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Malden, Massachusetts

City in Middlesex County, Massachusetts

Air quality

The air at Malden

Index 18, good, led by fine particles. Read at 2 AM from its reporting area, Boston Metro (MA), 5 miles off.

18Good
  • Fine particles (PM2.5)18Good5.5 mi
  • Ozone11Good18 ppb5.5 mi
  • Coarse particles (PM10)6Good7 mi
  • Nitrogen dioxide8Good8.8 ppb5.5 mi
  • Sulfur dioxide1Good1.2 ppb5.9 mi
  • Carbon monoxide-0.2 ppm7 mi

The days ahead

Good each day through Sat Oct 17, led by fine particles. Yesterday measured 24, good.

Smoke, the next 42 hours

No smoke near the ground through Sat 8 PM.

FriSat

Precipitation

What has fallen at Malden

None in the last 24 hours; 0.13 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
0.13in

Visibility

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

Mist or haze: visibility falls to 2 miles Fri 10 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest Malden, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.0 miles away.

measured now4 instruments

measured daily2 instruments

Melrose 0.9 SSEMA-MD-31

In a volunteer observer's own ground/1.1 mi away/114 ft/98 ft above here

precip, snowfall, snow depth

Rank-

Jamacia PlainJPBM3

At a cooperative observer's station/9.0 mi away/102 ft/86 ft above here

snowfall, snow depth, precip, high, low

Rank464of 744

Station report

The weather at Boston/Logan INTL, drawn

The nearest airport reporting now, 5.4 mi from Malden, Massachusetts. From its report of Oct 16, 2026, 2:54 AM local time: 3 of its 6 sheets.

The sky

Scattered at 12,000 ft, overcast at 25,000 ft; the ceiling is 25,000 ft; visibility 10 mi or more.

Section of the sky over Boston/Logan INTL, height above the station to scale: scattered cloud with its base at 12,000 feet, overcast cloud with its base at 25,000 feet, the ceiling at 25,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT BOSFIG. A THE SKY OVER BOSTON/LOGAN INTLSECTION, 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 STATION05,00010,00015,00020,00025,00030,00035,00040,000ETAGESLOWMIDDLEHIGHTHE STATIONTHE CEILOMETER READS TO 12,000 FTOVC 25,000 FTOVERCAST, 8 EIGHTHS OF THE SKYSCT 12,000 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYCEILING 25,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEBoston/Logan INTL, the skySTATION REPORT · ASOS BOSTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-BOS-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-013, FB-SKY-014, FB-SKY-010, FB-SKY-011, FB-SKY-012

The air

52.0 F with a dew point of 41.0 F, 66 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,500 ft up; the lowest cloud reported is at 12,000 ft.

Chart of the air at Boston/Logan INTL: temperature 52.0 degrees Fahrenheit and dew point 41.0, 66 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,500 feet above the station, against the lowest cloud reported at 12,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT BOSFIG. B THE AIR AT BOSTON/LOGAN INTLTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION02,0004,0006,0008,00030 F40 F50 F60 FSATURATES 2,500 FT ABOVE THE STATION, AT 38.6 FABOVE THIS SHEET: LOWEST CLOUD REPORTED, SCT 12,000 FTTEMPERATURE 52.0 FDEW POINT 41.0 FSPREAD 11.0 FRELATIVE HUMIDITY 66 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 POINTTITLEBoston/Logan INTL, the airSTATION REPORT · ASOS BOSTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-BOS-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south (170 degrees) at 7 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Boston/Logan INTL, north up: blowing from 170 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 BOSFIG. C THE WIND AT BOSTON/LOGAN INTLPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 170°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 7 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEBoston/Logan INTL, the windSTATION REPORT · ASOS BOSTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-BOS-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Boston/Logan INTL, 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 Malden

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

Near Malden

River and lake gauges