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El Monte, California

City in Los Angeles County, California

Air quality

The air at El Monte

Index 31, good, led by ozone. Read at 8 PM from its reporting area, S San Gabriel Vly (CA), 5 miles off.

31Good
  • Ozone31Good-

The days ahead

Highest 56, moderate, Fri Oct 16, led by fine particles. Yesterday measured 47, good.

Smoke, the next 46 hours

Little smoke near the ground through Sat 5 PM: the index from smoke stays at 22 or under.

ThuFriSat

Precipitation

What has fallen at El Monte

None in the last 3 days, to Thu 7 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 El Monte, the next 46 hours

Visibility stays 10 miles or more through Sat 5 PM.

ThuFriSat

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

What is measuring near here

The 6 instruments nearest El Monte, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.1 miles away.

measured now4 instruments

measured daily2 instruments

Pasadena - San Gabriel FireJBLC1

At a cooperative observer's station/4.8 mi away/468 ft/186 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at El Monte, drawn

The nearest airport reporting now, 1.1 mi from El Monte, California. From its report of Oct 15, 2026, 5:45 PM local time: 3 of its 6 sheets.

The sky

Clear; visibility 10 mi or more.

Section of the sky over El Monte, height above the station to scale: a clear sky, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT EMTFIG. A THE SKY OVER EL MONTESECTION, 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 STATIONCLEARVISIBILITY, MILES: 10 MI OR MORE0510TITLEEl Monte, the skySTATION REPORT · ASOS EMTTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-EMT-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

89.6 F with a dew point of 30.2 F, 12 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 13,300 ft up.

Chart of the air at El Monte: temperature 89.6 degrees Fahrenheit and dew point 30.2, 12 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 13,300 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT EMTFIG. B THE AIR AT EL MONTETHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION02,0004,0006,0008,00010,00012,00014,00016,00010 F30 F50 F70 F90 FSATURATES 13,300 FT ABOVE THE STATION, AT 18.6 FTEMPERATURE 89.6 FDEW POINT 30.2 FSPREAD 59.4 FRELATIVE HUMIDITY 12 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 POINTTITLEEl Monte, the airSTATION REPORT · ASOS EMTTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-EMT-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northeast (20 degrees) at 13 mph, gusting 22 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 22 mph.

Plan of the wind at El Monte, north up: blowing from 20 degrees, the north northeast, at 13 miles an hour, gusting 22; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT EMTFIG. C THE WIND AT EL MONTEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 20°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 13 MPH5FRESH BREEZE19GUST, 22 MPH6STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEEl Monte, the windSTATION REPORT · ASOS EMTTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-EMT-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of El Monte, 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 El Monte

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

Near El Monte

River and lake gauges