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Brecon, Ohio

Community in Hamilton County, Ohio

Air quality

The air at Brecon

Index 53, moderate, led by fine particles. Read at 8 AM from its reporting area, Cincinnati (OH), 15 miles off.

53Moderate
  • Fine particles (PM2.5)53Moderate0.3 mi
  • Ozone24Good9 ppb0.3 mi
  • Nitrogen dioxide5Good5 ppb13.3 mi
  • Sulfur dioxide0Good0 ppb13 mi
  • Carbon monoxide-0.1 ppm13.3 mi

The days ahead

Moderate each day through Today, led by fine particles. Yesterday measured 52, moderate.

Smoke, the next 43 hours

No smoke near the ground through Sun 2 AM.

FriSat

Precipitation

What has fallen at Brecon

None in the last 24 hours; 0.63 in over the last 3 days, to Fri 7 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.63in

Visibility

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

Visibility stays 6 miles or more through Sun 2 AM, lowest 6 miles Fri 9 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest Brecon, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.0 miles away.

measured now4 instruments

HamiltonHAO

At an airfield/10.4 mi away/617 ft/228 ft below here

temp, wind, gust, visibility, precip, pressure

Rank13of 1,590

measured daily2 instruments

Mason 4.3 SSWOH-WR-30

In a volunteer observer's own ground/2.0 mi away/871 ft/26 ft above here

precip, snowfall, snow depth

Rank-

King MillsKIMO1

At a cooperative observer's station/7.6 mi away/722 ft/123 ft below here

snowfall, snow depth, precip, high, low

Rank209of 1,590

Station report

The weather at Hamilton, drawn

The nearest airport reporting now, 10.4 mi from Brecon, Ohio. From its report of Oct 16, 2026, 8:02 AM local time: 3 of its 6 sheets.

The sky

Overcast at 1,600 ft; the ceiling is 1,600 ft; visibility 6 mi.

Section of the sky over Hamilton, height above the station to scale: overcast cloud with its base at 1,600 feet, the ceiling at 1,600 feet, and visibility of 6 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT HAOFIG. A THE SKY OVER HAMILTONSECTION, 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 1,600 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 1,600 FTVISIBILITY, MILES: 6 MI0510TITLEHamilton, the skySTATION REPORT · ASOS HAOTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-HAO-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

61.0 F with a dew point of 57.0 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 1,600 ft.

Chart of the air at Hamilton: temperature 61.0 degrees Fahrenheit and dew point 57.0, 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 1,600 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT HAOFIG. B THE AIR AT HAMILTONTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00050 F60 F70 FSATURATES 900 FT ABOVE THE STATION, AT 56.1 FLOWEST CLOUD REPORTED, OVC 1,600 FTTEMPERATURE 61.0 FDEW POINT 57.0 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 POINTTITLEHamilton, the airSTATION REPORT · ASOS HAOTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-HAO-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 16 mph, gusting 22 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 35 mph.

Plan of the wind at Hamilton, north up: blowing from 300 degrees, the west northwest, at 16 miles an hour, gusting 22; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT HAOFIG. C THE WIND AT HAMILTONPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 300°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 16 MPH5FRESH BREEZE19GUST, 22 MPH6STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEHamilton, the windSTATION REPORT · ASOS HAOTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-HAO-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Hamilton, 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 Brecon

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

Near Brecon

River and lake gauges