Storm Station
Sign in

Ardsley, New York

Village in Westchester County, New York

Air quality

The air at Ardsley

Index 35, good, led by fine particles. Read at 7 AM from its reporting area, New York City Region (NY), 12 miles off.

35Good
  • Fine particles (PM2.5)35Good12.7 mi
  • Ozone23Good24 ppb12.5 mi
  • Nitrogen dioxide8Good8 ppb12.7 mi
  • Sulfur dioxide0Good0 ppb22.6 mi
  • Carbon monoxide-0.1 ppm12.7 mi

The days ahead

Good each day through Mon Oct 19, led by fine particles. Yesterday measured 37, good.

Smoke, the next 44 hours

No smoke near the ground through Mon 2 AM.

SatSun

Precipitation

What has fallen at Ardsley

0.34 in in the last 24 hours, 0.43 in over the last 3 days, to Sat 6 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.34in
Last 3 days
0.43in

Visibility

How far you can see at Ardsley, the next 44 hours

Visibility stays 10 miles or more through Mon 2 AM.

SatSun

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

What is measuring near here

The 6 instruments nearest Ardsley, 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

SchodackNY003

Beside a road/20.4 mi away/328 ft/25 ft below here

temp, pavement temp, wind, visibility, precip

Rank1,068of 1,447

measured daily2 instruments

Ardsley 0.5 NENY-WC-26

In a volunteer observer's own ground/0.5 mi away/383 ft/30 ft above here

precip, snowfall, snow depth

Rank-

Shrub OakOAKN6

At a cooperative observer's station/22.1 mi away/428 ft/75 ft above here

snowfall, snow depth, precip, high, low

Rank21of 1,447

Station report

The weather at White Plains, drawn

The nearest airport reporting now, 7.8 mi from Ardsley, New York. From its report of Oct 17, 2026, 6:56 AM local time: 3 of its 6 sheets.

The sky

Overcast at 11,000 ft; the ceiling is 11,000 ft; visibility 10 mi or more.

Section of the sky over White Plains, height above the station to scale: overcast cloud with its base at 11,000 feet, the ceiling at 11,000 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 STATION02,5005,0007,50010,00012,50015,00017,500ETAGESLOWMIDDLEHIGHTHE STATIONTHE CEILOMETER READS TO 12,000 FTOVC 11,000 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 11,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEWhite Plains, the skySTATION REPORT · ASOS HPNTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-17IDSR-HPN-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-013, FB-SKY-014

The air

49.0 F with a dew point of 36.0 F, 61 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 3,000 ft up; the lowest cloud reported is at 11,000 ft.

Chart of the air at White Plains: temperature 49.0 degrees Fahrenheit and dew point 36.0, 61 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 3,000 feet above the station, against the lowest cloud reported at 11,000 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 STATION02,0004,0006,0008,00010,00020 F30 F40 F50 F60 FSATURATES 3,000 FT ABOVE THE STATION, AT 33.2 FABOVE THIS SHEET: LOWEST CLOUD REPORTED, OVC 11,000 FTTEMPERATURE 49.0 FDEW POINT 36.0 FSPREAD 13.0 FRELATIVE HUMIDITY 61 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 6DATE2026-10-17IDSR-HPN-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north (350 degrees) at 13 mph, gusting 23 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 37 mph.

Plan of the wind at White Plains, north up: blowing from 350 degrees, the north, at 13 miles an hour, gusting 23; beside it the Beaufort scale from calm to hurricane force, force 4, moderate 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 350°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 13 MPH5FRESH BREEZE19GUST, 23 MPH6STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEWhite Plains, the windSTATION REPORT · ASOS HPNTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-17IDSR-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

0in

Snow on the ground

Measured at Shrub Oak (OAKN6), 22.1 miles from here, read 17 Oct, 07:00. measured daily

Elsewhere in New York

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

Near Ardsley

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

Near Ardsley

River and lake gauges