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Boulevard, California

Community in San Diego County, California

Air quality

The air at Boulevard

Index 90, moderate, led by coarse particles. Read at 3 AM from its reporting area, San Diego Foothills (CA), 38 miles off.

90Moderate
  • Fine particles (PM2.5)58Moderate-
  • Ozone42Good-
  • Coarse particles (PM10)90Moderate-

The days ahead

Moderate each day through Sun Oct 18, led by ozone. Yesterday measured 47, good.

Smoke, the next 44 hours

No smoke near the ground through Sun 11 PM.

SatSun

Precipitation

What has fallen at Boulevard

None in the last 3 days, to Sat 3 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 Boulevard, the next 44 hours

Visibility stays 6 miles or more through Sun 11 PM, lowest 6 miles Sat 5 AM.

SatSun

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

What is measuring near here

The 5 instruments nearest Boulevard, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 10.0 miles away.

measured now3 instruments

measured daily2 instruments

CampoCPMC1

At a cooperative observer's station/10.0 mi away/2,613 ft/1,097 ft below here

snowfall, snow depth, precip, high, low

Rank110of 4,461

Station report

The weather at El Centro NAF, drawn

The nearest airport reporting now, 38.5 mi from Boulevard, California. From its report of Oct 17, 2026, 3:56 AM local time: 3 of its 6 sheets.

The sky

Overcast at 11,000 ft; the ceiling is 11,000 ft; visibility 10 mi or more.

Section of the sky over El Centro NAF, height above the station to scale: overcast cloud with its base at 11,000 feet, the ceiling at 11,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT NJKFIG. A THE SKY OVER EL CENTRO NAFSECTION, 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 STATION02,5005,0007,50010,00012,50015,00017,500ETAGESLOWMIDDLEHIGHTHE STATIONTHE CEILOMETER READS TO 12,000 FTOVC 11,000 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 11,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEEl Centro NAF, the skySTATION REPORT · ASOS NJKTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-17IDSR-NJK-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-013, FB-SKY-014

The air

75.0 F with a dew point of 51.0 F, 43 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 5,500 ft up; the lowest cloud reported is at 11,000 ft.

Chart of the air at El Centro NAF: temperature 75.0 degrees Fahrenheit and dew point 51.0, 43 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 5,500 feet above the station, against the lowest cloud reported at 11,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT NJKFIG. B THE AIR AT EL CENTRO NAFTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION02,0004,0006,0008,00010,00012,00014,00030 F40 F50 F60 F70 F80 F90 FSATURATES 5,500 FT ABOVE THE STATION, AT 45.7 FLOWEST CLOUD REPORTED, OVC 11,000 FTTEMPERATURE 75.0 FDEW POINT 51.0 FSPREAD 24.0 FRELATIVE HUMIDITY 43 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 Centro NAF, the airSTATION REPORT · ASOS NJKTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-17IDSR-NJK-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south southwest (200 degrees) at 7 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at El Centro NAF, north up: blowing from 200 degrees, the south southwest, at 7 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 2, light breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT NJKFIG. C THE WIND AT EL CENTRO NAFPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 200°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 7 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEEl Centro NAF, the windSTATION REPORT · ASOS NJKTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-17IDSR-NJK-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of El Centro NAF, 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 Boulevard

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

Near Boulevard

River and lake gauges