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Tiburon, California

Town in Marin County, California

Air quality

The air at Tiburon

Index 49, good, led by fine particles. Read at 9 PM from its reporting area, San Rafael (CA), 6 miles off.

49Good
  • Fine particles (PM2.5)49Good6.1 mi
  • Ozone32Good23 ppb6.1 mi
  • Nitrogen dioxide12Good13.8 ppb6.1 mi
  • Sulfur dioxide0Good0.9 ppb7.5 mi
  • Carbon monoxide-0.4 ppm6.1 mi

The days ahead

Good each day through Tue Oct 20, led by ozone. Yesterday measured 30, good.

Smoke, the next 44 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 Tiburon

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 Tiburon, the next 44 hours

Visibility stays 10 miles or more through Sat 5 PM.

FriSat

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

What is measuring near here

The 5 instruments nearest Tiburon, 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

NovatoDVO

At an airfield/17.7 mi away/3 ft/67 ft below here

temp, wind, gust, visibility, precip, pressure

Rank32of 4,465

measured daily2 instruments

Tiburon 1.3 WNWCA-MR-47

In a volunteer observer's own ground/0.2 mi away/92 ft/22 ft above here

precip, snowfall, snow depth

Rank-

Mill Valley - Muir WoodsMUIC1

At a cooperative observer's station/4.8 mi away/850 ft/780 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Novato, drawn

The nearest airport reporting now, 17.7 mi from Tiburon, California. From its report of Oct 15, 2026, 9:35 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 Novato, 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 DVOFIG. A THE SKY OVER NOVATOSECTION, 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 MORE0510TITLENovato, the skySTATION REPORT · ASOS DVOTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-DVO-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

62.6 F with a dew point of 41.0 F, 45 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 4,900 ft up.

Chart of the air at Novato: temperature 62.6 degrees Fahrenheit and dew point 41.0, 45 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 4,900 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DVOFIG. B THE AIR AT NOVATOTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,0007,00030 F40 F50 F60 F70 FSATURATES 4,900 FT ABOVE THE STATION, AT 36.4 FTEMPERATURE 62.6 FDEW POINT 41.0 FSPREAD 21.6 FRELATIVE HUMIDITY 45 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 POINTTITLENovato, the airSTATION REPORT · ASOS DVOTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-DVO-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northwest (330 degrees) at 3 mph: force 1, a light air on the Beaufort scale.

Plan of the wind at Novato, north up: blowing from 330 degrees, the north northwest, 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 DVOFIG. C THE WIND AT NOVATOPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 330°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 3 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLENovato, the windSTATION REPORT · ASOS DVOTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-DVO-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Novato, 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 Tiburon

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

Near Tiburon

River and lake gauges