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Rancho Cordova, California

City in Sacramento County, California

Air quality

The air at Rancho Cordova

Index 56, moderate, led by fine particles. Read at 11 PM from its reporting area, Arden Arcade-Del Paso Manor (CA), 4 miles off.

56Moderate
  • Fine particles (PM2.5)56Moderate-
  • Ozone29Good-

The days ahead

Highest 54, moderate, Sat Oct 17, led by ozone. Yesterday measured 53, moderate.

Smoke, the next 42 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 Rancho Cordova

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 Rancho Cordova, the next 42 hours

Visibility stays 10 miles or more through Sat 5 PM.

FriSat

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

What is measuring near here

The 6 instruments nearest Rancho Cordova, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.8 miles away.

measured now4 instruments

measured daily2 instruments

Rancho Cordova 1.5 SECA-SA-35

In a volunteer observer's own ground/0.8 mi away/104 ft/4 ft above here

precip, snowfall, snow depth

Rank-

Sacramento 5ESESMTC1

At a cooperative observer's station/6.9 mi away/43 ft/57 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Mather Field, drawn

The nearest airport reporting now, 2.0 mi from Rancho Cordova, California. From its report of Oct 15, 2026, 9:55 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 Mather Field, 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 MHRFIG. A THE SKY OVER MATHER FIELDSECTION, 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 MORE0510TITLEMather Field, the skySTATION REPORT · ASOS MHRTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-MHR-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

59.4 F with a dew point of 38.5 F, 46 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 4,700 ft up.

Chart of the air at Mather Field: temperature 59.4 degrees Fahrenheit and dew point 38.5, 46 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 4,700 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MHRFIG. B THE AIR AT MATHER FIELDTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,00020 F30 F40 F50 F60 F70 FSATURATES 4,700 FT ABOVE THE STATION, AT 34.0 FTEMPERATURE 59.4 FDEW POINT 38.5 FSPREAD 20.9 FRELATIVE HUMIDITY 46 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 POINTTITLEMather Field, the airSTATION REPORT · ASOS MHRTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-MHR-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Mather Field, 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 MHRFIG. C THE WIND AT MATHER FIELDPLAN, 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 FORCE73TITLEMather Field, the windSTATION REPORT · ASOS MHRTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-MHR-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Mather Field, 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 Cordova

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

Near Rancho Cordova

River and lake gauges