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Martinsburg, Ohio

Village in Knox County, Ohio

Air quality

The air at Martinsburg

Index 54, moderate, led by fine particles. Read at 3 AM from its reporting area, Columbus (OH), 39 miles off.

54Moderate
  • Fine particles (PM2.5)54Moderate-
  • Ozone19Good-
  • Coarse particles (PM10)19Good-

The days ahead

Good each day through Tue Oct 20, led by fine particles. Yesterday measured 47, good.

Smoke, the next 42 hours

Little smoke near the ground through Sat 8 PM: the index from smoke stays at 6 or under.

FriSat

Precipitation

What has fallen at Martinsburg

None in the last 24 hours; 0.37 in over the last 3 days, to Fri 2 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.37in

Visibility

How far you can see at Martinsburg, the next 42 hours

Mist or haze: visibility falls to 2 miles Fri 8 PM.

FriSat

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

What is measuring near here

The 6 instruments nearest Martinsburg, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 5.2 miles away.

measured now4 instruments

measured daily2 instruments

Utica 3.8 NOH-KN-11

In a volunteer observer's own ground/5.2 mi away/984 ft/191 ft below here

precip, snowfall, snow depth

Rank-

Warsaw 6WSWWRWO1

At a cooperative observer's station/13.7 mi away/889 ft/286 ft below here

snowfall, snow depth, precip, high, low

Rank208of 1,590

Station report

The weather at Mount Vernon, drawn

The nearest airport reporting now, 9.9 mi from Martinsburg, Ohio. From its report of Oct 16, 2026, 3:15 AM local time: 3 of its 6 sheets.

The sky

A few clouds at 4,800 ft, a few clouds at 5,000 ft, broken at 7,000 ft; the ceiling is 7,000 ft; visibility 10 mi or more.

Section of the sky over Mount Vernon, height above the station to scale: a few clouds cloud with its base at 4,800 feet, a few clouds cloud with its base at 5,000 feet, broken 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 4I3FIG. A THE SKY OVER MOUNT VERNONSECTION, 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 FTBKN 7,000 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYFEW 5,000 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYFEW 4,800 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYCEILING 7,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEMount Vernon, the skySTATION REPORT · ASOS 4I3TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-4I3-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018, FB-SKY-013, FB-SKY-014

The air

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 4,800 ft.

Chart of the air at Mount Vernon: 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 4,800 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 4I3FIG. B THE AIR AT MOUNT VERNONTHE 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, FEW 4,800 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 POINTTITLEMount Vernon, the airSTATION REPORT · ASOS 4I3TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-4I3-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west southwest (240 degrees) at 10 mph, gusting 18 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 21 mph.

Plan of the wind at Mount Vernon, north up: blowing from 240 degrees, the west southwest, at 10 miles an hour, gusting 18; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 4I3FIG. C THE WIND AT MOUNT VERNONPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 240°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 10 MPH4MODERATE BREEZE13GUST, 18 MPH5FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEMount Vernon, the windSTATION REPORT · ASOS 4I3TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-4I3-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Warsaw 6WSW (WRWO1), 13.7 miles from here, read 15 Oct, 08:00. measured daily

Elsewhere in Ohio

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

Near Martinsburg

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

Near Martinsburg

River and lake gauges