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Waikapu, Hawaii

Community in Maui County, Hawaii

Air quality

The air at Waikapu

Index 9, good, led by fine particles. Read at 3 AM from its reporting area, Kahului (HI), 1 mile off.

9Good
  • Fine particles (PM2.5)9Good0.8 mi

The days ahead

Yesterday measured 16, good.

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

What is measuring near here

The 5 instruments nearest Waikapu, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.0 miles away.

measured now3 instruments

Citizen station WH6BXKWH6BXK

In a volunteer observer's own ground/3.1 mi away/4 ft/436 ft below here

temp, humidity, wind, precip, pressure

Rank-

Kahului, Kahului HarborNDBC-KLIH1

At a harbour/3.4 mi away/-/- ft from here

temp, wind, gust, humidity, pressure

Rank-

KahuluiPHOG

At an airfield/5.0 mi away/46 ft/394 ft below here

temp, wind, gust, visibility, precip, pressure

Rank-

measured daily2 instruments

Wailuku 1.2 SHI-MI-13

In a volunteer observer's own ground/1.0 mi away/522 ft/82 ft above here

precip, snowfall, snow depth

Rank-

PukalaniPUKH1

At a cooperative observer's station/11.2 mi away/1,656 ft/1,216 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Kahului, drawn

The nearest airport reporting now, 5.0 mi from Waikapu, Hawaii. From its report of Oct 16, 2026, 3:54 AM local time: 3 of its 6 sheets.

The sky

A few clouds at 5,500 ft, overcast at 7,500 ft; the ceiling is 7,500 ft; visibility 10 mi or more.

Section of the sky over Kahului, height above the station to scale: a few clouds cloud with its base at 5,500 feet, overcast cloud with its base at 7,500 feet, the ceiling at 7,500 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PHOGFIG. A THE SKY OVER KAHULUISECTION, 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 STATION02,5005,0007,50010,00012,500ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FTOVC 7,500 FTOVERCAST, 8 EIGHTHS OF THE SKYFEW 5,500 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYCEILING 7,500 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEKahului, the skySTATION REPORT · ASOS PHOGTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-PHOG-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018, FB-SKY-013, FB-SKY-014

The air

74.0 F with a dew point of 70.0 F, 87 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 900 ft up; the lowest cloud reported is at 5,500 ft.

Chart of the air at Kahului: temperature 74.0 degrees Fahrenheit and dew point 70.0, 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, against the lowest cloud reported at 5,500 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PHOGFIG. B THE AIR AT KAHULUITHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,00060 F70 F80 FSATURATES 900 FT ABOVE THE STATION, AT 69.0 FABOVE THIS SHEET: LOWEST CLOUD REPORTED, FEW 5,500 FTTEMPERATURE 74.0 FDEW POINT 70.0 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 POINTTITLEKahului, the airSTATION REPORT · ASOS PHOGTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-PHOG-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north (360 degrees) at 12 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 21 mph.

Plan of the wind at Kahului, north up: blowing from 360 degrees, the north, at 12 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PHOGFIG. C THE WIND AT KAHULUIPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 360°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 12 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEKahului, the windSTATION REPORT · ASOS PHOGTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-PHOG-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Kahului, 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 Waikapu

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

Near Waikapu

River and lake gauges