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Mount Laguna, California

Community in San Diego County, California

Air quality

The air at Mount Laguna

Index 57, moderate, led by coarse particles. Read at 2 PM from its reporting area, San Diego Foothills (CA), 27 miles off.

57Moderate
  • Fine particles (PM2.5)34Good20.3 mi
  • Ozone40Good47 ppb20.3 mi
  • Coarse particles (PM10)57Moderate20.3 mi

The days ahead

Moderate each day through Sun Oct 18, led by ozone. Yesterday measured 44, good.

Smoke, the next 45 hours

No smoke near the ground through Sun 11 AM.

FriSatSun

Precipitation

What has fallen at Mount Laguna

None in the last 3 days, to Fri 2 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 Mount Laguna, the next 45 hours

Visibility stays 10 miles or more through Sun 11 AM.

FriSatSun

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

What is measuring near here

The 5 instruments nearest Mount Laguna, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.2 miles away.

measured now3 instruments

Mt. Laguna RAWSMLGC1

A remote fire weather station/1.3 mi away/5,771 ft/187 ft below here

temp, wind, gust, humidity, pressure

Rank-

Citizen station EW9965EW9965

In a volunteer observer's own ground/27.5 mi away/620 ft/5,338 ft below here

temp, humidity, wind, precip, pressure

Rank-

Borrego SpringsL08

At an airfield/27.8 mi away/525 ft/5,433 ft below here

temp, wind, gust, visibility, precip, pressure

Rank-

measured daily2 instruments

Mt. Laguna #3MLNC1

At a cooperative observer's station/0.2 mi away/5,922 ft/36 ft below here

snowfall, snow depth, precip, high, low

Rank-

Descanso 0.8 NCA-SD-104

In a volunteer observer's own ground/11.6 mi away/3,487 ft/2,471 ft below here

precip, snowfall, snow depth

Rank-

Station report

The weather at Borrego Springs, drawn

The nearest airport reporting now, 27.8 mi from Mount Laguna, California. From its report of Oct 16, 2026, 2:35 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 Borrego Springs, 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 L08FIG. A THE SKY OVER BORREGO SPRINGSSECTION, 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 MORE0510TITLEBorrego Springs, the skySTATION REPORT · ASOS L08TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-L08-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

89.6 F with a dew point of 37.4 F, 16 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 11,800 ft up.

Chart of the air at Borrego Springs: temperature 89.6 degrees Fahrenheit and dew point 37.4, 16 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 11,800 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT L08FIG. B THE AIR AT BORREGO SPRINGSTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION02,0004,0006,0008,00010,00012,00014,00020 F40 F60 F80 F100 FSATURATES 11,800 FT ABOVE THE STATION, AT 26.8 FTEMPERATURE 89.6 FDEW POINT 37.4 FSPREAD 52.2 FRELATIVE HUMIDITY 16 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 POINTTITLEBorrego Springs, the airSTATION REPORT · ASOS L08TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-L08-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the east (90 degrees) at 12 mph, gusting 23 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 25 mph.

Plan of the wind at Borrego Springs, north up: blowing from 90 degrees, the east, at 12 miles an hour, gusting 23; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT L08FIG. C THE WIND AT BORREGO SPRINGSPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 90°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 12 MPH4MODERATE BREEZE135FRESH BREEZE19GUST, 23 MPH6STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEBorrego Springs, the windSTATION REPORT · ASOS L08TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-L08-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Borrego Springs, 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 Mount Laguna

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

Near Mount Laguna

River and lake gauges