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Atascadero, California

City in San Luis Obispo County, California

Air quality

The air at Atascadero

Index 43, good, led by fine particles. Read at 11 PM from its reporting area, Atascadero (CA), 1 mile off.

43Good
  • Fine particles (PM2.5)43Good1 mi
  • Ozone32Good26 ppb1 mi
  • Coarse particles (PM10)36Good1 mi
  • Nitrogen dioxide8Good8.8 ppb1 mi

The days ahead

Good each day through Tue Oct 20, led by ozone. Yesterday measured 40, good.

Smoke, the next 42 hours

Little smoke near the ground through Sat 5 PM: the index from smoke stays at 11 or under.

FriSat

Precipitation

What has fallen at Atascadero

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 Atascadero, the next 42 hours

Visibility stays 10 miles or more through Sat 5 PM.

FriSat

On the radar over Atascadero, CaliforniaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Atascadero, 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

measured daily2 instruments

Atascadero 2.3 ESECA-SL-34

In a volunteer observer's own ground/1.1 mi away/921 ft/45 ft above here

precip, snowfall, snow depth

Rank-

Santa Margarita BoosterSMRC1

At a cooperative observer's station/7.6 mi away/1,161 ft/285 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Paso Robles, drawn

The nearest airport reporting now, 13.2 mi from Atascadero, California. From its report of Oct 15, 2026, 11:53 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 Paso Robles, 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 PRBFIG. A THE SKY OVER PASO ROBLESSECTION, 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 MORE0510TITLEPaso Robles, the skySTATION REPORT · ASOS PRBTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-PRB-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

58.0 F with a dew point of 31.0 F, 36 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 6,100 ft up.

Chart of the air at Paso Robles: temperature 58.0 degrees Fahrenheit and dew point 31.0, 36 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 6,100 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PRBFIG. B THE AIR AT PASO ROBLESTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,0007,0008,00010 F20 F30 F40 F50 F60 F70 FSATURATES 6,100 FT ABOVE THE STATION, AT 25.4 FTEMPERATURE 58.0 FDEW POINT 31.0 FSPREAD 27.0 FRELATIVE HUMIDITY 36 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 POINTTITLEPaso Robles, the airSTATION REPORT · ASOS PRBTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-PRB-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Paso Robles, 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 PRBFIG. C THE WIND AT PASO ROBLESPLAN, 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 FORCE73TITLEPaso Robles, the windSTATION REPORT · ASOS PRBTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-PRB-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

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Snow on the ground

Elsewhere in California

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

Near Atascadero

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

Near Atascadero

River and lake gauges