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Davis, California

City in Yolo County, California

Air quality

The air at Davis

Index 29, good, led by fine particles. Read at 1 AM from its reporting area, Davis (CA), 1 mile off.

29Good
  • Fine particles (PM2.5)29Good13 mi
  • Ozone26Good15 ppb20.4 mi
  • Coarse particles (PM10)-24.8 mi
  • Nitrogen dioxide27Good29 ppb13 mi
  • Carbon monoxide-0.6 ppm13 mi

The days ahead

Good each day through Tue Oct 20, led by ozone. Yesterday measured 47, good.

Smoke, the next 40 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 Davis

None in the last 3 days, to Fri 1 AM. 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 Davis, the next 40 hours

Visibility stays 10 miles or more through Sat 5 PM.

FriSat

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

What is measuring near here

The 6 instruments nearest Davis, 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

UniversityEDU

At an airfield/3.0 mi away/69 ft/22 ft above here

temp, wind, gust, visibility, precip, pressure

Rank8of 4,465

Davis RAWSDVMC1

A remote fire weather station/3.3 mi away/30 ft/17 ft below here

temp, wind, gust, humidity, pressure

Rank90of 4,465

CD032CD032

Beside a road/5.5 mi away/29 ft/18 ft below here

temp, pavement temp, wind, visibility, precip

Rank1,525of 4,465

measured daily2 instruments

Davis 0.3 SWCA-YL-34

In a volunteer observer's own ground/0.3 mi away/53 ft/6 ft above here

precip, snowfall, snow depth

Rank-

Davis 2WSWDAVC1

At a cooperative observer's station/2.4 mi away/62 ft/15 ft above here

snowfall, snow depth, precip, high, low

Rank288of 4,465

Station report

The weather at University, drawn

The nearest airport reporting now, 3.0 mi from Davis, California. From its report of Oct 16, 2026, 1:40 AM local time: 3 of its 6 sheets.

The sky

No cloud reported; visibility 10 mi or more.

Section of the sky over University, height above the station to scale: no cloud reported, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT EDUFIG. A THE SKY OVER UNIVERSITYSECTION, 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 REPORTEDVISIBILITY, MILES: 10 MI OR MORE0510TITLEUniversity, the skySTATION REPORT · ASOS EDUTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-EDU-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

64.4 F with a dew point of 35.6 F, 34 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 6,500 ft up.

Chart of the air at University: temperature 64.4 degrees Fahrenheit and dew point 35.6, 34 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 6,500 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT EDUFIG. B THE AIR AT UNIVERSITYTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION02,0004,0006,0008,00020 F30 F40 F50 F60 F70 F80 FSATURATES 6,500 FT ABOVE THE STATION, AT 29.5 FTEMPERATURE 64.4 FDEW POINT 35.6 FSPREAD 28.8 FRELATIVE HUMIDITY 34 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 POINTTITLEUniversity, the airSTATION REPORT · ASOS EDUTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-EDU-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at University, 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 EDUFIG. C THE WIND AT UNIVERSITYPLAN, 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 FORCE73TITLEUniversity, the windSTATION REPORT · ASOS EDUTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-EDU-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of University, 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 Davis

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

Near Davis

River and lake gauges