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Hawthorne, California

City in Los Angeles County, California

Air quality

The air at Hawthorne

Index 48, good, led by nitrogen dioxide. Read at 8 PM from its reporting area, S Central LA CO (CA), 8 miles off.

48Good
  • Fine particles (PM2.5)32Good8.3 mi
  • Ozone26Good6 ppb8.3 mi
  • Coarse particles (PM10)-12.9 mi
  • Nitrogen dioxide48Good51.5 ppb8.3 mi
  • Sulfur dioxide0Good0.4 ppb12.9 mi
  • Carbon monoxide-0.7 ppm8.3 mi

The days ahead

Moderate each day through Fri Oct 16, led by fine particles. Yesterday measured 48, good.

Smoke, the next 45 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 Hawthorne

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 Hawthorne, the next 45 hours

Visibility stays 10 miles or more through Sat 5 PM.

FriSat

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

What is measuring near here

The 5 instruments nearest Hawthorne, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.9 miles away.

measured now3 instruments

measured daily2 instruments

Willowbrook 1.1 NCA-LA-115

In a volunteer observer's own ground/5.2 mi away/114 ft/51 ft above here

precip, snowfall, snow depth

Rank-

Redondo BeachRDOC1

At a cooperative observer's station/5.8 mi away/148 ft/85 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Hawthorne Municipal, drawn

The nearest airport reporting now, 0.9 mi from Hawthorne, California. From its report of Oct 15, 2026, 8:53 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 Hawthorne Municipal, 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 HHRFIG. A THE SKY OVER HAWTHORNE MUNICIPALSECTION, 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 MORE0510TITLEHawthorne Municipal, the skySTATION REPORT · ASOS HHRTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-HHR-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

79.0 F with a dew point of 48.0 F, 34 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 7,100 ft up.

Chart of the air at Hawthorne Municipal: temperature 79.0 degrees Fahrenheit and dew point 48.0, 34 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 7,100 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT HHRFIG. B THE AIR AT HAWTHORNE MUNICIPALTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION02,0004,0006,0008,00030 F40 F50 F60 F70 F80 F90 FSATURATES 7,100 FT ABOVE THE STATION, AT 41.3 FTEMPERATURE 79.0 FDEW POINT 48.0 FSPREAD 31.0 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 POINTTITLEHawthorne Municipal, the airSTATION REPORT · ASOS HHRTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-HHR-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Hawthorne Municipal, 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 HHRFIG. C THE WIND AT HAWTHORNE MUNICIPALPLAN, 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 FORCE73TITLEHawthorne Municipal, the windSTATION REPORT · ASOS HHRTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-HHR-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Hawthorne Municipal, 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 Hawthorne

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

Near Hawthorne

River and lake gauges