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Calexico, California

City in Imperial County, California

Air quality

The air at Calexico

Index 18, good, led by fine particles. Read at 5 AM from its reporting area, Calexico (CA), 0 miles off.

18Good
  • Fine particles (PM2.5)18Good8.8 mi
  • Ozone14Good24 ppb8.8 mi
  • Coarse particles (PM10)12Good8.8 mi

The days ahead

Highest 78, moderate, today, led by ozone. Yesterday measured 39, good.

Smoke, the next 42 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 Calexico

None in the last 3 days, to Fri 5 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 Calexico, the next 42 hours

Visibility stays 10 miles or more through Sat 11 PM.

FriSat

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

What is measuring near here

The 3 instruments nearest Calexico, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 7.3 miles away.

measured now2 instruments

ImperialIPL

At an airfield/11.9 mi away/-49 ft/53 ft below here

temp, wind, gust, visibility, precip, pressure

Rank53of 4,465

measured daily1 instrument

Station report

The weather at Imperial, drawn

The nearest airport reporting now, 11.9 mi from Calexico, 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 Imperial, 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 IPLFIG. A THE SKY OVER IMPERIALSECTION, 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 MORE0510TITLEImperial, the skySTATION REPORT · ASOS IPLTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-IPL-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

71.0 F with a dew point of 49.0 F, 46 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 5,000 ft up.

Chart of the air at Imperial: temperature 71.0 degrees Fahrenheit and dew point 49.0, 46 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 5,000 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT IPLFIG. B THE AIR AT IMPERIALTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,0007,00030 F40 F50 F60 F70 F80 FSATURATES 5,000 FT ABOVE THE STATION, AT 44.2 FTEMPERATURE 71.0 FDEW POINT 49.0 FSPREAD 22.0 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 POINTTITLEImperial, the airSTATION REPORT · ASOS IPLTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-IPL-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north (350 degrees) at 8 mph: force 3, a gentle breeze on the Beaufort scale.

Plan of the wind at Imperial, north up: blowing from 350 degrees, the north, at 8 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 IPLFIG. C THE WIND AT IMPERIALPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 350°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 8 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEImperial, the windSTATION REPORT · ASOS IPLTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-IPL-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Imperial, 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 Calexico

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

Near Calexico

River and lake gauges