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Hornell, New York

City in Steuben County, New York

Air quality

The air at Hornell

Index 28, good, led by ozone. Read at 1 AM from its reporting area, Central New York Region (NY), 74 miles off.

28Good
  • Fine particles (PM2.5)16Good-
  • Ozone28Good-

The days ahead

Good each day through Today, led by fine particles. Yesterday measured 11, good.

Smoke, the next 43 hours

No smoke near the ground through Sat 8 PM.

FriSat

Precipitation

What has fallen at Hornell

None in the last 3 days, to Fri 1 AM. 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 Hornell, the next 43 hours

Visibility stays 4 miles or more through Sat 8 PM, lowest 4 miles Fri 6 AM.

FriSat

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

What is measuring near here

The 5 instruments nearest Hornell, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.2 miles away.

measured now3 instruments

measured daily2 instruments

Hornell 0.2 WSWNY-ST-42

In a volunteer observer's own ground/0.2 mi away/1,157 ft/3 ft above here

precip, snowfall, snow depth

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Station report

The weather at Dansville Municipal, drawn

The nearest airport reporting now, 17.3 mi from Hornell, New York. From its report of Oct 16, 2026, 1:54 AM local time: 3 of its 6 sheets.

The sky

Overcast at 2,600 ft; the ceiling is 2,600 ft; visibility 10 mi or more.

Section of the sky over Dansville Municipal, height above the station to scale: overcast cloud with its base at 2,600 feet, the ceiling at 2,600 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DSVFIG. A THE SKY OVER DANSVILLE MUNICIPALSECTION, 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 STATION05001,0001,5002,0002,5003,0003,5004,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 2,600 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 2,600 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEDansville Municipal, the skySTATION REPORT · ASOS DSVTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-DSV-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

62.0 F with a dew point of 53.0 F, 72 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,100 ft up; the lowest cloud reported is at 2,600 ft.

Chart of the air at Dansville Municipal: temperature 62.0 degrees Fahrenheit and dew point 53.0, 72 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,100 feet above the station, against the lowest cloud reported at 2,600 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DSVFIG. B THE AIR AT DANSVILLE MUNICIPALTHE 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 2,100 FT ABOVE THE STATION, AT 51.0 FLOWEST CLOUD REPORTED, OVC 2,600 FTTEMPERATURE 62.0 FDEW POINT 53.0 FSPREAD 9.0 FRELATIVE HUMIDITY 72 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 POINTTITLEDansville Municipal, the airSTATION REPORT · ASOS DSVTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-DSV-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the southeast (130 degrees) at 13 mph, gusting 22 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 22 mph.

Plan of the wind at Dansville Municipal, north up: blowing from 130 degrees, the southeast, at 13 miles an hour, gusting 22; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DSVFIG. C THE WIND AT DANSVILLE MUNICIPALPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 130°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 13 MPH5FRESH BREEZE19GUST, 22 MPH6STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEDansville Municipal, the windSTATION REPORT · ASOS DSVTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-DSV-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

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Snow on the ground

Elsewhere in New York

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

Near Hornell

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

Near Hornell

River and lake gauges