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Upton, Massachusetts

Community in Worcester County, Massachusetts

Air quality

The air at Upton

Index 37, good, led by fine particles. Read at 1 AM from its reporting area, Worcester (MA), 19 miles off.

37Good
  • Fine particles (PM2.5)37Good4.9 mi
  • Ozone23Good1 ppb4.9 mi
  • Coarse particles (PM10)13Good4.9 mi
  • Nitrogen dioxide17Good18 ppb11 mi
  • Sulfur dioxide0Good0.5 ppb11 mi
  • Carbon monoxide-0.4 ppm11 mi

The days ahead

Good each day through Sat Oct 17, led by fine particles. Yesterday measured 16, good.

Smoke, the next 43 hours

No smoke near the ground through Sat 8 PM.

FriSat

Precipitation

What has fallen at Upton

None in the last 24 hours; 0.04 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
0.04in

Visibility

How far you can see at Upton, the next 43 hours

Mist or haze: visibility falls to 3 miles Fri 8 PM.

FriSat

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

What is measuring near here

The 6 instruments nearest Upton, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.5 miles away.

measured now4 instruments

WorcesterORH

At an airfield/14.9 mi away/1,010 ft/643 ft above here

temp, wind, gust, visibility, precip, pressure

Rank1of 744

measured daily2 instruments

Upton 0.7 WSWMA-WR-129

In a volunteer observer's own ground/0.5 mi away/299 ft/68 ft below here

precip, snowfall, snow depth

Rank-

Northbridge 2NTHM3

At a cooperative observer's station/5.0 mi away/361 ft/6 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Worcester, drawn

The nearest airport reporting now, 14.9 mi from Upton, Massachusetts. From its report of Oct 16, 2026, 1:54 AM local time: 3 of its 6 sheets.

The sky

Overcast at 10,000 ft; the ceiling is 10,000 ft; visibility 10 mi or more.

Section of the sky over Worcester, height above the station to scale: overcast cloud with its base at 10,000 feet, the ceiling at 10,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ORHFIG. A THE SKY OVER WORCESTERSECTION, 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 FTOVC 10,000 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 10,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEWorcester, the skySTATION REPORT · ASOS ORHTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-ORH-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-013, FB-SKY-014

The air

48.0 F with a dew point of 43.0 F, 83 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,200 ft up; the lowest cloud reported is at 10,000 ft.

Chart of the air at Worcester: temperature 48.0 degrees Fahrenheit and dew point 43.0, 83 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,200 feet above the station, against the lowest cloud reported at 10,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ORHFIG. B THE AIR AT WORCESTERTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,00030 F40 F50 F60 FSATURATES 1,200 FT ABOVE THE STATION, AT 41.9 FABOVE THIS SHEET: LOWEST CLOUD REPORTED, OVC 10,000 FTTEMPERATURE 48.0 FDEW POINT 43.0 FSPREAD 5.0 FRELATIVE HUMIDITY 83 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 POINTTITLEWorcester, the airSTATION REPORT · ASOS ORHTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-ORH-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south (190 degrees) at 7 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Worcester, north up: blowing from 190 degrees, the south, at 7 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 ORHFIG. C THE WIND AT WORCESTERPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 190°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 7 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEWorcester, the windSTATION REPORT · ASOS ORHTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-ORH-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Worcester, 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 Upton

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

Near Upton

River and lake gauges