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Wellesley, Massachusetts

Community in Norfolk County, Massachusetts

Air quality

The air at Wellesley

Index 33, good, led by fine particles. Read at 7 PM from its reporting area, Boston Metro (MA), 10 miles off.

33Good
  • Fine particles (PM2.5)33Good-
  • Ozone21Good25 ppb10.7 mi
  • Coarse particles (PM10)10Good-
  • Nitrogen dioxide5Good5 ppb10.2 mi
  • Sulfur dioxide1Good1.4 ppb10.2 mi
  • Carbon monoxide-0.2 ppm10.7 mi

The days ahead

Good each day through Tue Oct 20, led by fine particles. Yesterday measured 24, good.

Smoke, the next 43 hours

No smoke near the ground through Sun 2 PM.

FriSatSun

Precipitation

What has fallen at Wellesley

0.39 in in the last 24 hours, 0.53 in over the last 3 days, to Fri 7 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.39in
Last 3 days
0.53in

Visibility

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

Visibility stays 6 miles or more through Sun 2 PM, lowest 7 miles Fri 9 PM.

FriSatSun

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

What is measuring near here

The 6 instruments nearest Wellesley, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.7 miles away.

measured now4 instruments

NewtonMA006

Beside a road/2.6 mi away/62 ft/88 ft below here

temp, pavement temp, wind, visibility, precip

Rank744of 747

measured daily2 instruments

Wellesley 1.0 NWMA-NF-20

In a volunteer observer's own ground/0.8 mi away/229 ft/79 ft above here

precip, snowfall, snow depth

Rank-

Jamacia PlainJPBM3

At a cooperative observer's station/8.8 mi away/102 ft/48 ft below here

snowfall, snow depth, precip, high, low

Rank422of 747

Station report

The weather at Norwood Memorial, drawn

The nearest airport reporting now, 9.9 mi from Wellesley, Massachusetts. From its report of Oct 16, 2026, 6:53 PM local time: 3 of its 6 sheets.

The sky

A few clouds at 1,900 ft; visibility 10 mi or more.

Section of the sky over Norwood Memorial, height above the station to scale: a few clouds cloud with its base at 1,900 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT OWDFIG. A THE SKY OVER NORWOOD MEMORIALSECTION, 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 SHEETFEW 1,900 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYVISIBILITY, MILES: 10 MI OR MORE0510TITLENorwood Memorial, the skySTATION REPORT · ASOS OWDTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-OWD-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

67.0 F with a dew point of 63.0 F, 87 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 900 ft up; the lowest cloud reported is at 1,900 ft.

Chart of the air at Norwood Memorial: temperature 67.0 degrees Fahrenheit and dew point 63.0, 87 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 900 feet above the station, against the lowest cloud reported at 1,900 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT OWDFIG. B THE AIR AT NORWOOD MEMORIALTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00050 F60 F70 F80 FSATURATES 900 FT ABOVE THE STATION, AT 62.1 FLOWEST CLOUD REPORTED, FEW 1,900 FTTEMPERATURE 67.0 FDEW POINT 63.0 FSPREAD 4.0 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 POINTTITLENorwood Memorial, the airSTATION REPORT · ASOS OWDTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-OWD-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the southwest (220 degrees) at 7 mph, gusting 17 mph: force 2, a light breeze on the Beaufort scale. The strongest gust today was 21 mph.

Plan of the wind at Norwood Memorial, north up: blowing from 220 degrees, the southwest, at 7 miles an hour, gusting 17; beside it the Beaufort scale from calm to hurricane force, force 2, light breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT OWDFIG. C THE WIND AT NORWOOD MEMORIALPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 220°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 7 MPH3GENTLE BREEZE84MODERATE BREEZE13GUST, 17 MPH5FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLENorwood Memorial, the windSTATION REPORT · ASOS OWDTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-OWD-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Norwood Memorial, 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 Wellesley

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

Near Wellesley

River and lake gauges