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Dayton, Indiana

Town in Tippecanoe County, Indiana

Air quality

The air at Dayton

Index 26, good, led by fine particles. Read at 11 PM from its reporting area, Lafayette (IN), 6 miles off.

26Good
  • Fine particles (PM2.5)26Good5.6 mi
  • Ozone-14 ppb15.9 mi

The days ahead

Yesterday measured 12, good.

Smoke, the next 45 hours

No smoke near the ground through Sat 8 PM.

FriSat

Precipitation

What has fallen at Dayton

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

Last 24 hours
0.11in
Last 3 days
0.11in

Visibility

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

Visibility stays 3 miles or more through Sat 8 PM, lowest 3 miles Fri 6 PM.

FriSat

On the radar over Dayton, IndianaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Dayton, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 4.7 miles away.

measured now4 instruments

LafayetteLAF

At an airfield/8.9 mi away/597 ft/71 ft below here

temp, wind, gust, visibility, precip, pressure

Rank249of 1,111

LogansportIN047

Beside a road/30.3 mi away/639 ft/29 ft below here

temp, pavement temp, wind, visibility, precip

Rank731of 1,111

measured daily2 instruments

Lafayette 4.0 ENEIN-TP-104

In a volunteer observer's own ground/4.7 mi away/564 ft/104 ft below here

precip, snowfall, snow depth

Rank-

Oneal Purdue FarmOPDI3

On a farm or research station/5.4 mi away/705 ft/37 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Lafayette, drawn

The nearest airport reporting now, 8.9 mi from Dayton, Indiana. From its report of Oct 15, 2026, 11:54 PM local time: 3 of its 6 sheets.

The sky

Broken at 1,800 ft, broken at 6,500 ft, overcast at 9,000 ft; the ceiling is 1,800 ft; visibility 10 mi or more.

Section of the sky over Lafayette, height above the station to scale: broken cloud with its base at 1,800 feet, broken cloud with its base at 6,500 feet, overcast cloud with its base at 9,000 feet, the ceiling at 1,800 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT LAFFIG. A THE SKY OVER LAFAYETTESECTION, 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 STATION02,5005,0007,50010,00012,50015,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FTOVC 9,000 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 6,500 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYBKN 1,800 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 1,800 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLELafayette, the skySTATION REPORT · ASOS LAFTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-LAF-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018, FB-SKY-013, FB-SKY-014

The air

72.0 F with a dew point of 68.0 F, 87 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 1,800 ft.

Chart of the air at Lafayette: temperature 72.0 degrees Fahrenheit and dew point 68.0, 87 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 1,800 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT LAFFIG. B THE AIR AT LAFAYETTETHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00060 F70 F80 FSATURATES 900 FT ABOVE THE STATION, AT 67.0 FLOWEST CLOUD REPORTED, BKN 1,800 FTTEMPERATURE 72.0 FDEW POINT 68.0 FSPREAD 4.0 FRELATIVE HUMIDITY 87 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 POINTTITLELafayette, the airSTATION REPORT · ASOS LAFTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-LAF-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 12 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 24 mph.

Plan of the wind at Lafayette, north up: blowing from 260 degrees, the west, at 12 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT LAFFIG. C THE WIND AT LAFAYETTEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 260°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 12 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLELafayette, the windSTATION REPORT · ASOS LAFTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-LAF-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Oneal Purdue Farm (OPDI3), 5.4 miles from here, read 12 Oct, 08:00. measured daily

Elsewhere in Indiana

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

Near Dayton

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

Near Dayton

River and lake gauges