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Mamaroneck, New York

Village in Westchester County, New York

Air quality

The air at Mamaroneck

Index 29, good, led by ozone. Read at 2 AM from its reporting area, New York City Region (NY), 9 miles off.

29Good
  • Fine particles (PM2.5)17Good-
  • Ozone29Good-

The days ahead

Good each day through Today, led by fine particles. Yesterday measured 23, good.

Smoke, the next 42 hours

Little smoke near the ground through Sat 8 PM: the index from smoke stays at 6 or under.

FriSat

Precipitation

What has fallen at Mamaroneck

None in the last 24 hours; 0.01 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
0.01in

Visibility

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

Visibility stays 3 miles or more through Sat 8 PM, lowest 4 miles Fri 10 AM.

FriSat

On the radar over Mamaroneck, New YorkReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Mamaroneck, 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

SchodackNY003

Beside a road/13.8 mi away/328 ft/314 ft above here

temp, pavement temp, wind, visibility, precip

Rank1,057of 1,432

measured daily2 instruments

Mamaroneck 1.5 NNY-WC-4

In a volunteer observer's own ground/0.6 mi away/49 ft/35 ft above here

precip, snowfall, snow depth

Rank-

SyossetSYON6

At a cooperative observer's station/15.6 mi away/251 ft/237 ft above here

snowfall, snow depth, precip, high, low

Rank28of 1,432

Station report

The weather at White Plains, drawn

The nearest airport reporting now, 8.1 mi from Mamaroneck, New York. From its report of Oct 16, 2026, 2:40 AM local time: 3 of its 6 sheets.

The sky

Broken at 2,900 ft, overcast at 4,800 ft; the ceiling is 2,900 ft; visibility 10 mi or more.

Section of the sky over White Plains, height above the station to scale: broken cloud with its base at 2,900 feet, overcast cloud with its base at 4,800 feet, the ceiling at 2,900 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT HPNFIG. A THE SKY OVER WHITE PLAINSSECTION, 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 STATION01,0002,0003,0004,0005,0006,0007,0008,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 4,800 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 2,900 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 2,900 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEWhite Plains, the skySTATION REPORT · ASOS HPNTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-HPN-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

56.0 F with a dew point of 50.0 F, 80 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,400 ft up; the lowest cloud reported is at 2,900 ft.

Chart of the air at White Plains: temperature 56.0 degrees Fahrenheit and dew point 50.0, 80 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,400 feet above the station, against the lowest cloud reported at 2,900 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT HPNFIG. B THE AIR AT WHITE PLAINSTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,00040 F50 F60 F70 FSATURATES 1,400 FT ABOVE THE STATION, AT 48.6 FLOWEST CLOUD REPORTED, BKN 2,900 FTTEMPERATURE 56.0 FDEW POINT 50.0 FSPREAD 6.0 FRELATIVE HUMIDITY 80 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 POINTTITLEWhite Plains, the airSTATION REPORT · ASOS HPNTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-HPN-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the southeast (140 degrees) at 5 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at White Plains, north up: blowing from 140 degrees, the southeast, at 5 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 HPNFIG. C THE WIND AT WHITE PLAINSPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 140°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 5 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEWhite Plains, the windSTATION REPORT · ASOS HPNTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-HPN-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

-

Snow on the ground

Elsewhere in New York

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

Near Mamaroneck

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

Near Mamaroneck

River and lake gauges