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Delevan, New York

Village in Cattaraugus County, New York

Air quality

The air at Delevan

Index 29, good, led by fine particles. Read at 12 AM from its reporting area, Western New York Region (NY), 32 miles off.

29Good
  • Fine particles (PM2.5)29Good-
  • Ozone19Good-

The days ahead

Good each day through Today, led by fine particles. Yesterday measured 33, good.

Smoke, the next 44 hours

No smoke near the ground through Sat 8 PM.

FriSat

Precipitation

What has fallen at Delevan

None in the last 3 days, to Thu 11 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.00in

Visibility

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

Mist or haze: visibility falls to 3 miles Fri 9 PM.

FriSat

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

What is measuring near here

The 5 instruments nearest Delevan, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 3.2 miles away.

measured now3 instruments

ArcadeARCN6

At a river or reservoir gauge/3.2 mi away/1,433 ft/8 ft below here

temp, wind, gust, humidity, pressure

Rank921of 1,432

OleanOLE

At an airfield/18.1 mi away/2,130 ft/689 ft above here

temp, wind, gust, visibility, precip, pressure

Rank984of 1,432

measured daily2 instruments

Yorkshire 3.7 WSWNY-CT-17

In a volunteer observer's own ground/3.8 mi away/1,269 ft/172 ft below here

precip, snowfall, snow depth

Rank-

SpringvilleSGVN6

At a cooperative observer's station/6.5 mi away/1,690 ft/249 ft above here

snowfall, snow depth, precip, high, low

Rank109of 1,432

Station report

The weather at Olean, drawn

The nearest airport reporting now, 18.1 mi from Delevan, New York. From its report of Oct 16, 2026, 12:35 AM local time: 3 of its 6 sheets.

The sky

Overcast at 1,100 ft; the ceiling is 1,100 ft; visibility 10 mi or more.

Section of the sky over Olean, height above the station to scale: overcast cloud with its base at 1,100 feet, the ceiling at 1,100 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT OLEFIG. A THE SKY OVER OLEANSECTION, 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 SHEETOVC 1,100 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 1,100 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEOlean, the skySTATION REPORT · ASOS OLETYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-OLE-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

53.6 F with a dew point of 50.0 F, 88 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 800 ft up; the lowest cloud reported is at 1,100 ft.

Chart of the air at Olean: temperature 53.6 degrees Fahrenheit and dew point 50.0, 88 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 800 feet above the station, against the lowest cloud reported at 1,100 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT OLEFIG. B THE AIR AT OLEANTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00040 F50 F60 FSATURATES 800 FT ABOVE THE STATION, AT 49.2 FLOWEST CLOUD REPORTED, OVC 1,100 FTTEMPERATURE 53.6 FDEW POINT 50.0 FSPREAD 3.6 FRELATIVE HUMIDITY 88 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 POINTTITLEOlean, the airSTATION REPORT · ASOS OLETYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-OLE-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south (190 degrees) at 13 mph, gusting 20 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 20 mph.

Plan of the wind at Olean, north up: blowing from 190 degrees, the south, at 13 miles an hour, gusting 20; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT OLEFIG. C THE WIND AT OLEANPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 190°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 13 MPH5FRESH BREEZE19GUST, 20 MPH6STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEOlean, the windSTATION REPORT · ASOS OLETYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-OLE-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Springville (SGVN6), 6.5 miles from here, read 15 Oct, 09:00. measured daily

Elsewhere in New York

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

Near Delevan

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

Near Delevan

River and lake gauges