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Lake Oswego, Oregon

City in Clackamas County, Oregon

Air quality

The air at Lake Oswego

Index 28, good, led by fine particles. Read at 3 AM from its reporting area, Beaverton (OR), 6 miles off.

28Good
  • Fine particles (PM2.5)28Good-

The days ahead

Yesterday measured 19, good.

Smoke, the next 44 hours

Little smoke near the ground through Sat 11 PM: the index from smoke stays at 22 or under.

FriSat

Precipitation

What has fallen at Lake Oswego

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

Last 24 hours
0.00in
Last 3 days
0.00in

Visibility

How far you can see at Lake Oswego, the next 44 hours

Visibility stays 8 miles or more through Sat 11 PM, lowest 8 miles Sat 7 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest Lake Oswego, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.6 miles away.

measured now4 instruments

Aurora StateUAO

At an airfield/12.0 mi away/197 ft/166 ft below here

temp, wind, gust, visibility, precip, pressure

Rank9of 1,635

measured daily2 instruments

Lake Oswego 1.2 NWOR-CC-61

In a volunteer observer's own ground/0.7 mi away/492 ft/129 ft above here

precip, snowfall, snow depth

Rank-

Oregon CityORYO3

At a cooperative observer's station/6.5 mi away/174 ft/189 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Aurora State, drawn

The nearest airport reporting now, 12.0 mi from Lake Oswego, Oregon. From its report of Oct 16, 2026, 2:53 AM 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

54.0 F with a dew point of 40.0 F, 59 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 3,200 ft up.

Chart of the air at Aurora State: temperature 54.0 degrees Fahrenheit and dew point 40.0, 59 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 3,200 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 STATION01,0002,0003,0004,00030 F40 F50 F60 FSATURATES 3,200 FT ABOVE THE STATION, AT 37.0 FTEMPERATURE 54.0 FDEW POINT 40.0 FSPREAD 14.0 FRELATIVE HUMIDITY 59 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

Calm.

Plan of the wind at Aurora State, north up: calm; beside it the Beaufort scale from calm to hurricane force, force 0, calm, 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 STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE 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 Lake Oswego

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

Near Lake Oswego

River and lake gauges