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Coronado, California

City in San Diego County, California

Air quality

The air at Coronado

Index 52, moderate, led by fine particles. Read at 2 AM from its reporting area, San Diego Coast (CA), 9 miles off.

52Moderate
  • Fine particles (PM2.5)52Moderate8.1 mi
  • Ozone31Good21 ppb8.1 mi
  • Coarse particles (PM10)25Good8.1 mi

The days ahead

Good each day through Today, led by ozone. Yesterday measured 48, good.

Smoke, the next 46 hours

Little smoke near the ground through Sat 11 PM: the index from smoke stays at 22 or under.

FriSat

Precipitation

What has fallen at Coronado

None in the last 3 days, to Fri 1 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 Coronado, the next 46 hours

Visibility stays 10 miles or more through Sat 11 PM.

FriSat

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

What is measuring near here

The 5 instruments nearest Coronado, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.9 miles away.

measured now3 instruments

measured daily2 instruments

San Diego 6.9 SCA-SD-159

In a volunteer observer's own ground/2.4 mi away/152 ft/123 ft above here

precip, snowfall, snow depth

Rank-

San Diego Sea WorldSWDC1

At a cooperative observer's station/6.1 mi away/-13 ft/42 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at North Island NAS, drawn

The nearest airport reporting now, 1.9 mi from Coronado, California. From its report of Oct 16, 2026, 1:52 AM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 9 mi.

Section of the sky over North Island NAS, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 9 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT NZYFIG. A THE SKY OVER NORTH ISLAND NASSECTION, 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: 9 MI0510TITLENorth Island NAS, the skySTATION REPORT · ASOS NZYTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-NZY-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

66.0 F with a dew point of 62.0 F, 87 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 900 ft up.

Chart of the air at North Island NAS: temperature 66.0 degrees Fahrenheit and dew point 62.0, 87 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 900 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT NZYFIG. B THE AIR AT NORTH ISLAND NASTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00050 F60 F70 F80 FSATURATES 900 FT ABOVE THE STATION, AT 61.0 FTEMPERATURE 66.0 FDEW POINT 62.0 FSPREAD 4.0 FRELATIVE HUMIDITY 87 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 POINTTITLENorth Island NAS, the airSTATION REPORT · ASOS NZYTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-NZY-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at North Island NAS, north up: calm; beside it the Beaufort scale from calm to hurricane force, force 0, calm, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT NZYFIG. C THE WIND AT NORTH ISLAND NASPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLENorth Island NAS, the windSTATION REPORT · ASOS NZYTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-NZY-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of North Island NAS, 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 Coronado

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

Near Coronado

River and lake gauges