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Westfield, Massachusetts

City in Hampden County, Massachusetts

Air quality

The air at Westfield

Index 54, moderate, led by fine particles. Read at 11 PM from its reporting area, Hampden-Hampshire (MA), 9 miles off.

54Moderate
  • Fine particles (PM2.5)54Moderate-
  • Ozone18Good-
  • Coarse particles (PM10)4Good-

The days ahead

Good each day through Sat Oct 17, led by fine particles. Yesterday measured 37, good.

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 Westfield

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

Last 24 hours
0.00in
Last 3 days
0.00in

Visibility

How far you can see at Westfield, the next 46 hours

Visibility stays 3 miles or more through Sat 8 PM, lowest 4 miles Fri 10 AM.

FriSat

On the radar over Westfield, MassachusettsReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Westfield, 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

HolyokeMA027

Beside a road/8.8 mi away/403 ft/261 ft above here

temp, pavement temp, wind, visibility, precip

Rank433of 744

measured daily2 instruments

Westfield 3 SWWSTM3

At a cooperative observer's station/3.5 mi away/433 ft/291 ft above here

snowfall, snow depth, precip, high, low

Rank490of 744

Station report

The weather at Westfield/Barnes, drawn

The nearest airport reporting now, 2.9 mi from Westfield, Massachusetts. From its report of Oct 15, 2026, 10:53 PM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 10 mi or more.

Section of the sky over Westfield/Barnes, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT BAFFIG. A THE SKY OVER WESTFIELD/BARNESSECTION, 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 STATION05001,0001,5002,0002,5003,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETNO CLOUD DETECTED BELOW 12,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEWestfield/Barnes, the skySTATION REPORT · ASOS BAFTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-BAF-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

44.0 F with a dew point of 43.0 F, 96 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 200 ft up.

Chart of the air at Westfield/Barnes: temperature 44.0 degrees Fahrenheit and dew point 43.0, 96 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 200 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT BAFFIG. B THE AIR AT WESTFIELD/BARNESTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00030 F40 F50 FSATURATES 200 FT ABOVE THE STATION, AT 42.7 FTEMPERATURE AND DEW POINT 44.0 F, 43.0 FRELATIVE HUMIDITY 96 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 POINTTITLEWestfield/Barnes, the airSTATION REPORT · ASOS BAFTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-BAF-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 Westfield/Barnes, 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 BAFFIG. C THE WIND AT WESTFIELD/BARNESPLAN, 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 FORCE73TITLEWestfield/Barnes, the windSTATION REPORT · ASOS BAFTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-BAF-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Westfield 3 SW (WSTM3), 3.5 miles from here, read 15 Oct, 08:00. measured daily

Elsewhere in Massachusetts

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

Near Westfield

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

Near Westfield

River and lake gauges