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Nelliston, New York

Village in Montgomery County, New York

Air quality

The air at Nelliston

Index 21, good, led by ozone. Read at 6 AM from its reporting area, Upper Hudson Valley Region (NY), 58 miles off.

21Good
  • Fine particles (PM2.5)4Good-
  • Ozone21Good-

The days ahead

Good each day through Mon Oct 19, led by fine particles. Yesterday measured 21, good.

Smoke, the next 45 hours

No smoke near the ground through Mon 2 AM.

SatSun

Precipitation

What has fallen at Nelliston

0.66 in in the last 24 hours, and none in the 2 days before, to Sat 5 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.66in
Last 3 days
0.66in

Visibility

How far you can see at Nelliston, the next 45 hours

Visibility stays 10 miles or more through Mon 2 AM.

SatSun

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

What is measuring near here

The 5 instruments nearest Nelliston, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.7 miles away.

measured now3 instruments

JohnstownNY0

At an airfield/15.0 mi away/863 ft/493 ft above here

temp, wind, gust, visibility, precip, pressure

Rank992of 1,447

measured daily2 instruments

Station report

The weather at Johnstown, drawn

The nearest airport reporting now, 15.0 mi from Nelliston, New York. From its report of Oct 17, 2026, 5:55 AM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 10 mi or more.

Section of the sky over Johnstown, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT NY0FIG. A THE SKY OVER JOHNSTOWNSECTION, 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 SHEETNO CLOUD DETECTED BELOW 12,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEJohnstown, the skySTATION REPORT · ASOS NY0TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-17IDSR-NY0-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

39.2 F with a dew point of 32.4 F, 76 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,500 ft up.

Chart of the air at Johnstown: temperature 39.2 degrees Fahrenheit and dew point 32.4, 76 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,500 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT NY0FIG. B THE AIR AT JOHNSTOWNTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00020 F30 F40 F50 FSATURATES 1,500 FT ABOVE THE STATION, AT 30.9 FTEMPERATURE 39.2 FDEW POINT 32.4 FSPREAD 6.8 FRELATIVE HUMIDITY 76 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 POINTTITLEJohnstown, the airSTATION REPORT · ASOS NY0TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-17IDSR-NY0-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west northwest (290 degrees) at 5 mph: force 2, a light breeze on the Beaufort scale. The strongest gust today was 18 mph.

Plan of the wind at Johnstown, north up: blowing from 290 degrees, the west northwest, 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 NY0FIG. C THE WIND AT JOHNSTOWNPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 290°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 5 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEJohnstown, the windSTATION REPORT · ASOS NY0TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-17IDSR-NY0-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Gloversville 7NW (PEKN6), 15.7 miles from here, read 16 Oct, 08:00. measured daily

Elsewhere in New York

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

Near Nelliston

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

Near Nelliston

River and lake gauges