Storm Station
Sign in

Shandon, California

Community in San Luis Obispo County, California

Air quality

The air at Shandon

Index 49, good, led by ozone. Read at 8 PM from its reporting area, Red Hills (CA), 0 miles off.

49Good
  • Fine particles (PM2.5)-19.3 mi
  • Ozone49Good57 ppb8.4 mi
  • Coarse particles (PM10)-19.3 mi
  • Nitrogen dioxide3Good3.5 ppb19.3 mi

The days ahead

Highest moderate, today, led by ozone. Yesterday measured 49, good.

Smoke, the next 46 hours

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

ThuFriSat

Precipitation

What has fallen at Shandon

None in the last 3 days, to Thu 7 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 Shandon, the next 46 hours

Visibility stays 10 miles or more through Sat 5 PM.

ThuFriSat

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

What is measuring near here

The 6 instruments nearest Shandon, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 9.6 miles away.

measured now4 instruments

measured daily2 instruments

Paso Robles 10.4 ESECA-SL-28

In a volunteer observer's own ground/9.6 mi away/1,198 ft/157 ft above here

precip, snowfall, snow depth

Rank-

Paso RoblesPRBC1

At a cooperative observer's station/17.5 mi away/696 ft/345 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Paso Robles, drawn

The nearest airport reporting now, 14.3 mi from Shandon, California. From its report of Oct 15, 2026, 7:53 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

74.0 F with a dew point of 32.0 F, 21 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 9,500 ft up.

Chart of the air at Paso Robles: temperature 74.0 degrees Fahrenheit and dew point 32.0, 21 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 9,500 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 STATION02,0004,0006,0008,00010,00012,00010 F30 F50 F70 FSATURATES 9,500 FT ABOVE THE STATION, AT 23.4 FTEMPERATURE 74.0 FDEW POINT 32.0 FSPREAD 42.0 FRELATIVE HUMIDITY 21 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

From the east (90 degrees) at 8 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 18 mph.

Plan of the wind at Paso Robles, north up: blowing from 90 degrees, the east, at 8 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 PRBFIG. C THE WIND AT PASO ROBLESPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 90°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 8 MPH4MODERATE 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

-

Snow on the ground

Elsewhere in California

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

Near Shandon

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

Near Shandon

River and lake gauges