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Mason, Ohio

City in Warren County, Ohio

Air quality

The air at Mason

Index 55, moderate, led by fine particles. Read at 5 AM from its reporting area, Cincinnati (OH), 21 miles off.

55Moderate
  • Fine particles (PM2.5)55Moderate25 mi
  • Ozone22Good-

The days ahead

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

Smoke, the next 46 hours

No smoke near the ground through Sun 2 AM.

FriSat

Precipitation

What has fallen at Mason

None in the last 24 hours; 0.26 in over the last 3 days, to Fri 4 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.26in

Visibility

How far you can see at Mason, the next 46 hours

Visibility stays 8 miles or more through Sun 2 AM, lowest 9 miles Fri 7 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest Mason, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.0 miles away.

measured now4 instruments

LebanonI68

At an airfield/8.0 mi away/895 ft/97 ft above here

temp, wind, gust, visibility, precip, pressure

Rank785of 1,590

measured daily2 instruments

Mason 1.0 SOH-WR-33

In a volunteer observer's own ground/1.0 mi away/850 ft/52 ft above here

precip, snowfall, snow depth

Rank-

King MillsKIMO1

At a cooperative observer's station/3.3 mi away/722 ft/76 ft below here

snowfall, snow depth, precip, high, low

Rank209of 1,590

Station report

The weather at Lebanon, drawn

The nearest airport reporting now, 8.0 mi from Mason, Ohio. From its report of Oct 16, 2026, 5:35 AM local time: 3 of its 6 sheets.

The sky

Scattered at 2,200 ft, overcast at 7,000 ft; the ceiling is 7,000 ft; visibility 10 mi or more.

Section of the sky over Lebanon, height above the station to scale: scattered cloud with its base at 2,200 feet, overcast cloud with its base at 7,000 feet, the ceiling at 7,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT I68FIG. A THE SKY OVER LEBANONSECTION, 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 STATION02,5005,0007,50010,00012,500ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FTOVC 7,000 FTOVERCAST, 8 EIGHTHS OF THE SKYSCT 2,200 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYCEILING 7,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLELebanon, the skySTATION REPORT · ASOS I68TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-I68-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018, FB-SKY-013, FB-SKY-014

The air

71.6 F with a dew point of 66.2 F, 83 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,300 ft up; the lowest cloud reported is at 2,200 ft.

Chart of the air at Lebanon: temperature 71.6 degrees Fahrenheit and dew point 66.2, 83 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,300 feet above the station, against the lowest cloud reported at 2,200 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT I68FIG. B THE AIR AT LEBANONTHE 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 F80 FSATURATES 1,300 FT ABOVE THE STATION, AT 64.9 FLOWEST CLOUD REPORTED, SCT 2,200 FTTEMPERATURE 71.6 FDEW POINT 66.2 FSPREAD 5.4 FRELATIVE HUMIDITY 83 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 POINTTITLELebanon, the airSTATION REPORT · ASOS I68TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-I68-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the southwest (220 degrees) at 10 mph: force 3, a gentle breeze on the Beaufort scale.

Plan of the wind at Lebanon, north up: blowing from 220 degrees, the southwest, at 10 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 I68FIG. C THE WIND AT LEBANONPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 220°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 10 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLELebanon, the windSTATION REPORT · ASOS I68TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-I68-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Lebanon, 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 Mason

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

Near Mason

River and lake gauges