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Rock Hill, New York

Community in Sullivan County, New York

Air quality

The air at Rock Hill

Index 18, good, led by fine particles. Read at 1 AM from its reporting area, Lower Hudson Valley Region (NY), 43 miles off.

18Good
  • Fine particles (PM2.5)18Good-
  • Ozone14Good-

The days ahead

Good each day through Today, led by fine particles. Yesterday measured 6, good.

Smoke, the next 43 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 Rock Hill

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 Rock Hill, the next 43 hours

Mist or haze: visibility falls to 2 miles Fri 6 PM.

FriSat

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

What is measuring near here

The 5 instruments nearest Rock Hill, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.4 miles away.

measured now3 instruments

MonticelloMSV

At an airfield/12.2 mi away/1,404 ft/117 ft below here

temp, wind, gust, visibility, precip, pressure

Rank786of 1,432

measured daily2 instruments

Woodridge 4.3 SNY-SV-2

In a volunteer observer's own ground/2.4 mi away/1,302 ft/219 ft below here

precip, snowfall, snow depth

Rank-

Liberty 1 NeLBTN6

At a cooperative observer's station/15.0 mi away/1,598 ft/77 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Monticello, drawn

The nearest airport reporting now, 12.2 mi from Rock Hill, New York. From its report of Oct 16, 2026, 1:56 AM local time: 3 of its 6 sheets.

The sky

Overcast at 2,300 ft; the ceiling is 2,300 ft; visibility 6 mi.

Section of the sky over Monticello, height above the station to scale: overcast cloud with its base at 2,300 feet, the ceiling at 2,300 feet, and visibility of 6 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MSVFIG. A THE SKY OVER MONTICELLOSECTION, 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 STATION05001,0001,5002,0002,5003,0003,500ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 2,300 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 2,300 FTVISIBILITY, MILES: 6 MI0510TITLEMonticello, the skySTATION REPORT · ASOS MSVTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-MSV-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

51.0 F with a dew point of 47.0 F, 86 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 900 ft up; the lowest cloud reported is at 2,300 ft.

Chart of the air at Monticello: temperature 51.0 degrees Fahrenheit and dew point 47.0, 86 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 900 feet above the station, against the lowest cloud reported at 2,300 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MSVFIG. B THE AIR AT MONTICELLOTHE 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 900 FT ABOVE THE STATION, AT 46.0 FLOWEST CLOUD REPORTED, OVC 2,300 FTTEMPERATURE 51.0 FDEW POINT 47.0 FSPREAD 4.0 FRELATIVE HUMIDITY 86 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 POINTTITLEMonticello, the airSTATION REPORT · ASOS MSVTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-MSV-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south southeast (160 degrees) at 10 mph: force 3, a gentle breeze on the Beaufort scale.

Plan of the wind at Monticello, north up: blowing from 160 degrees, the south southeast, at 10 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MSVFIG. C THE WIND AT MONTICELLOPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 160°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 10 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEMonticello, the windSTATION REPORT · ASOS MSVTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-MSV-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Monticello, 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 Rock Hill

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

Near Rock Hill

River and lake gauges