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Acton, California

Community in Los Angeles County, California

Air quality

The air at Acton

Index 37, good, led by ozone. Read at 8 PM from its reporting area, Antelope Vly (CA), 13 miles off.

37Good
  • Fine particles (PM2.5)6Good21.2 mi
  • Ozone37Good44 ppb21.2 mi
  • Coarse particles (PM10)9Good-
  • Nitrogen dioxide1Good1.4 ppb21.2 mi

The days ahead

Moderate each day through Fri Oct 16, led by fine particles. Yesterday measured 42, 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 Acton

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 Acton, the next 45 hours

Visibility stays 10 miles or more through Sat 5 PM.

FriSat

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

What is measuring near here

The 6 instruments nearest Acton, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 3.3 miles away.

measured now4 instruments

Acton RAWSATNC1

A remote fire weather station/3.3 mi away/2,635 ft/351 ft below here

temp, wind, gust, humidity, pressure

Rank3,059of 4,465

PalmdatePMD

At an airfield/11.0 mi away/2,539 ft/447 ft below here

temp, wind, gust, visibility, precip, pressure

Rank442of 4,465

measured daily2 instruments

Acton 4.4 NWCA-LA-80

In a volunteer observer's own ground/3.9 mi away/3,451 ft/465 ft above here

precip, snowfall, snow depth

Rank-

PalmdalePMDC1

At a cooperative observer's station/8.4 mi away/2,599 ft/387 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Palmdate, drawn

The nearest airport reporting now, 11.0 mi from Acton, California. From its report of Oct 15, 2026, 7:53 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 Palmdate, 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 PMDFIG. A THE SKY OVER PALMDATESECTION, 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 MORE0510TITLEPalmdate, the skySTATION REPORT · ASOS PMDTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-PMD-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

68.0 F with a dew point of 31.0 F, 25 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 8,300 ft up.

Chart of the air at Palmdate: temperature 68.0 degrees Fahrenheit and dew point 31.0, 25 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 8,300 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PMDFIG. B THE AIR AT PALMDATETHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION02,0004,0006,0008,00010,00010 F30 F50 F70 FSATURATES 8,300 FT ABOVE THE STATION, AT 23.5 FTEMPERATURE 68.0 FDEW POINT 31.0 FSPREAD 37.0 FRELATIVE HUMIDITY 25 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 POINTTITLEPalmdate, the airSTATION REPORT · ASOS PMDTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-PMD-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the east (80 degrees) at 13 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 43 mph.

Plan of the wind at Palmdate, north up: blowing from 80 degrees, the east, at 13 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PMDFIG. C THE WIND AT PALMDATEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 80°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 13 MPH5FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEPalmdate, the windSTATION REPORT · ASOS PMDTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-PMD-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Palmdate, 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 Acton

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

Near Acton

River and lake gauges