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Cayucos, California

Community in San Luis Obispo County, California

Air quality

The air at Cayucos

Index 42, good, led by ozone. Read at 12 AM from its reporting area, Morro Bay (CA), 6 miles off.

42Good
  • Ozone42Good-

The days ahead

Good each day through Tue Oct 20, led by ozone. Yesterday measured 41, good.

Smoke, the next 41 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 Cayucos

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 Cayucos, the next 41 hours

Visibility stays 10 miles or more through Sat 5 PM.

FriSat

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

What is measuring near here

The 5 instruments nearest Cayucos, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 5.1 miles away.

measured now3 instruments

Morro Bay1MB

At a river or reservoir gauge/5.1 mi away/56 ft/32 ft below here

temp, wind, gust, humidity, pressure

Rank537of 4,465

measured daily2 instruments

Morro Bay Fire DeptMBFC1

At a cooperative observer's station/5.6 mi away/138 ft/50 ft above here

snowfall, snow depth, precip, high, low

Rank-

Morro Bay 1.5 ECA-SL-9

In a volunteer observer's own ground/5.9 mi away/162 ft/74 ft above here

precip, snowfall, snow depth

Rank-

Station report

The weather at Morro Bay, drawn

The nearest instrument reporting now, 5.1 mi from Cayucos, California. From its report of Oct 15, 2026, 11:59 PM local time: 3 of its 5 sheets.

The air

61.5 F with a dew point of 52.0 F, 71 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,200 ft up.

Chart of the air at Morro Bay: temperature 61.5 degrees Fahrenheit and dew point 52.0, 71 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,200 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 1MBFIG. B THE AIR AT MORRO BAYTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00040 F50 F60 F70 FSATURATES 2,200 FT ABOVE THE STATION, AT 49.9 FTEMPERATURE 61.5 FDEW POINT 52.0 FSPREAD 9.5 FRELATIVE HUMIDITY 71 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 POINTTITLEMorro Bay, the airSTATION REPORT · DCP 1MBTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 5DATE2026-10-16IDSR-1MB-1DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the east northeast (72 degrees) at 3 mph: force 1, a light air on the Beaufort scale.

Plan of the wind at Morro Bay, north up: blowing from 72 degrees, the east 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 1MBFIG. C THE WIND AT MORRO BAYPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 72°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 3 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEMorro Bay, the windSTATION REPORT · DCP 1MBTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 2 of 5DATE2026-10-16IDSR-1MB-2DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

The column

At 56 ft above sea level, 0 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.86 inHg and the temperature at 58.8 F; it reports 61.5 F, 2.7 F warmer than standard.

Section from sea level of where Morro Bay stands in the atmosphere, height to scale: the station 56 feet above sea level with 0 per cent of the air below it; the standard atmosphere's pressure there, 29.86 inches of mercury, and temperature, 58.8 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 1MBFIG. D WHERE MORRO BAY STANDS IN THE ATMOSPHERESECTION FROM SEA LEVEL, HEIGHT TO SCALE, THE STATION IN THE STANDARD ATMOSPHEREFT ABOVE SEA LEVEL05,00010,00015,000SEA LEVEL, 29.92 inHg IN THE STANDARD ATMOSPHEREMORRO BAY0 PER CENT OF THE AIR BELOW IT56 FT10 PER CENT OF THE AIR BELOW, 2,890 FT20 PER CENT OF THE AIR BELOW, 6,050 FT30 PER CENT OF THE AIR BELOW, 9,540 FT40 PER CENT OF THE AIR BELOW, 13,470 FTSTANDARD PRESSURE HERE29.86 inHgSTANDARD TEMPERATURE HERE58.8 FTEMPERATURE, REPORTED61.5 FTITLEMorro Bay, the columnSTATION REPORT · DCP 1MBTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 3 of 5DATE2026-10-16IDSR-1MB-3DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The full report of Morro Bay, in 5 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 Cayucos

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

Near Cayucos

River and lake gauges