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Ocean Bluff-Brant Rock, Massachusetts

Community in Plymouth County, Massachusetts

Air quality

The air at Ocean Bluff-Brant Rock

Index 38, good, led by fine particles. Read at 2 AM from its reporting area, North Bristol-Plymouth (MA), 17 miles off.

38Good
  • Fine particles (PM2.5)38Good18.2 mi
  • Ozone5Good2 ppb18.2 mi

The days ahead

Good each day through Sat Oct 17, led by fine particles. Yesterday measured 15, good.

Smoke, the next 43 hours

No smoke near the ground through Sat 8 PM.

FriSat

Precipitation

What has fallen at Ocean Bluff-Brant Rock

None in the last 24 hours; 0.03 in over the last 3 days, to Fri 1 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.03in

Visibility

How far you can see at Ocean Bluff-Brant Rock, the next 43 hours

Mist or haze: visibility falls to 1 miles Fri 9 PM.

FriSat

On the radar over Ocean Bluff-Brant Rock, MassachusettsReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Ocean Bluff-Brant Rock, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.6 miles away.

measured now4 instruments

MarshfieldGHG

At an airfield/0.6 mi away/11 ft/6 ft above here

temp, wind, gust, visibility, precip, pressure

Rank384of 744

QuincyMA004

Beside a road/20.7 mi away/131 ft/126 ft above here

temp, pavement temp, wind, visibility, precip

Rank442of 744

measured daily2 instruments

Marshfield 2.7 EMA-PL-86

In a volunteer observer's own ground/0.9 mi away/30 ft/25 ft above here

precip, snowfall, snow depth

Rank-

HinghamHINM3

At a cooperative observer's station/15.8 mi away/89 ft/84 ft above here

snowfall, snow depth, precip, high, low

Rank332of 744

Station report

The weather at Marshfield, drawn

The nearest airport reporting now, 0.6 mi from Ocean Bluff-Brant Rock, Massachusetts. From its report of Oct 16, 2026, 12:55 AM local time: 3 of its 6 sheets.

The sky

A few clouds at 3,900 ft; visibility 10 mi or more.

Section of the sky over Marshfield, height above the station to scale: a few clouds cloud with its base at 3,900 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GHGFIG. A THE SKY OVER MARSHFIELDSECTION, 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 SHEETFEW 3,900 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYVISIBILITY, MILES: 10 MI OR MORE0510TITLEMarshfield, the skySTATION REPORT · ASOS GHGTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-GHG-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

42.8 F with a dew point of 39.2 F, 87 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 800 ft up; the lowest cloud reported is at 3,900 ft.

Chart of the air at Marshfield: temperature 42.8 degrees Fahrenheit and dew point 39.2, 87 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 800 feet above the station, against the lowest cloud reported at 3,900 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GHGFIG. B THE AIR AT MARSHFIELDTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,00030 F40 F50 FSATURATES 800 FT ABOVE THE STATION, AT 38.4 FLOWEST CLOUD REPORTED, FEW 3,900 FTTEMPERATURE 42.8 FDEW POINT 39.2 FSPREAD 3.6 FRELATIVE HUMIDITY 87 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 POINTTITLEMarshfield, the airSTATION REPORT · ASOS GHGTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-GHG-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 Marshfield, 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 GHGFIG. C THE WIND AT MARSHFIELDPLAN, 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 FORCE73TITLEMarshfield, the windSTATION REPORT · ASOS GHGTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-GHG-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Hingham (HINM3), 15.8 miles from here, read 14 Oct, 19:00. measured daily

Elsewhere in Massachusetts

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

Near Ocean Bluff-Brant Rock

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

Near Ocean Bluff-Brant Rock

River and lake gauges