE WIND AT BELMAR-FARMDALEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 150°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 5 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEBelmar-Farmdale, the windSTATION REPORT · ASOS BLMTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 2 of 5DATE2026-10-16IDSR-BLM-2DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The column

At 157 ft above sea level, 1 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.75 inHg and the temperature at 58.4 F; the station's altimeter setting of 30.03 inHg means its barometer reads 29.86 inHg; it reports 62.6 F, 4.2 F warmer than standard.

Section from sea level of where Belmar-Farmdale stands in the atmosphere, height to scale: the station 157 feet above sea level with 1 per cent of the air below it; the standard atmosphere's pressure there, 29.75 inches of mercury, and temperature, 58.4 degrees Fahrenheit; the altimeter setting of 30.03 and the station pressure it means, 29.86.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT BLMFIG. D WHERE BELMAR-FARMDALE STANDS IN THE ATMOSPHERESECTION FROM SEA LEVEL, HEIGHT TO SCALE, THE STATION IN THE STANDARD ATMOSPHEREFT ABOVE SEA LEVEL05,00010,00015,000SEA LEVEL, 29.92 inHg IN THE STANDARD ATMOSPHEREBELMAR-FARMDALE1 PER CENT OF THE AIR BELOW IT157 FT10 PER CENT OF THE AIR BELOW, 2,890 FT20 PER CENT OF THE AIR BELOW, 6,050 FT30 PER CENT OF THE AIR BELOW, 9,540 FT40 PER CENT OF THE AIR BELOW, 13,470 FTSTANDARD PRESSURE HERE29.75 inHgSTANDARD TEMPERATURE HERE58.4 FALTIMETER SETTING, REPORTED30.03 inHgITS BAROMETER READS29.86 inHgTEMPERATURE, REPORTED62.6 FTITLEBelmar-Farmdale, the columnSTATION REPORT · ASOS BLMTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 3 of 5DATE2026-10-16IDSR-BLM-3DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The full report of Belmar-Farmdale, in 5 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at New Brunswick (NBRN4), 8.1 miles from here, read 15 Oct, 08:35. measured daily

Elsewhere in New Jersey

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

Near Jamesburg

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

Near Jamesburg

River and lake gauges