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Defiance, Ohio

City in Defiance County, Ohio

Air quality

The air at Defiance

Index 15, good, led by ozone. Read at 2 PM from its reporting area, Lima (OH), 39 miles off.

15Good
  • Ozone15Good-

The days ahead

Yesterday measured 54, moderate.

Smoke, the next 43 hours

No smoke near the ground through Sun 8 AM.

FriSatSun

Precipitation

What has fallen at Defiance

0.18 in in the last 24 hours, 0.85 in over the last 3 days, to Fri 1 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.18in
Last 3 days
0.85in

Visibility

How far you can see at Defiance, the next 43 hours

Visibility stays 8 miles or more through Sun 8 AM, lowest 9 miles Fri 2 PM.

FriSatSun

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

What is measuring near here

The 6 instruments nearest Defiance, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.2 miles away.

measured now4 instruments

DefianceDFI

At an airfield/5.3 mi away/719 ft/36 ft above here

temp, wind, gust, visibility, precip, pressure

Rank217of 1,590

measured daily2 instruments

Defiance 0.4 SSWOH-DF-5

In a volunteer observer's own ground/0.2 mi away/691 ft/8 ft above here

precip, snowfall, snow depth

Rank-

DefianceDEFO1

At a cooperative observer's station/0.9 mi away/699 ft/16 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Defiance, drawn

The nearest airport reporting now, 5.3 mi from Defiance, Ohio. From its report of Oct 16, 2026, 2:15 PM local time: 3 of its 6 sheets.

The sky

Scattered at 1,000 ft, overcast at 1,700 ft; the ceiling is 1,700 ft; visibility 2.5 mi.

Section of the sky over Defiance, height above the station to scale: scattered cloud with its base at 1,000 feet, overcast cloud with its base at 1,700 feet, the ceiling at 1,700 feet, and visibility of 2.5 mi.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 STATION05001,0001,5002,0002,5003,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 1,700 FTOVERCAST, 8 EIGHTHS OF THE SKYSCT 1,000 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYCEILING 1,700 FTVISIBILITY, MILES: 2.5 MI0510TITLEDefiance, 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

53.0 F with a dew point of 52.0 F, 96 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 200 ft up; the lowest cloud reported is at 1,000 ft.

Chart of the air at Defiance: temperature 53.0 degrees Fahrenheit and dew point 52.0, 96 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 200 feet above the station, against the lowest cloud reported at 1,000 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 STATION01,0002,0003,00040 F50 F60 FSATURATES 200 FT ABOVE THE STATION, AT 51.7 FLOWEST CLOUD REPORTED, SCT 1,000 FTTEMPERATURE AND DEW POINT 53.0 F, 52.0 FRELATIVE HUMIDITY 96 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 northwest (300 degrees) at 13 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 33 mph.

Plan of the wind at Defiance, north up: blowing from 300 degrees, the west northwest, at 13 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 4, moderate 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 300°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 13 MPH5FRESH BREEZE196STRONG BREEZE257NEAR 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 Defiance

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

Near Defiance

River and lake gauges