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McKinleyville, California

Community in Humboldt County, California

Air quality

The air at McKinleyville

Index 31, good, led by coarse particles. Read at 11 PM from its reporting area, Eureka (CA), 10 miles off.

31Good
  • Coarse particles (PM10)31Good11.8 mi

The days ahead

Yesterday measured 23, good.

Smoke, the next 43 hours

No smoke near the ground through Sat 5 PM.

FriSat

Precipitation

What has fallen at McKinleyville

None in the last 3 days, to Thu 10 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 McKinleyville, the next 43 hours

Dense fog: visibility falls to 0 miles Fri 6 AM, under a mile for 19 hours.

FriSat

What is measuring near here

The 5 instruments nearest McKinleyville, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.3 miles away.

measured now3 instruments

measured daily2 instruments

McKinleyville 0.6 SECA-HM-8

In a volunteer observer's own ground/0.3 mi away/115 ft/10 ft below here

precip, snowfall, snow depth

Rank-

ScotiaSCTC1

At a cooperative observer's station/31.8 mi away/138 ft/13 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Arcata/Eureka Arpt, drawn

The nearest airport reporting now, 2.4 mi from McKinleyville, California. From its report of Oct 15, 2026, 10:53 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 Arcata/Eureka Arpt, 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 ACVFIG. A THE SKY OVER ARCATA/EUREKA ARPTSECTION, 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 MORE0510TITLEArcata/Eureka Arpt, the skySTATION REPORT · ASOS ACVTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-ACV-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

51.0 F with a dew point of 49.0 F, 93 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 500 ft up.

Chart of the air at Arcata/Eureka Arpt: temperature 51.0 degrees Fahrenheit and dew point 49.0, 93 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 500 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ACVFIG. B THE AIR AT ARCATA/EUREKA ARPTTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00040 F50 F60 FSATURATES 500 FT ABOVE THE STATION, AT 48.5 FTEMPERATURE AND DEW POINT 51.0 F, 49.0 FRELATIVE HUMIDITY 93 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 POINTTITLEArcata/Eureka Arpt, the airSTATION REPORT · ASOS ACVTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-ACV-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the east (90 degrees) at 5 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Arcata/Eureka Arpt, north up: blowing from 90 degrees, the east, 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 ACVFIG. C THE WIND AT ARCATA/EUREKA ARPTPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 90°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 5 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEArcata/Eureka Arpt, the windSTATION REPORT · ASOS ACVTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-ACV-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Arcata/Eureka Arpt, 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 McKinleyville

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

Near McKinleyville