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Healdsburg, California

City in Sonoma County, California

Air quality

The air at Healdsburg

Index 40, good, led by fine particles. Read at 11 PM from its reporting area, Santa Rosa (CA), 15 miles off.

40Good
  • Fine particles (PM2.5)40Good-
  • Ozone16Good-

The days ahead

Good each day through Tue Oct 20, led by ozone. Yesterday measured 39, good.

Smoke, the next 42 hours

Little smoke near the ground through Sat 5 PM: the index from smoke stays at 17 or under.

FriSat

Precipitation

What has fallen at Healdsburg

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 Healdsburg, the next 42 hours

Visibility stays 10 miles or more through Sat 5 PM.

FriSat

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

What is measuring near here

The 6 instruments nearest Healdsburg, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.3 miles away.

measured now4 instruments

Hawkeye RAWSHWKC1

A remote fire weather station/7.9 mi away/1,722 ft/1,545 ft above here

temp, wind, gust, humidity, pressure

Rank924of 4,465

Bodega 6 WSW93245

At a climate reference station/23.5 mi away/63 ft/114 ft below here

temp, humidity, wind, solar, precip

Rank-

measured daily2 instruments

Healdsburg 0.4 NCA-SN-150

In a volunteer observer's own ground/0.3 mi away/174 ft/3 ft below here

precip, snowfall, snow depth

Rank-

HealdsburgHLDC1

At a cooperative observer's station/0.4 mi away/102 ft/75 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Santa Rosa, drawn

The nearest airport reporting now, 8.6 mi from Healdsburg, California. From its report of Oct 15, 2026, 11:53 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 Santa Rosa, 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 STSFIG. A THE SKY OVER SANTA ROSASECTION, 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 MORE0510TITLESanta Rosa, the skySTATION REPORT · ASOS STSTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-STS-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

53.0 F with a dew point of 39.0 F, 59 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 3,200 ft up.

Chart of the air at Santa Rosa: temperature 53.0 degrees Fahrenheit and dew point 39.0, 59 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 3,200 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT STSFIG. B THE AIR AT SANTA ROSATHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,00020 F30 F40 F50 F60 FSATURATES 3,200 FT ABOVE THE STATION, AT 36.0 FTEMPERATURE 53.0 FDEW POINT 39.0 FSPREAD 14.0 FRELATIVE HUMIDITY 59 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 POINTTITLESanta Rosa, the airSTATION REPORT · ASOS STSTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-STS-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Santa Rosa, north up: calm; beside it the Beaufort scale from calm to hurricane force, force 0, calm, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT STSFIG. C THE WIND AT SANTA ROSAPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLESanta Rosa, the windSTATION REPORT · ASOS STSTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-STS-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Santa Rosa, in 6 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 Healdsburg

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

Near Healdsburg

River and lake gauges