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McLean, New York

Community in Tompkins County, New York

Air quality

The air at McLean

Index 28, good, led by ozone. Read at 11 PM from its reporting area, Central New York Region (NY), 18 miles off.

28Good
  • Fine particles (PM2.5)19Good-
  • Ozone28Good-

The days ahead

Good each day through Today, led by fine particles. Yesterday measured 36, good.

Smoke, the next 45 hours

No smoke near the ground through Sat 8 PM.

FriSat

Precipitation

What has fallen at McLean

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 McLean, the next 45 hours

Mist or haze: visibility falls to 3 miles Fri 2 PM.

FriSat

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

What is measuring near here

The 6 instruments nearest McLean, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.0 miles away.

measured now4 instruments

CortlandN03

At an airfield/4.9 mi away/1,170 ft/40 ft above here

temp, wind, gust, visibility, precip, pressure

Rank971of 1,432

Ithaca 13 E64758

At a climate reference station/8.0 mi away/1,228 ft/98 ft above here

temp, humidity, wind, solar, precip

Rank964of 1,432

Ithaca 13EITCN6

At a river or reservoir gauge/8.1 mi away/1,368 ft/238 ft above here

temp, wind, gust, humidity, pressure

Rank378of 1,432

measured daily2 instruments

Freeville 3.3 ENY-TM-96

In a volunteer observer's own ground/2.0 mi away/1,371 ft/241 ft above here

precip, snowfall, snow depth

Rank-

FreevilleFVLN6

At a cooperative observer's station/3.0 mi away/1,037 ft/93 ft below here

snowfall, snow depth, precip, high, low

Rank986of 1,432

Station report

The weather at Cortland, drawn

The nearest airport reporting now, 4.9 mi from McLean, New York. From its report of Oct 15, 2026, 11:55 PM local time: 3 of its 6 sheets.

The sky

Broken at 2,900 ft, broken at 4,700 ft, overcast at 5,000 ft; the ceiling is 2,900 ft; visibility 10 mi or more.

Section of the sky over Cortland, height above the station to scale: broken cloud with its base at 2,900 feet, broken cloud with its base at 4,700 feet, overcast cloud with its base at 5,000 feet, the ceiling at 2,900 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT N03FIG. A THE SKY OVER CORTLANDSECTION, 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 STATION01,0002,0003,0004,0005,0006,0007,0008,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 5,000 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 4,700 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYBKN 2,900 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 2,900 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLECortland, the skySTATION REPORT · ASOS N03TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-N03-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

55.4 F with a dew point of 46.4 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 2,900 ft.

Chart of the air at Cortland: temperature 55.4 degrees Fahrenheit and dew point 46.4, 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 2,900 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT N03FIG. B THE AIR AT CORTLANDTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,00030 F40 F50 F60 F70 FSATURATES 2,100 FT ABOVE THE STATION, AT 44.4 FLOWEST CLOUD REPORTED, BKN 2,900 FTTEMPERATURE 55.4 FDEW POINT 46.4 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 POINTTITLECortland, the airSTATION REPORT · ASOS N03TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-N03-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south (170 degrees) at 5 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Cortland, north up: blowing from 170 degrees, the south, 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 N03FIG. C THE WIND AT CORTLANDPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 170°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 5 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLECortland, the windSTATION REPORT · ASOS N03TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-N03-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Freeville (FVLN6), 3.0 miles from here, read 15 Oct, 08:00. measured daily

Elsewhere in New York

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

Near McLean

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

Near McLean

River and lake gauges