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Leominster, Massachusetts

City in Worcester County, Massachusetts

Air quality

The air at Leominster

Index 33, good, led by fine particles. Read at 2 AM from its reporting area, Worcester (MA), 14 miles off.

33Good
  • Fine particles (PM2.5)33Good-
  • Ozone23Good-
  • Coarse particles (PM10)10Good-

The days ahead

Good each day through Sat Oct 17, led by fine particles. Yesterday measured 29, good.

Smoke, the next 42 hours

No smoke near the ground through Sat 8 PM.

FriSat

Precipitation

What has fallen at Leominster

None in the last 24 hours; 0.07 in over the last 3 days, to Fri 2 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.07in

Visibility

How far you can see at Leominster, the next 42 hours

Mist or haze: visibility falls to 3 miles Fri 10 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest Leominster, 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

FitchburgFIT

At an airfield/1.8 mi away/348 ft/35 ft below here

temp, wind, gust, visibility, precip, pressure

Rank145of 744

measured daily2 instruments

Leominster 1.2 NNEMA-WR-14

In a volunteer observer's own ground/0.6 mi away/510 ft/127 ft above here

precip, snowfall, snow depth

Rank-

FitchburgFCHM3

At a cooperative observer's station/6.7 mi away/690 ft/307 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Fitchburg, drawn

The nearest airport reporting now, 1.8 mi from Leominster, Massachusetts. From its report of Oct 16, 2026, 2:52 AM local time: 3 of its 6 sheets.

The sky

Broken at 9,500 ft, broken at 11,000 ft; the ceiling is 9,500 ft; visibility 10 mi or more.

Section of the sky over Fitchburg, height above the station to scale: broken cloud with its base at 9,500 feet, broken cloud with its base at 11,000 feet, the ceiling at 9,500 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FITFIG. A THE SKY OVER FITCHBURGSECTION, 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 STATION02,5005,0007,50010,00012,50015,00017,500ETAGESLOWMIDDLEHIGHTHE STATIONTHE CEILOMETER READS TO 12,000 FTBKN 11,000 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYBKN 9,500 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 9,500 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEFitchburg, the skySTATION REPORT · ASOS FITTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-FIT-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-013, FB-SKY-014

The air

45.0 F with a dew point of 42.0 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 9,500 ft.

Chart of the air at Fitchburg: temperature 45.0 degrees Fahrenheit and dew point 42.0, 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 9,500 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FITFIG. B THE AIR AT FITCHBURGTHE 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 F60 FSATURATES 700 FT ABOVE THE STATION, AT 41.3 FABOVE THIS SHEET: LOWEST CLOUD REPORTED, BKN 9,500 FTTEMPERATURE 45.0 FDEW POINT 42.0 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 POINTTITLEFitchburg, the airSTATION REPORT · ASOS FITTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-FIT-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 Fitchburg, 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 FITFIG. C THE WIND AT FITCHBURGPLAN, 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 FORCE73TITLEFitchburg, the windSTATION REPORT · ASOS FITTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-FIT-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

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Snow on the ground

Elsewhere in Massachusetts

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

Near Leominster

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

Near Leominster

River and lake gauges