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Kapaau, Hawaii

Community in Hawaii County, Hawaii

Air quality

The air at Kapaau

Index 8, good, led by fine particles. Read at 8 PM from its reporting area, Waikoloa (HI), 20 miles off.

8Good
  • Fine particles (PM2.5)8Good-

The days ahead

Yesterday measured 21, good.

On the radar over Kapaau, HawaiiReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 5 instruments nearest Kapaau, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.7 miles away.

measured now3 instruments

Waimea PlainS2099

At a soil climate station/20.4 mi away/3,039 ft/2,637 ft above here

temp, humidity, soil temp, soil moisture

Rank298of 381

measured daily2 instruments

Kapaau 0.9 ESEHI-HI-111

In a volunteer observer's own ground/0.7 mi away/550 ft/148 ft above here

precip, snowfall, snow depth

Rank-

KapaauPLUH1

At a cooperative observer's station/4.6 mi away/502 ft/100 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Bradshaw_AAF/Hawaii, drawn

The nearest airport reporting now, 36.5 mi from Kapaau, Hawaii. From its report of Oct 15, 2026, 7:55 PM local time: 3 of its 6 sheets.

The sky

Scattered at 4,500 ft.

Section of the sky over Bradshaw_AAF/Hawaii, height above the station to scale: scattered cloud with its base at 4,500 feet.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PHSFFIG. A THE SKY OVER BRADSHAW_AAF/HAWAIISECTION, 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 STATION01,0002,0003,0004,0005,0006,0007,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETSCT 4,500 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYTITLEBradshaw_AAF/Hawaii, the skySTATION REPORT · ASOS PHSFTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-PHSF-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

58.5 F with a dew point of 52.7 F, 81 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,400 ft up; the lowest cloud reported is at 4,500 ft.

Chart of the air at Bradshaw_AAF/Hawaii: temperature 58.5 degrees Fahrenheit and dew point 52.7, 81 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,400 feet above the station, against the lowest cloud reported at 4,500 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PHSFFIG. B THE AIR AT BRADSHAW_AAF/HAWAIITHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,00040 F50 F60 F70 FSATURATES 1,400 FT ABOVE THE STATION, AT 51.3 FLOWEST CLOUD REPORTED, SCT 4,500 FTTEMPERATURE 58.5 FDEW POINT 52.7 FSPREAD 5.8 FRELATIVE HUMIDITY 81 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 POINTTITLEBradshaw_AAF/Hawaii, the airSTATION REPORT · ASOS PHSFTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-PHSF-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the east (100 degrees) at 6 mph: force 2, a light breeze on the Beaufort scale. The strongest gust today was 30 mph.

Plan of the wind at Bradshaw_AAF/Hawaii, north up: blowing from 100 degrees, the east, at 6 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 PHSFFIG. C THE WIND AT BRADSHAW_AAF/HAWAIIPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 100°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 6 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEBradshaw_AAF/Hawaii, the windSTATION REPORT · ASOS PHSFTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-PHSF-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Bradshaw_AAF/Hawaii, in 6 sheets, each beside the Field Book plates that explain it

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Snow on the ground

Elsewhere in Hawaii

20 places, each with its own forecast and its own instruments.

Near Kapaau

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

Near Kapaau

River and lake gauges