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Greenfield, California

City in Monterey County, California

Air quality

The air at Greenfield

Index 44, good, led by coarse particles. Read at 5 AM from its reporting area, King City (CA), 10 miles off.

44Good
  • Fine particles (PM2.5)43Good10 mi
  • Ozone6Good6 ppb10 mi
  • Coarse particles (PM10)44Good10 mi

The days ahead

Good each day through Sun Oct 18, led by ozone. Yesterday measured 41, good.

Smoke, the next 43 hours

Little smoke near the ground through Sat 11 PM: the index from smoke stays at 11 or under.

FriSat

Precipitation

What has fallen at Greenfield

None in the last 3 days, to Fri 4 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 Greenfield, the next 43 hours

Visibility stays 10 miles or more through Sat 11 PM.

FriSat

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

What is measuring near here

The 6 instruments nearest Greenfield, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 9.9 miles away.

measured now4 instruments

SalinasSNS

At an airfield/31.1 mi away/53 ft/234 ft below here

temp, wind, gust, visibility, precip, pressure

Rank522of 4,465

VallecitosS2234

At a soil climate station/31.4 mi away/1,620 ft/1,333 ft above here

temp, humidity, soil temp, soil moisture

Rank2,685of 4,465

measured daily2 instruments

King CityKICC1

At a cooperative observer's station/9.9 mi away/310 ft/23 ft above here

snowfall, snow depth, precip, high, low

Rank115of 4,465

Gonzales 0.5 ENECA-MT-34

In a volunteer observer's own ground/16.8 mi away/165 ft/122 ft below here

precip, snowfall, snow depth

Rank-

Station report

The weather at Salinas, drawn

The nearest airport reporting now, 31.1 mi from Greenfield, California. From its report of Oct 16, 2026, 4:53 AM 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 Salinas, 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 SNSFIG. A THE SKY OVER SALINASSECTION, 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 MORE0510TITLESalinas, the skySTATION REPORT · ASOS SNSTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-SNS-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

55.0 F with a dew point of 38.0 F, 53 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 3,900 ft up.

Chart of the air at Salinas: temperature 55.0 degrees Fahrenheit and dew point 38.0, 53 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 3,900 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SNSFIG. B THE AIR AT SALINASTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,00020 F30 F40 F50 F60 F70 FSATURATES 3,900 FT ABOVE THE STATION, AT 34.4 FTEMPERATURE 55.0 FDEW POINT 38.0 FSPREAD 17.0 FRELATIVE HUMIDITY 53 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 POINTTITLESalinas, the airSTATION REPORT · ASOS SNSTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-SNS-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the southeast (130 degrees) at 10 mph: force 3, a gentle breeze on the Beaufort scale.

Plan of the wind at Salinas, north up: blowing from 130 degrees, the southeast, at 10 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 SNSFIG. C THE WIND AT SALINASPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 130°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 10 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLESalinas, the windSTATION REPORT · ASOS SNSTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-SNS-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Salinas, 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 Greenfield

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

Near Greenfield

River and lake gauges