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Philomath, Oregon

City in Benton County, Oregon

Air quality

The air at Philomath

Index 12, good, led by fine particles. Read at 11 PM from its reporting area, Corvallis (OR), 6 miles off.

12Good
  • Fine particles (PM2.5)12Good14.2 mi

The days ahead

Yesterday measured 15, good.

Smoke, the next 42 hours

Little smoke near the ground through Sat 5 PM: the index from smoke stays at 22 or under.

FriSat

Precipitation

What has fallen at Philomath

None in the last 3 days, to Thu 11 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.00in

Visibility

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

Visibility stays 7 miles or more through Sat 5 PM, lowest 7 miles Sat 1 AM.

FriSat

On the radar over Philomath, OregonReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 7 instruments nearest Philomath, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.8 miles away.

measured now5 instruments

measured daily2 instruments

Philomath 1.0 WNWOR-BN-113

In a volunteer observer's own ground/0.8 mi away/441 ft/159 ft above here

precip, snowfall, snow depth

Rank-

Corvallis Water BureauCWBO3

At a cooperative observer's station/5.3 mi away/499 ft/217 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Corvallis Muni, drawn

The nearest airport reporting now, 4.7 mi from Philomath, Oregon. From its report of Oct 15, 2026, 11:56 PM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 10 mi or more.

Section of the sky over Corvallis Muni, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CVOFIG. A THE SKY OVER CORVALLIS MUNISECTION, 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 SHEETNO CLOUD DETECTED BELOW 12,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLECorvallis Muni, the skySTATION REPORT · ASOS CVOTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-CVO-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

46.0 F with a dew point of 41.0 F, 83 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,200 ft up.

Chart of the air at Corvallis Muni: temperature 46.0 degrees Fahrenheit and dew point 41.0, 83 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,200 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CVOFIG. B THE AIR AT CORVALLIS MUNITHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00030 F40 F50 F60 FSATURATES 1,200 FT ABOVE THE STATION, AT 39.9 FTEMPERATURE 46.0 FDEW POINT 41.0 FSPREAD 5.0 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 POINTTITLECorvallis Muni, the airSTATION REPORT · ASOS CVOTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-CVO-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west southwest (240 degrees) at 3 mph: force 1, a light air on the Beaufort scale. The strongest gust today was 43 mph.

Plan of the wind at Corvallis Muni, north up: blowing from 240 degrees, the west southwest, 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 CVOFIG. C THE WIND AT CORVALLIS MUNIPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 240°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 3 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLECorvallis Muni, the windSTATION REPORT · ASOS CVOTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-CVO-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Corvallis Water Bureau (CWBO3), 5.3 miles from here, read 11 Oct, 08:00. measured daily

Elsewhere in Oregon

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

Near Philomath

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

Near Philomath

River and lake gauges