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Williamstown, Massachusetts

Community in Berkshire County, Massachusetts

Air quality

The air at Williamstown

Index 16, good, led by fine particles. Read at 11 PM from its reporting area, Bennington (VT), 13 miles off.

16Good
  • Fine particles (PM2.5)16Good4.6 mi
  • Ozone16Good11 ppb12.5 mi
  • Coarse particles (PM10)6Good12.5 mi

The days ahead

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

Smoke, the next 45 hours

No smoke near the ground through Sat 8 PM.

FriSat

Precipitation

What has fallen at Williamstown

None in the last 24 hours; 0.04 in over the last 3 days, to Thu 11 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 Williamstown, the next 45 hours

Mist or haze: visibility falls to 1 miles Fri 6 PM.

FriSat

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

What is measuring near here

The 6 instruments nearest Williamstown, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.5 miles away.

measured now4 instruments

measured daily2 instruments

Williamstown 1.9 NMA-BE-8

In a volunteer observer's own ground/1.5 mi away/677 ft/6 ft above here

precip, snowfall, snow depth

Rank-

East HawleyEHYM3

At a cooperative observer's station/19.5 mi away/1,636 ft/965 ft above here

snowfall, snow depth, precip, high, low

Rank434of 744

Station report

The weather at Pittsfield Muni, drawn

The nearest airport reporting now, 20.3 mi from Williamstown, Massachusetts. From its report of Oct 15, 2026, 11:54 PM local time: 3 of its 6 sheets.

The sky

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

Section of the sky over Pittsfield Muni, height above the station to scale: scattered cloud with its base at 10,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PSFFIG. A THE SKY OVER PITTSFIELD MUNISECTION, 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 10,000 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYVISIBILITY, MILES: 10 MI OR MORE0510TITLEPittsfield Muni, the skySTATION REPORT · ASOS PSFTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-PSF-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-013, FB-SKY-014

The air

44.0 F with a dew point of 41.0 F, 89 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 700 ft up; the lowest cloud reported is at 10,000 ft.

Chart of the air at Pittsfield Muni: temperature 44.0 degrees Fahrenheit and dew point 41.0, 89 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 700 feet above the station, against the lowest cloud reported at 10,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PSFFIG. B THE AIR AT PITTSFIELD MUNITHE 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 700 FT ABOVE THE STATION, AT 40.3 FABOVE THIS SHEET: LOWEST CLOUD REPORTED, SCT 10,000 FTTEMPERATURE 44.0 FDEW POINT 41.0 FSPREAD 3.0 FRELATIVE HUMIDITY 89 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 POINTTITLEPittsfield Muni, the airSTATION REPORT · ASOS PSFTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-PSF-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 Pittsfield Muni, 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 PSFFIG. C THE WIND AT PITTSFIELD MUNIPLAN, 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 FORCE73TITLEPittsfield Muni, the windSTATION REPORT · ASOS PSFTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-PSF-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at East Hawley (EHYM3), 19.5 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 Williamstown

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

Near Williamstown

River and lake gauges