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Barlow, Oregon

City in Clackamas County, Oregon

Air quality

The air at Barlow

Index 31, good, led by ozone. Read at 9 PM from its reporting area, Clackamas (OR), 13 miles off.

31Good
  • Fine particles (PM2.5)28Good6.4 mi
  • Ozone31Good35 ppb6.4 mi
  • Nitrogen dioxide2Good2 ppb10.4 mi
  • Sulfur dioxide0Good0 ppb18 mi
  • Carbon monoxide-0.2 ppm10.4 mi

The days ahead

Yesterday measured 22, good.

Smoke, the next 44 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 Barlow

None in the last 3 days, to Thu 8 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 Barlow, the next 44 hours

Visibility stays 5 miles or more through Sat 5 PM, lowest 6 miles Sat 6 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest Barlow, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.6 miles away.

measured now4 instruments

measured daily2 instruments

Oregon CityORYO3

At a cooperative observer's station/9.1 mi away/174 ft/70 ft above here

snowfall, snow depth, precip, high, low

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Station report

The weather at Aurora State, drawn

The nearest airport reporting now, 2.4 mi from Barlow, Oregon. From its report of Oct 15, 2026, 8:53 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 Aurora State, 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 UAOFIG. A THE SKY OVER AURORA STATESECTION, 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 MORE0510TITLEAurora State, the skySTATION REPORT · ASOS UAOTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-UAO-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

70.0 F with a dew point of 40.0 F, 34 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 6,800 ft up.

Chart of the air at Aurora State: temperature 70.0 degrees Fahrenheit and dew point 40.0, 34 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 6,800 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT UAOFIG. B THE AIR AT AURORA STATETHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION02,0004,0006,0008,00020 F30 F40 F50 F60 F70 F80 FSATURATES 6,800 FT ABOVE THE STATION, AT 33.7 FTEMPERATURE 70.0 FDEW POINT 40.0 FSPREAD 30.0 FRELATIVE HUMIDITY 34 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 POINTTITLEAurora State, the airSTATION REPORT · ASOS UAOTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-UAO-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northeast (30 degrees) at 9 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 18 mph.

Plan of the wind at Aurora State, north up: blowing from 30 degrees, the north northeast, at 9 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 UAOFIG. C THE WIND AT AURORA STATEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 30°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 9 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEAurora State, the windSTATION REPORT · ASOS UAOTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-UAO-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

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Snow on the ground

Elsewhere in Oregon

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

Near Barlow

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

Near Barlow

River and lake gauges