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Monterey, California

City in Monterey County, California

Air quality

The air at Monterey

Index 35, good, led by fine particles. Read at 2 AM from its reporting area, Carmel Valley (CA), 12 miles off.

35Good
  • Fine particles (PM2.5)35Good12.3 mi
  • Ozone31Good35 ppb12.3 mi
  • Nitrogen dioxide14Good15 ppb16.7 mi
  • Carbon monoxide-0.1 ppm16.7 mi

The days ahead

Good each day through Sun Oct 18, led by fine particles. Yesterday measured 51, moderate.

Smoke, the next 46 hours

Little smoke near the ground through Sat 11 PM: the index from smoke stays at 6 or under.

FriSat

Precipitation

What has fallen at Monterey

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 Monterey, the next 46 hours

Visibility stays 10 miles or more through Sat 11 PM.

FriSat

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

What is measuring near here

The 6 instruments nearest Monterey, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.5 miles away.

measured now4 instruments

measured daily2 instruments

MontereyMOTC1

At a cooperative observer's station/0.9 mi away/353 ft/298 ft above here

snowfall, snow depth, precip, high, low

Rank289of 4,465

Station report

The weather at Monterey Peninsula, drawn

The nearest airport reporting now, 2.7 mi from Monterey, California. From its report of Oct 16, 2026, 1:54 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 Monterey Peninsula, 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 MRYFIG. A THE SKY OVER MONTEREY PENINSULASECTION, 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 MORE0510TITLEMonterey Peninsula, the skySTATION REPORT · ASOS MRYTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-MRY-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

60.0 F with a dew point of 42.0 F, 51 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 4,100 ft up.

Chart of the air at Monterey Peninsula: temperature 60.0 degrees Fahrenheit and dew point 42.0, 51 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 4,100 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MRYFIG. B THE AIR AT MONTEREY PENINSULATHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,00030 F40 F50 F60 F70 FSATURATES 4,100 FT ABOVE THE STATION, AT 38.0 FTEMPERATURE 60.0 FDEW POINT 42.0 FSPREAD 18.0 FRELATIVE HUMIDITY 51 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 POINTTITLEMonterey Peninsula, the airSTATION REPORT · ASOS MRYTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-MRY-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Monterey Peninsula, 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 MRYFIG. C THE WIND AT MONTEREY PENINSULAPLAN, 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 FORCE73TITLEMonterey Peninsula, the windSTATION REPORT · ASOS MRYTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-MRY-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Monterey Peninsula, 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 Monterey

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

Near Monterey

River and lake gauges