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San Buenaventura (Ventura), California

City in Ventura County, California

Air quality

The air at San Buenaventura (Ventura)

Index 30, good, led by ozone. Read at 9 PM from its reporting area, Oxnard (CA), 4 miles off.

30Good
  • Fine particles (PM2.5)17Good4.6 mi
  • Ozone30Good26 ppb4.6 mi
  • Coarse particles (PM10)26Good4.6 mi
  • Nitrogen dioxide8Good9 ppb4.6 mi

The days ahead

Highest 62, moderate, today, led by coarse particles. Yesterday measured 43, good.

Smoke, the next 45 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 San Buenaventura (Ventura)

None in the last 3 days, to Thu 8 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 San Buenaventura (Ventura), the next 45 hours

Visibility stays 10 miles or more through Sat 5 PM.

FriSat

On the radar over San Buenaventura (Ventura), CaliforniaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest San Buenaventura (Ventura), how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.6 miles away.

measured now4 instruments

OxnardOXR

At an airfield/5.1 mi away/43 ft/203 ft below here

temp, wind, gust, visibility, precip, pressure

Rank51of 4,465

measured daily2 instruments

Ventura 1.8 ECA-VT-32

In a volunteer observer's own ground/2.5 mi away/160 ft/86 ft below here

precip, snowfall, snow depth

Rank-

OjaiOJAC1

At a cooperative observer's station/12.1 mi away/764 ft/518 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Oxnard, drawn

The nearest airport reporting now, 5.1 mi from San Buenaventura (Ventura), California. From its report of Oct 15, 2026, 8:51 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 Oxnard, 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 OXRFIG. A THE SKY OVER OXNARDSECTION, 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 MORE0510TITLEOxnard, the skySTATION REPORT · ASOS OXRTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-OXR-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

75.0 F with a dew point of 40.0 F, 28 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 7,900 ft up.

Chart of the air at Oxnard: temperature 75.0 degrees Fahrenheit and dew point 40.0, 28 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 7,900 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT OXRFIG. B THE AIR AT OXNARDTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION02,0004,0006,0008,00010,00020 F40 F60 F80 FSATURATES 7,900 FT ABOVE THE STATION, AT 32.7 FTEMPERATURE 75.0 FDEW POINT 40.0 FSPREAD 35.0 FRELATIVE HUMIDITY 28 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 POINTTITLEOxnard, the airSTATION REPORT · ASOS OXRTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-OXR-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west (270 degrees) at 12 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 39 mph.

Plan of the wind at Oxnard, north up: blowing from 270 degrees, the west, at 12 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 OXRFIG. C THE WIND AT OXNARDPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 270°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 12 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEOxnard, the windSTATION REPORT · ASOS OXRTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-OXR-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Oxnard, 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 San Buenaventura (Ventura)

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

Near San Buenaventura (Ventura)

River and lake gauges