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Waterloo, New York

Village in Seneca County, New York

Air quality

The air at Waterloo

Index 22, good, led by ozone. Read at 6 AM from its reporting area, Central New York Region (NY), 26 miles off.

22Good
  • Fine particles (PM2.5)12Good-
  • Ozone22Good-

The days ahead

Good each day through Mon Oct 19, led by fine particles. Yesterday measured 23, good.

Smoke, the next 44 hours

No smoke near the ground through Mon 2 AM.

SatSun

Precipitation

What has fallen at Waterloo

0.30 in in the last 24 hours, 0.70 in over the last 3 days, to Sat 6 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.30in
Last 3 days
0.70in

Visibility

How far you can see at Waterloo, the next 44 hours

Visibility stays 9 miles or more through Mon 2 AM, lowest 10 miles Sun 8 AM.

SatSun

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

What is measuring near here

The 6 instruments nearest Waterloo, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.9 miles away.

measured now4 instruments

Geneva #1S2011

At a soil climate station/9.0 mi away/725 ft/270 ft above here

temp, humidity, soil temp, soil moisture

Rank988of 1,447

Penn YanPEO

At an airfield/20.6 mi away/876 ft/421 ft above here

temp, wind, gust, visibility, precip, pressure

Rank5of 1,447

measured daily2 instruments

Waterloo 2.9 NNWNY-SN-3

In a volunteer observer's own ground/2.9 mi away/480 ft/25 ft above here

precip, snowfall, snow depth

Rank-

Seneca Lake At GenevaGNVN6

At a cooperative observer's station/6.9 mi away/459 ft/4 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Penn Yan, drawn

The nearest airport reporting now, 20.6 mi from Waterloo, New York. From its report of Oct 17, 2026, 6:53 AM local time: 3 of its 6 sheets.

The sky

A few clouds at 1,900 ft, scattered at 4,900 ft; visibility 10 mi or more.

Section of the sky over Penn Yan, height above the station to scale: a few clouds cloud with its base at 1,900 feet, scattered cloud with its base at 4,900 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PEOFIG. A THE SKY OVER PENN YANSECTION, 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 SHEETSCT 4,900 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYFEW 1,900 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYVISIBILITY, MILES: 10 MI OR MORE0510TITLEPenn Yan, the skySTATION REPORT · ASOS PEOTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-17IDSR-PEO-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

39.0 F with a dew point of 35.0 F, 85 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 1,900 ft.

Chart of the air at Penn Yan: temperature 39.0 degrees Fahrenheit and dew point 35.0, 85 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 1,900 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PEOFIG. B THE AIR AT PENN YANTHE 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 900 FT ABOVE THE STATION, AT 34.1 FLOWEST CLOUD REPORTED, FEW 1,900 FTTEMPERATURE 39.0 FDEW POINT 35.0 FSPREAD 4.0 FRELATIVE HUMIDITY 85 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 POINTTITLEPenn Yan, the airSTATION REPORT · ASOS PEOTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-17IDSR-PEO-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northwest (330 degrees) at 9 mph, gusting 20 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 24 mph.

Plan of the wind at Penn Yan, north up: blowing from 330 degrees, the north northwest, at 9 miles an hour, gusting 20; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PEOFIG. C THE WIND AT PENN YANPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 330°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 9 MPH4MODERATE BREEZE135FRESH BREEZE19GUST, 20 MPH6STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEPenn Yan, the windSTATION REPORT · ASOS PEOTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-17IDSR-PEO-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Penn Yan, 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 Waterloo

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

Near Waterloo

River and lake gauges