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Pismo Beach, California

City in San Luis Obispo County, California

Air quality

The air at Pismo Beach

Index 59, moderate, led by coarse particles. Read at 8 PM from its reporting area, Nipomo CDF (CA), 8 miles off.

59Moderate
  • Fine particles (PM2.5)54Moderate7.7 mi
  • Ozone-32 ppb11.3 mi
  • Coarse particles (PM10)59Moderate7.7 mi
  • Nitrogen dioxide7Good7.2 ppb11.3 mi

The days ahead

Highest moderate, today, led by fine particles. Yesterday measured 57, moderate.

Smoke, the next 46 hours

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

ThuFriSat

Precipitation

What has fallen at Pismo Beach

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 Pismo Beach, the next 46 hours

Visibility stays 10 miles or more through Sat 5 PM.

ThuFriSat

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

What is measuring near here

The 5 instruments nearest Pismo Beach, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.2 miles away.

measured now3 instruments

measured daily2 instruments

Pismo Beach 2.3 ENECA-SL-38

In a volunteer observer's own ground/0.2 mi away/207 ft/124 ft above here

precip, snowfall, snow depth

Rank-

Pismo BeachPISC1

At a cooperative observer's station/2.5 mi away/65 ft/18 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at San Luis Obispo, drawn

The nearest airport reporting now, 6.4 mi from Pismo Beach, California. From its report of Oct 15, 2026, 7:56 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 San Luis Obispo, 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 SBPFIG. A THE SKY OVER SAN LUIS OBISPOSECTION, 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 MORE0510TITLESan Luis Obispo, the skySTATION REPORT · ASOS SBPTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-SBP-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

70.0 F with a dew point of 44.0 F, 39 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 5,900 ft up.

Chart of the air at San Luis Obispo: temperature 70.0 degrees Fahrenheit and dew point 44.0, 39 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 5,900 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SBPFIG. B THE AIR AT SAN LUIS OBISPOTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,0007,0008,00030 F40 F50 F60 F70 F80 FSATURATES 5,900 FT ABOVE THE STATION, AT 38.4 FTEMPERATURE 70.0 FDEW POINT 44.0 FSPREAD 26.0 FRELATIVE HUMIDITY 39 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 POINTTITLESan Luis Obispo, the airSTATION REPORT · ASOS SBPTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-SBP-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northwest (320 degrees) at 8 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 28 mph.

Plan of the wind at San Luis Obispo, north up: blowing from 320 degrees, the northwest, 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 SBPFIG. C THE WIND AT SAN LUIS OBISPOPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 320°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 8 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLESan Luis Obispo, the windSTATION REPORT · ASOS SBPTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-SBP-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of San Luis Obispo, 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 Pismo Beach

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

Near Pismo Beach

River and lake gauges