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Rancho Santa Fe, California

Community in San Diego County, California

Air quality

The air at Rancho Santa Fe

Index 43, good, led by ozone. Read at 7 PM from its reporting area, San Diego Coast (CA), 14 miles off.

43Good
  • Fine particles (PM2.5)36Good13.5 mi
  • Ozone43Good45 ppb13.5 mi
  • Coarse particles (PM10)20Good13.5 mi

The days ahead

Good each day through Fri Oct 16, led by ozone. Yesterday measured 58, moderate.

Smoke, the next 41 hours

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

ThuFriSat

Precipitation

What has fallen at Rancho Santa Fe

None in the last 3 days, to Thu 6 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 Rancho Santa Fe, the next 41 hours

Visibility stays 10 miles or more through Sat 11 AM.

ThuFriSat

On the radar over Rancho Santa Fe, CaliforniaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Rancho Santa Fe, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.7 miles away.

measured now4 instruments

measured daily2 instruments

Solana Beach 2.4 ENECA-SD-237

In a volunteer observer's own ground/1.7 mi away/274 ft/67 ft above here

precip, snowfall, snow depth

Rank-

Escondido No 2ESCC1

At a cooperative observer's station/9.2 mi away/666 ft/459 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Carlsbad/Palomar, drawn

The nearest airport reporting now, 8.6 mi from Rancho Santa Fe, California. From its report of Oct 15, 2026, 6:53 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 Carlsbad/Palomar, 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 CRQFIG. A THE SKY OVER CARLSBAD/PALOMARSECTION, 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 MORE0510TITLECarlsbad/Palomar, the skySTATION REPORT · ASOS CRQTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-CRQ-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

83.0 F with a dew point of 37.0 F, 19 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 10,400 ft up.

Chart of the air at Carlsbad/Palomar: temperature 83.0 degrees Fahrenheit and dew point 37.0, 19 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 10,400 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CRQFIG. B THE AIR AT CARLSBAD/PALOMARTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION02,0004,0006,0008,00010,00012,00020 F40 F60 F80 FSATURATES 10,400 FT ABOVE THE STATION, AT 27.6 FTEMPERATURE 83.0 FDEW POINT 37.0 FSPREAD 46.0 FRELATIVE HUMIDITY 19 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 POINTTITLECarlsbad/Palomar, the airSTATION REPORT · ASOS CRQTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-CRQ-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the east northeast (60 degrees) at 6 mph: force 2, a light breeze on the Beaufort scale. The strongest gust today was 22 mph.

Plan of the wind at Carlsbad/Palomar, north up: blowing from 60 degrees, the east northeast, at 6 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 2, light breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CRQFIG. C THE WIND AT CARLSBAD/PALOMARPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 60°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 6 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLECarlsbad/Palomar, the windSTATION REPORT · ASOS CRQTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-CRQ-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Carlsbad/Palomar, 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 Rancho Santa Fe

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

Near Rancho Santa Fe

River and lake gauges