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Waipahu, Hawaii

Community in Honolulu County, Hawaii

Air quality

The air at Waipahu

Index 21, good, led by ozone. Read at 11 PM from its reporting area, Sand Island (HI), 11 miles off.

21Good
  • Fine particles (PM2.5)12Good-
  • Ozone21Good-

The days ahead

Yesterday measured 24, good.

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

What is measuring near here

The 5 instruments nearest Waipahu, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.6 miles away.

measured now3 instruments

measured daily2 instruments

Kapolei 1.4 NHI-HN-30

In a volunteer observer's own ground/3.9 mi away/118 ft/41 ft above here

precip, snowfall, snow depth

Rank-

Aiea HeightsAIHH1

At a cooperative observer's station/5.9 mi away/659 ft/582 ft above here

snowfall, snow depth, precip, high, low

Rank310of 384

Station report

The weather at Wheeler_AFB/Oahu, drawn

The nearest airport reporting now, 6.5 mi from Waipahu, Hawaii. From its report of Oct 16, 2026, 11:15 PM local time: 3 of its 6 sheets.

The sky

Scattered at 2,100 ft, broken at 2,800 ft; the ceiling is 2,800 ft; visibility 10 mi or more.

Section of the sky over Wheeler_AFB/Oahu, height above the station to scale: scattered cloud with its base at 2,100 feet, broken cloud with its base at 2,800 feet, the ceiling at 2,800 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PHHIFIG. A THE SKY OVER WHEELER_AFB/OAHUSECTION, 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 STATION01,0002,0003,0004,0005,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETBKN 2,800 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYSCT 2,100 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYCEILING 2,800 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEWheeler_AFB/Oahu, the skySTATION REPORT · ASOS PHHITYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-17IDSR-PHHI-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

75.2 F with a dew point of 66.2 F, 74 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,100 ft up; the lowest cloud reported is at 2,100 ft.

Chart of the air at Wheeler_AFB/Oahu: temperature 75.2 degrees Fahrenheit and dew point 66.2, 74 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,100 feet above the station, against the lowest cloud reported at 2,100 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PHHIFIG. B THE AIR AT WHEELER_AFB/OAHUTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00050 F60 F70 F80 F90 FSATURATES 2,100 FT ABOVE THE STATION, AT 64.1 FLOWEST CLOUD REPORTED, SCT 2,100 FTTEMPERATURE 75.2 FDEW POINT 66.2 FSPREAD 9.0 FRELATIVE HUMIDITY 74 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 POINTTITLEWheeler_AFB/Oahu, the airSTATION REPORT · ASOS PHHITYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-17IDSR-PHHI-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Wheeler_AFB/Oahu, 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 PHHIFIG. C THE WIND AT WHEELER_AFB/OAHUPLAN, 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 FORCE73TITLEWheeler_AFB/Oahu, the windSTATION REPORT · ASOS PHHITYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-17IDSR-PHHI-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Wheeler_AFB/Oahu, 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 Waipahu

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

Near Waipahu

River and lake gauges