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Port Leyden, New York

Village in Lewis County, New York

Air quality

The air at Port Leyden

Index 20, good, led by ozone. Read at 8 AM from its reporting area, Adirondacks Region (NY), 72 miles off.

20Good
  • Fine particles (PM2.5)4Good-
  • Ozone20Good-

The days ahead

Good each day through Today, led by fine particles. Yesterday measured 27, good.

Smoke, the next 42 hours

No smoke near the ground through Sun 2 AM.

FriSat

Precipitation

What has fallen at Port Leyden

0.18 in in the last 24 hours, 0.94 in over the last 3 days, to Fri 7 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.18in
Last 3 days
0.94in

Visibility

How far you can see at Port Leyden, the next 42 hours

Mist or haze: visibility falls to 1 miles Fri 10 AM.

FriSat

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

What is measuring near here

The 5 instruments nearest Port Leyden, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.4 miles away.

measured now3 instruments

measured daily2 instruments

Port Leyden 0.5 WSWNY-LW-7

In a volunteer observer's own ground/0.4 mi away/958 ft/63 ft above here

precip, snowfall, snow depth

Rank-

High MarketHGHN6

At a cooperative observer's station/8.7 mi away/1,726 ft/831 ft above here

snowfall, snow depth, precip, high, low

Rank208of 1,432

Station report

The weather at Griffiss AFB / Rome, drawn

The nearest airport reporting now, 25.0 mi from Port Leyden, New York. From its report of Oct 16, 2026, 7:53 AM local time: 3 of its 6 sheets.

The sky

Overcast at 1,800 ft; the ceiling is 1,800 ft; visibility 10 mi or more.

Section of the sky over Griffiss AFB / Rome, height above the station to scale: overcast cloud with its base at 1,800 feet, the ceiling at 1,800 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RMEFIG. A THE SKY OVER GRIFFISS AFB / ROMESECTION, 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 1,800 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 1,800 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEGriffiss AFB / Rome, the skySTATION REPORT · ASOS RMETYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-RME-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

56.0 F with a dew point of 53.0 F, 90 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 700 ft up; the lowest cloud reported is at 1,800 ft.

Chart of the air at Griffiss AFB / Rome: temperature 56.0 degrees Fahrenheit and dew point 53.0, 90 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 700 feet above the station, against the lowest cloud reported at 1,800 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RMEFIG. B THE AIR AT GRIFFISS AFB / ROMETHE 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 F70 FSATURATES 700 FT ABOVE THE STATION, AT 52.2 FLOWEST CLOUD REPORTED, OVC 1,800 FTTEMPERATURE 56.0 FDEW POINT 53.0 FSPREAD 3.0 FRELATIVE HUMIDITY 90 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 POINTTITLEGriffiss AFB / Rome, the airSTATION REPORT · ASOS RMETYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-RME-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the east southeast (120 degrees) at 6 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Griffiss AFB / Rome, north up: blowing from 120 degrees, the east southeast, at 6 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 RMEFIG. C THE WIND AT GRIFFISS AFB / ROMEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 120°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 6 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEGriffiss AFB / Rome, the windSTATION REPORT · ASOS RMETYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-RME-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Griffiss AFB / Rome, in 6 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at High Market (HGHN6), 8.7 miles from here, read 16 Oct, 06:00. measured daily

Elsewhere in New York

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

Near Port Leyden

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

Near Port Leyden

River and lake gauges