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Canton, New York

Village in St. Lawrence County, New York

Air quality

The air at Canton

Index 23, good, led by ozone. Read at 12 AM from its reporting area, Adirondacks Region (NY), 50 miles off.

23Good
  • Fine particles (PM2.5)6Good-
  • Ozone23Good-

The days ahead

Good each day through Mon Oct 19, led by fine particles. Yesterday measured 27, good.

Smoke, the next 45 hours

No smoke near the ground through Sun 8 PM.

SatSun

Precipitation

What has fallen at Canton

0.65 in in the last 24 hours, and none in the 2 days before, to Fri 11 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.65in
Last 3 days
0.65in

Visibility

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

Visibility stays 9 miles or more through Sun 8 PM, lowest 10 miles Sun 7 AM.

SatSun

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

What is measuring near here

The 5 instruments nearest Canton, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 9.4 miles away.

measured now3 instruments

PotsdamPTD

At an airfield/12.2 mi away/461 ft/78 ft above here

temp, wind, gust, visibility, precip, pressure

Rank1,335of 1,447

measured daily2 instruments

Potsdam 1.1 SSWNY-SL-23

In a volunteer observer's own ground/9.4 mi away/441 ft/58 ft above here

precip, snowfall, snow depth

Rank-

Colton 2 NCLTN6

At a cooperative observer's station/10.3 mi away/554 ft/171 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Potsdam, drawn

The nearest airport reporting now, 12.2 mi from Canton, New York. From its report of Oct 17, 2026, 12:15 AM local time: 3 of its 6 sheets.

The sky

Broken at 2,800 ft, broken at 3,600 ft; the ceiling is 2,800 ft; visibility 10 mi or more.

Section of the sky over Potsdam, height above the station to scale: broken cloud with its base at 2,800 feet, broken cloud with its base at 3,600 feet, the ceiling at 2,800 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PTDFIG. A THE SKY OVER POTSDAMSECTION, 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 STATION01,0002,0003,0004,0005,0006,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETBKN 3,600 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYBKN 2,800 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 2,800 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEPotsdam, the skySTATION REPORT · ASOS PTDTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-17IDSR-PTD-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

39.2 F with a dew point of 37.4 F, 93 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 400 ft up; the lowest cloud reported is at 2,800 ft.

Chart of the air at Potsdam: temperature 39.2 degrees Fahrenheit and dew point 37.4, 93 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 400 feet above the station, against the lowest cloud reported at 2,800 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PTDFIG. B THE AIR AT POTSDAMTHE 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 FSATURATES 400 FT ABOVE THE STATION, AT 37.0 FLOWEST CLOUD REPORTED, BKN 2,800 FTTEMPERATURE AND DEW POINT 39.2 F, 37.4 FRELATIVE HUMIDITY 93 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 POINTTITLEPotsdam, the airSTATION REPORT · ASOS PTDTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-17IDSR-PTD-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west southwest (240 degrees) at 5 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Potsdam, north up: blowing from 240 degrees, the west southwest, 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 PTDFIG. C THE WIND AT POTSDAMPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 240°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 5 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEPotsdam, the windSTATION REPORT · ASOS PTDTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-17IDSR-PTD-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

-

Snow on the ground

Elsewhere in New York

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

Near Canton

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

Near Canton

River and lake gauges