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Callender, California

Community in San Luis Obispo County, California

Air quality

The air at Callender

Index 35, good, led by fine particles. Read at 1 AM from its reporting area, Nipomo Mesa2 (CA), 1 mile off.

35Good
  • Fine particles (PM2.5)35Good0.5 mi
  • Ozone-50 ppb4.6 mi
  • Coarse particles (PM10)30Good0.5 mi
  • Nitrogen dioxide1Good1.3 ppb4.6 mi

The days ahead

Highest moderate, today, led by fine particles. Yesterday measured 35, good.

Smoke, the next 40 hours

Little smoke near the ground through Sat 5 PM: the index from smoke stays at 6 or under.

FriSat

Precipitation

What has fallen at Callender

None in the last 3 days, to Fri 1 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 Callender, the next 40 hours

Visibility stays 10 miles or more through Sat 5 PM.

FriSat

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

What is measuring near here

The 5 instruments nearest Callender, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 3.6 miles away.

measured now3 instruments

measured daily2 instruments

Arroyo Grande 1.2 WSWCA-SL-20

In a volunteer observer's own ground/5.1 mi away/95 ft/32 ft below here

precip, snowfall, snow depth

Rank-

Pismo BeachPISC1

At a cooperative observer's station/9.7 mi away/65 ft/62 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Santa Maria Public, drawn

The nearest airport reporting now, 12.6 mi from Callender, California. From its report of Oct 16, 2026, 1:51 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 Santa Maria Public, 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 SMXFIG. A THE SKY OVER SANTA MARIA PUBLICSECTION, 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 MORE0510TITLESanta Maria Public, the skySTATION REPORT · ASOS SMXTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-SMX-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

58.0 F with a dew point of 41.0 F, 53 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 3,900 ft up.

Chart of the air at Santa Maria Public: temperature 58.0 degrees Fahrenheit and dew point 41.0, 53 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 3,900 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SMXFIG. B THE AIR AT SANTA MARIA PUBLICTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,00030 F40 F50 F60 F70 FSATURATES 3,900 FT ABOVE THE STATION, AT 37.3 FTEMPERATURE 58.0 FDEW POINT 41.0 FSPREAD 17.0 FRELATIVE HUMIDITY 53 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 POINTTITLESanta Maria Public, the airSTATION REPORT · ASOS SMXTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-SMX-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northeast (30 degrees) at 3 mph: force 1, a light air on the Beaufort scale.

Plan of the wind at Santa Maria Public, north up: blowing from 30 degrees, the north northeast, 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 SMXFIG. C THE WIND AT SANTA MARIA PUBLICPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 30°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 3 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLESanta Maria Public, the windSTATION REPORT · ASOS SMXTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-SMX-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Santa Maria Public, 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 Callender

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

Near Callender

River and lake gauges