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Eucalyptus Hills, California

Community in San Diego County, California

Air quality

The air at Eucalyptus Hills

Index 57, moderate, led by coarse particles. Read at 9 PM from its reporting area, San Diego Foothills (CA), 4 miles off.

57Moderate
  • Fine particles (PM2.5)33Good6.3 mi
  • Ozone44Good47 ppb6.3 mi
  • Coarse particles (PM10)57Moderate6.3 mi

The days ahead

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

Smoke, the next 45 hours

Little smoke near the ground through Sun 5 PM: the index from smoke stays at 11 or under.

SatSun

Precipitation

What has fallen at Eucalyptus Hills

None in the last 3 days, to Fri 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 Eucalyptus Hills, the next 45 hours

Visibility stays 10 miles or more through Sun 5 PM.

SatSun

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

What is measuring near here

The 5 instruments nearest Eucalyptus Hills, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.1 miles away.

measured now3 instruments

measured daily2 instruments

Santee 2.4NNECA-SD-142

In a volunteer observer's own ground/2.1 mi away/509 ft/136 ft below here

precip, snowfall, snow depth

Rank-

Lakeside 2 ELAKC1

At a cooperative observer's station/3.3 mi away/640 ft/5 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at San Diego/Gillespie, drawn

The nearest airport reporting now, 4.2 mi from Eucalyptus Hills, California. From its report of Oct 16, 2026, 9:15 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 San Diego/Gillespie, 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 SEEFIG. A THE SKY OVER SAN DIEGO/GILLESPIESECTION, 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 MORE0510TITLESan Diego/Gillespie, the skySTATION REPORT · ASOS SEETYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-17IDSR-SEE-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

86.0 F with a dew point of 37.4 F, 18 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 11,000 ft up.

Chart of the air at San Diego/Gillespie: temperature 86.0 degrees Fahrenheit and dew point 37.4, 18 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 11,000 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SEEFIG. B THE AIR AT SAN DIEGO/GILLESPIETHE 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 11,000 FT ABOVE THE STATION, AT 27.5 FTEMPERATURE 86.0 FDEW POINT 37.4 FSPREAD 48.6 FRELATIVE HUMIDITY 18 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 POINTTITLESan Diego/Gillespie, the airSTATION REPORT · ASOS SEETYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-17IDSR-SEE-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

At 5 mph: force 2, a light breeze on the Beaufort scale. The strongest gust today was 32 mph.

Plan of the wind at San Diego/Gillespie, north up: at 5 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 SEEFIG. C THE WIND AT SAN DIEGO/GILLESPIEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONDIRECTION NOT REPORTEDBEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 5 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLESan Diego/Gillespie, the windSTATION REPORT · ASOS SEETYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-17IDSR-SEE-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of San Diego/Gillespie, 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 Eucalyptus Hills

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

Near Eucalyptus Hills

River and lake gauges