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Rosemount, Ohio

Community in Scioto County, Ohio

Air quality

The air at Rosemount

Index 34, good, led by fine particles. Read at 1 AM from its reporting area, Ashland (KY), 28 miles off.

34Good
  • Fine particles (PM2.5)34Good-
  • Ozone5Good0 ppb21.1 mi

The days ahead

Yesterday measured 34, good.

Smoke, the next 43 hours

Little smoke near the ground through Sat 8 PM: the index from smoke stays at 11 or under.

FriSat

Precipitation

What has fallen at Rosemount

None in the last 24 hours; 0.70 in over the last 3 days, to Fri 1 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.70in

Visibility

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

Visibility stays 9 miles or more through Sat 8 PM, lowest 9 miles Fri 11 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest Rosemount, 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

measured daily2 instruments

SciotovilleSCIO1

At a cooperative observer's station/5.1 mi away/545 ft/58 ft below here

snowfall, snow depth, precip, high, low

Rank21of 1,590

Station report

The weather at Portsmouth, drawn

The nearest airport reporting now, 7.8 mi from Rosemount, Ohio. From its report of Oct 16, 2026, 1:35 AM local time: 3 of its 6 sheets.

The sky

Overcast at 9,000 ft; the ceiling is 9,000 ft; visibility 6 mi.

Section of the sky over Portsmouth, height above the station to scale: overcast cloud with its base at 9,000 feet, the ceiling at 9,000 feet, and visibility of 6 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PMHFIG. A THE SKY OVER PORTSMOUTHSECTION, 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 SKYCEILING 9,000 FTVISIBILITY, MILES: 6 MI0510TITLEPortsmouth, the skySTATION REPORT · ASOS PMHTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-PMH-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-013, FB-SKY-014

The air

69.8 F with a dew point of 69.8 F, 100 per cent relative humidity. The air is saturated at the ground; the lowest cloud reported is at 9,000 ft.

Chart of the air at Portsmouth: temperature 69.8 degrees Fahrenheit and dew point 69.8, 100 per cent relative humidity; the air saturated at the ground, against the lowest cloud reported at 9,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PMHFIG. B THE AIR AT PORTSMOUTHTHE 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 FSATURATED AT THE GROUNDABOVE THIS SHEET: LOWEST CLOUD REPORTED, OVC 9,000 FTTEMPERATURE AND DEW POINT 69.8 F, 69.8 FRELATIVE HUMIDITY 100 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 POINTTITLEPortsmouth, the airSTATION REPORT · ASOS PMHTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-PMH-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south (180 degrees) at 3 mph: force 1, a light air on the Beaufort scale.

Plan of the wind at Portsmouth, north up: blowing from 180 degrees, the south, at 3 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 1, light air, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PMHFIG. C THE WIND AT PORTSMOUTHPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 180°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 3 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEPortsmouth, the windSTATION REPORT · ASOS PMHTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-PMH-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Sciotoville (SCIO1), 5.1 miles from here, read 15 Oct, 07:00. measured daily

Elsewhere in Ohio

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

Near Rosemount

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

Near Rosemount

River and lake gauges