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Avalon, California

City in Los Angeles County, California

Air quality

The air at Avalon

Index 42, good, led by fine particles. Read at 9 PM from its reporting area, South Coastal LA (CA), 34 miles off.

42Good
  • Fine particles (PM2.5)42Good-
  • Ozone19Good-
  • Coarse particles (PM10)22Good-

The days ahead

Moderate each day through Fri Oct 16, led by fine particles. Yesterday measured 45, good.

Smoke, the next 44 hours

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

FriSat

Precipitation

What has fallen at Avalon

None in the last 3 days, to Thu 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 Avalon, the next 44 hours

Visibility stays 10 miles or more through Sat 5 PM.

FriSat

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

What is measuring near here

The 5 instruments nearest Avalon, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.5 miles away.

measured now3 instruments

measured daily2 instruments

Long Beach - Palos VerdesPAVC1

At a cooperative observer's station/31.8 mi away/257 ft/140 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Avalon - Catalina Island RAWS, drawn

The nearest instrument reporting now, 1.5 mi from Avalon, California. From its report of Oct 15, 2026, 9:22 PM local time: 3 of its 5 sheets.

The air

78.0 F with a dew point of 32.4 F, 19 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 10,300 ft up.

Chart of the air at Avalon - Catalina Island RAWS: temperature 78.0 degrees Fahrenheit and dew point 32.4, 19 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 10,300 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CWNC1FIG. B THE AIR AT AVALON - CATALINA ISLAND RAWSTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION02,0004,0006,0008,00010,00012,00010 F30 F50 F70 F90 FSATURATES 10,300 FT ABOVE THE STATION, AT 23.2 FTEMPERATURE 78.0 FDEW POINT 32.4 FSPREAD 45.6 FRELATIVE HUMIDITY 19 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 POINTTITLEAvalon - Catalina Island RAWS, the airSTATION REPORT · DCP CWNC1TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 5DATE2026-10-16IDSR-CWNC1-1DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the southwest (226 degrees) at 20 mph, gusting 32 mph: force 5, a fresh breeze on the Beaufort scale. The strongest gust today was 32 mph.

Plan of the wind at Avalon - Catalina Island RAWS, north up: blowing from 226 degrees, the southwest, at 20 miles an hour, gusting 32; beside it the Beaufort scale from calm to hurricane force, force 5, fresh breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CWNC1FIG. C THE WIND AT AVALON - CATALINA ISLAND RAWSPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 226°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE19NOW, 20 MPH6STRONG BREEZE257NEAR GALE32GUST, 32 MPH8GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEAvalon - Catalina Island RAWS, the windSTATION REPORT · DCP CWNC1TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 2 of 5DATE2026-10-16IDSR-CWNC1-2DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

The column

At 1,500 ft above sea level, 5 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 28.33 inHg and the temperature at 53.7 F; it reports 78.0 F, 24.3 F warmer than standard.

Section from sea level of where Avalon - Catalina Island RAWS stands in the atmosphere, height to scale: the station 1,500 feet above sea level with 5 per cent of the air below it; the standard atmosphere's pressure there, 28.33 inches of mercury, and temperature, 53.7 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CWNC1FIG. D WHERE AVALON - CATALINA ISLAND RAWS STANDS IN THE ATMOSPHERESECTION FROM SEA LEVEL, HEIGHT TO SCALE, THE STATION IN THE STANDARD ATMOSPHEREFT ABOVE SEA LEVEL05,00010,00015,000SEA LEVEL, 29.92 inHg IN THE STANDARD ATMOSPHEREAVALON - CATALINA ISLAND RAWS5 PER CENT OF THE AIR BELOW IT1,500 FT10 PER CENT OF THE AIR BELOW, 2,890 FT20 PER CENT OF THE AIR BELOW, 6,050 FT30 PER CENT OF THE AIR BELOW, 9,540 FT40 PER CENT OF THE AIR BELOW, 13,470 FTSTANDARD PRESSURE HERE28.33 inHgSTANDARD TEMPERATURE HERE53.7 FTEMPERATURE, REPORTED78.0 FTITLEAvalon - Catalina Island RAWS, the columnSTATION REPORT · DCP CWNC1TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 3 of 5DATE2026-10-16IDSR-CWNC1-3DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The full report of Avalon - Catalina Island RAWS, in 5 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 Avalon

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

Near Avalon

River and lake gauges