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Lake Seneca, Ohio

Community in Williams County, Ohio

Air quality

The air at Lake Seneca

Index 28, good, led by fine particles. Read at 5 AM from its reporting area, Jackson (MI), 29 miles off.

28Good
  • Fine particles (PM2.5)28Good-
  • Ozone8Good-
  • Coarse particles (PM10)5Good-

The days ahead

Good each day through Today, led by ozone. Yesterday measured 22, good.

Smoke, the next 46 hours

No smoke near the ground through Sun 2 AM.

FriSat

Precipitation

What has fallen at Lake Seneca

0.13 in in the last 24 hours, 1.05 in over the last 3 days, to Fri 4 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.13in
Last 3 days
1.05in

Visibility

How far you can see at Lake Seneca, the next 46 hours

Mist or haze: visibility falls to 3 miles Fri 4 PM.

FriSat

On the radar over Lake Seneca, OhioReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Lake Seneca, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 4.1 miles away.

measured now4 instruments

DefianceDFI

At an airfield/25.3 mi away/719 ft/191 ft below here

temp, wind, gust, visibility, precip, pressure

Rank217of 1,590

measured daily2 instruments

Pioneer 2.3 SOH-WL-8

In a volunteer observer's own ground/5.1 mi away/874 ft/36 ft below here

precip, snowfall, snow depth

Rank-

MontpelierMOPO1

At a cooperative observer's station/6.7 mi away/866 ft/44 ft below here

snowfall, snow depth, precip, high, low

Rank219of 1,590

Station report

The weather at Defiance, drawn

The nearest airport reporting now, 25.3 mi from Lake Seneca, Ohio. From its report of Oct 16, 2026, 5:42 AM local time: 3 of its 6 sheets.

The sky

Scattered at 2,500 ft, overcast at 3,600 ft; the ceiling is 3,600 ft; visibility 10 mi or more.

Section of the sky over Defiance, height above the station to scale: scattered cloud with its base at 2,500 feet, overcast cloud with its base at 3,600 feet, the ceiling at 3,600 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DFIFIG. A THE SKY OVER DEFIANCESECTION, 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 SHEETOVC 3,600 FTOVERCAST, 8 EIGHTHS OF THE SKYSCT 2,500 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYCEILING 3,600 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEDefiance, the skySTATION REPORT · ASOS DFITYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-DFI-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

62.0 F with a dew point of 59.0 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 2,500 ft.

Chart of the air at Defiance: temperature 62.0 degrees Fahrenheit and dew point 59.0, 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 2,500 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DFIFIG. B THE AIR AT DEFIANCETHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,00050 F60 F70 FSATURATES 700 FT ABOVE THE STATION, AT 58.3 FLOWEST CLOUD REPORTED, SCT 2,500 FTTEMPERATURE 62.0 FDEW POINT 59.0 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 POINTTITLEDefiance, the airSTATION REPORT · ASOS DFITYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-DFI-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west (260 degrees) at 10 mph, gusting 25 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 33 mph.

Plan of the wind at Defiance, north up: blowing from 260 degrees, the west, at 10 miles an hour, gusting 25; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DFIFIG. C THE WIND AT DEFIANCEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 260°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 10 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE25GUST, 25 MPH7NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEDefiance, the windSTATION REPORT · ASOS DFITYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-DFI-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

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Snow on the ground

Elsewhere in Ohio

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

Near Lake Seneca

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

Near Lake Seneca

River and lake gauges