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Fern Forest, Hawaii

Community in Hawaii County, Hawaii

Air quality

The air at Fern Forest

Index 15, good, led by fine particles. Read at 11 PM from its reporting area, Mountain View (HI), 8 miles off.

15Good
  • Fine particles (PM2.5)15Good-

The days ahead

Yesterday measured 12, good.

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

What is measuring near here

The 7 instruments nearest Fern Forest, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 4.6 miles away.

measured now5 instruments

Hilo 5 S21515

At a climate reference station/12.2 mi away/622 ft/1,547 ft below here

temp, humidity, wind, solar, precip

Rank291of 381

KealakomoKMOH1

At a river or reservoir gauge/12.2 mi away/54 ft/2,115 ft below here

temp, wind, gust, humidity, pressure

Rank59of 381

Silver SwordS2101

At a soil climate station/28.1 mi away/9,324 ft/7,155 ft above here

temp, humidity, soil temp, soil moisture

Rank371of 381

measured daily2 instruments

Mountain View 4.4 EHI-HI-118

In a volunteer observer's own ground/4.6 mi away/1,465 ft/704 ft below here

precip, snowfall, snow depth

Rank-

Pahoa 6SKUOH1

At a cooperative observer's station/11.8 mi away/880 ft/1,289 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Hilo/Lyman_Field_(ASOS), drawn

The nearest airport reporting now, 18.1 mi from Fern Forest, Hawaii. From its report of Oct 15, 2026, 10:53 PM local time: 3 of its 6 sheets.

The sky

A few clouds at 2,800 ft, overcast at 6,500 ft; the ceiling is 6,500 ft; visibility 10 mi or more.

Section of the sky over Hilo/Lyman_Field_(ASOS), height above the station to scale: a few clouds cloud with its base at 2,800 feet, overcast cloud with its base at 6,500 feet, the ceiling at 6,500 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PHTOFIG. A THE SKY OVER HILO/LYMAN_FIELD_(ASOS)SECTION, 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 STATION02,5005,0007,50010,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 6,500 FTOVERCAST, 8 EIGHTHS OF THE SKYFEW 2,800 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYCEILING 6,500 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEHilo/Lyman_Field_(ASOS), the skySTATION REPORT · ASOS PHTOTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-PHTO-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

73.0 F with a dew point of 69.0 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 2,800 ft.

Chart of the air at Hilo/Lyman_Field_(ASOS): temperature 73.0 degrees Fahrenheit and dew point 69.0, 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 2,800 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PHTOFIG. B THE AIR AT HILO/LYMAN_FIELD_(ASOS)THE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,00060 F70 F80 FSATURATES 900 FT ABOVE THE STATION, AT 68.0 FLOWEST CLOUD REPORTED, FEW 2,800 FTTEMPERATURE 73.0 FDEW POINT 69.0 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 POINTTITLEHilo/Lyman_Field_(ASOS), the airSTATION REPORT · ASOS PHTOTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-PHTO-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west southwest (240 degrees) at 7 mph: force 2, a light breeze on the Beaufort scale. The strongest gust today was 18 mph.

Plan of the wind at Hilo/Lyman_Field_(ASOS), north up: blowing from 240 degrees, the west southwest, at 7 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 PHTOFIG. C THE WIND AT HILO/LYMAN_FIELD_(ASOS)PLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 240°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 7 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEHilo/Lyman_Field_(ASOS), the windSTATION REPORT · ASOS PHTOTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-PHTO-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Hilo/Lyman_Field_(ASOS), 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 Fern Forest

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

Near Fern Forest

River and lake gauges