Temperature
76 F at 4 PM; 82 F at its warmest, 11 AM, and 72 F at its coolest, 12 AM.
- Now
- 76F
- 4 PM
- Highest
- 82F
- 11 AM
- Lowest
- 72F
- 12 AM
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Hilo International Airport, Hawaii
Medium airport in Hawaii County, Hawaii77°
83°/71°
Overcast·
Feels like 77°·Light breeze 4 mph E
Coming up. Rain is likely tonight, from about 9 PM (60%).
Now. Hilo International Airport is 77° and overcast at 5 PM. The dew point is 73°, so the air feels very oppressive. Light breeze from the east at 4 mph.
Today and tonight. It warms to about 79° by 5 PM. Tonight falls to about 71° by 6 AM, under a mostly clear sky.
The week. Highs stay close to 83° all week. Rain is likely tomorrow (67%) and Saturday (51%).
The sky tonight. The sun sets at 5:57 PM. The Moon is a waxing crescent, 26% lit, and sets at 9:53 PM. The next full Moon is Sunday, Oct 25. After dark, look for Saturn, bright in the east. A planet shines with a steady light where the stars around it twinkle. The Orionids meteor shower is active, peaking around Oct 21: at its peak, up to about 20 meteors an hour can be seen from a dark site. The sky is forecast to stay clear: a good night to look up. The day is 11 hours 43 minutes long, 1 minute shorter than yesterday.
0UV Low
2Air quality
91%Humidity
100%Cloud
Now
5:00 PM
77feels77
10%
Today
Oct 15
8371
68%
UV 9
Fri
Oct 16
8371
67%
UV 9
Sat
Oct 17
8269
51%
UV 10
Sun
Oct 18
8268
28%
UV 8
Mon
Oct 19
8268
22%
UV 9
Tue
Oct 20
8268
27%
UV 8
Wed
Oct 21
8268
15%
UV 9
77°
83°71°
83°71°
82°69°
82°68°
82°68°
82°68°
82°68°
As of 5:00 PM in Hilo International Airport, Hawaii.
Air quality
The air at Hilo International Airport
Index 2, good, led by fine particles. Read at 5 PM from its reporting area, Hilo (HI), 4 miles off.
2Good
- Fine particles (PM2.5)2Good-
The days ahead
Yesterday measured 21, good.
GoodModerate
- 21YesterdayOct 14
F
Now, today, and the week
Weather instrument stations by state
Airfield
- Code
- ITO
- ICAO
- PHTO
- IATA
- ITO
- Field elevation
- 38 ft
- Serves
- Hilo
- Kind
- Medium airport
- Scheduled service
- Yes
- Its own instrument
- PHTO
- Wind now
- From 250° at 5 mph, read 15 Oct, 16:53
Runways
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 03 / 21 | 5,600 ft | 150 ft | Asphalt | 39° / 219° | 4 mph head, on 21 | 3 mph from the right |
| 08 / 26 | 9,800 ft | 150 ft | Asphalt | 90° / 270° | 5 mph head, on 26 | 2 mph from the left |
Measured here
What the airfield's own instrument measured, the last 24 hours
Every hour from Hilo/Lyman_Field_(ASOS) (PHTO), Hilo International Airport's own instrument, measure by measure, on the field's own clock.
Humidity and dew point
A dew point of 73 F, the air 90% saturated; the humidity ran from 69% at 11 AM to 97% at 4 AM.
- Dew point now
- 73F
- 4 PM
- Humidity now
- 90%
- Humidity, range
- 69 to 97%
How it is measured: Humidity variables, Field Book FB-WAT-002
Wind
5 mph from the west northwest at 5 PM; at its strongest 9 mph, 12 PM, with a gust of 18 mph at 12 PM.
- Now
- 5mph
- from the west northwest
- Strongest
- 9mph
- 12 PM
- Highest gust
- 18mph
- 12 PM
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
Pressure
29.96 inHg at 5 PM, steady over 3 hours; the same as a day before.
- Now
- 29.96inHg
- 5 PM
- 3 hours
- +0.02inHg
- steady
- 24 hours
- +0.00inHg
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Visibility
Down to 4 miles at 4 AM; 10 miles or more now.
- Now
- 10+mi
- Lowest
- 4mi
- 4 AM
- Hours under a mile
- 0
How it is measured: Fog types, Field Book FB-WAT-020
Cloud base
The lowest cloud base came down to 1,000 ft at 7 PM Wednesday; a base was reported in 24 of the hours.
- Lowest base now
- 2,500ft
- Lowest in 24 hours
- 1,000ft
- 7 PM Wednesday
- Hours with a base reported
- 24
How it is measured: Cloud classification, Field Book FB-SKY-001
Precipitation
0.15 in measured in the gauge, the most, 0.04 in, in the hour to 5 AM.
- Last 24 hours
- 0.15in
- Wettest hour
- 0.04in
- 5 AM
- Hours with some
- 13
How it is measured: ASOS, Field Book FB-INS-002
What is measuring near here
The 6 instruments nearest Hilo International Airport, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.2 miles away.
measured now4 instruments
At an airfield/0.2 mi away/36 ft/2 ft below here
temp, wind, gust, visibility, precip, pressure
Waiakea Exp StationWEXH1
At a river or reservoir gauge/5.8 mi away/625 ft/587 ft above here
temp, wind, gust, humidity, pressure
Hilo 5 S21515
At a climate reference station/6.1 mi away/622 ft/584 ft above here
temp, humidity, wind, solar, precip
Silver SwordS2101
At a soil climate station/24.8 mi away/9,324 ft/9,286 ft above here
temp, humidity, soil temp, soil moisture
measured daily2 instruments
Hilo 1.0 ENEHI-HI-16
In a volunteer observer's own ground/2.3 mi away/80 ft/42 ft above here
precip, snowfall, snow depth
PapaikouPPAH1
At a cooperative observer's station/5.6 mi away/296 ft/258 ft above here
snowfall, snow depth, precip, high, low
What the snow tracker reads here
Every instrument in this state
-
Snow on the ground
Elsewhere in Hawaii
20 places, each with its own forecast and its own instruments.
Near Hilo International Airport
The nearest places, each with its own forecast and the instruments nearest it.
- Hilocity, 3 mi
- Wainakucommunity, 4 mi
- Paukaacommunity, 4 mi
- Papaikoucommunity, 6 mi
- Keaaucommunity, 7 mi
- Pepeekeocommunity, 9 mi
- Kurtistowncommunity, 9 mi
- Hawaiian Paradise Parkcommunity, 11 mi
- Honomucommunity, 11 mi
- Orchidlands Estatescommunity, 12 mi
- Hawaiian Acrescommunity, 12 mi
- Mountain Viewcommunity, 12 mi
Airports near Hilo International Airport
- Bradshaw Army AirfieldBSF, 33 mi
- Waimea Kohala AirportMUE, 45 mi
- Ellison Onizuka Kona International Airport at KeāholeKOA, 65 mi
- Hana AirportHNM, 97 mi
- Kahului International AirportOGG, 121 mi
- Kapalua AirportJHM, 136 mi
- Lanai AirportLNY, 144 mi
- Kalaupapa AirportLUP, 162 mi