Temperature
72 F at 8 PM; 80 F at its warmest, 2 PM, and 43 F at its coolest, 6 AM.
- Now
- 72F
- 8 PM
- Highest
- 80F
- 2 PM
- Lowest
- 43F
- 6 AM
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Portland Hillsboro Airport, Oregon
Medium airport in Washington County, Oregon66°
79°/46°
Clear·
Feels like 66°·Light air 4 mph ENE
Now. Portland Hillsboro Airport is 66° and clear at 11 PM. The dew point is 36°, so the air feels dry and comfortable. Light air from the east-northeast at 4 mph.
Today and tonight. Tonight falls to about 48° by 7 AM, under a mostly clear sky. No rain is expected for the rest of the day.
The week. The warmest day ahead is tomorrow, near 77°, and the coolest Monday, near 59°. Rain is possible Saturday (33%). Frost is possible Wednesday morning, a low of 36°.
The sky now. The Moon is a waxing crescent, 27% lit, and stays below the horizon until dawn. The next full Moon is Sunday, Oct 25. Look for Saturn, bright in the south-southeast. 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 10 hours 59 minutes long, 4 minutes shorter than yesterday.
0UV Low
28Air quality
31%Humidity
0%Cloud
Now
11:00 PM
66feels66
now, clear
Today
Oct 15
7946
clear day
Fri
Oct 16
7749
mostly clear day
Sat
Oct 17
6746
33%
Sun
Oct 18
6538
partly cloudy day
Mon
Oct 19
5937
17%
Tue
Oct 20
6337
mostly clear day
Wed
Oct 21
6636
mostly clear day
66°
79°46°
77°49°
67°46°
65°38°
59°37°
63°37°
66°36°
As of 11:00 PM in Portland Hillsboro Airport, Oregon.
Air quality
The air at Portland Hillsboro Airport
Index 28, good, led by fine particles. Read at 10 PM from its reporting area, Hillsboro (OR), 1 mile off.
28Good
- Fine particles (PM2.5)28Good1.3 mi
- Ozone-36 ppb13.9 mi
- Nitrogen dioxide2Good2 ppb13.9 mi
- Sulfur dioxide0Good0 ppb17.1 mi
- Carbon monoxide-0.2 ppm13.9 mi
The days ahead
Yesterday measured 22, good.
GoodModerate
- 22YesterdayOct 14
Smoke, the next 43 hours
Little smoke near the ground through Sat 5 PM: the index from smoke stays at 17 or under.
Precipitation
What has fallen at Portland Hillsboro Airport
None in the last 3 days, to Thu 10 PM. Measured by radar and rain gauges, as water.
- Last 24 hours
- 0.00in
- Last 3 days
- 0.00in
Visibility
How far you can see at Portland Hillsboro Airport, the next 43 hours
Visibility stays 9 miles or more through Sat 5 PM, lowest 10 miles Sat 5 AM.
F
Now, today, and the week
Weather instrument stations by state
Airfield
- Code
- HIO
- ICAO
- KHIO
- IATA
- HIO
- Field elevation
- 208 ft
- Serves
- Portland
- Kind
- Medium airport
- Scheduled service
- No
- Its own instrument
- HIO
- Wind now
- From 80° at 6 mph, read 15 Oct, 22:53
Runways
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 02 / 20 | 3,820 ft | 75 ft | Asphalt | 42° / 222° | 5 mph head, on 02 | 4 mph from the right |
| 13L / 31R | 3,600 ft | 60 ft | Asphalt | 144° / 324° | 3 mph head, on 13L | 5 mph from the left |
| 13R / 31L | 6,600 ft | 150 ft | Asphalt | 142° / 322° | 3 mph head, on 13R | 5 mph from the left |
Measured here
What the airfield's own instrument measured, the last 24 hours
Every hour from Portland/Hillsboro (HIO), Portland Hillsboro Airport's own instrument, measure by measure, on the field's own clock.
Humidity and dew point
A dew point of 35 F, the air 26% saturated; the humidity ran from 25% at 5 PM to 100% at 4 AM.
- Dew point now
- 35F
- 8 PM
- Humidity now
- 26%
- Humidity, range
- 25 to 100%
How it is measured: Humidity variables, Field Book FB-WAT-002
Wind
9 mph from the east northeast at 8 PM; at its strongest 15 mph, 12 PM, with a gust of 25 mph at 11 AM.
- Now
- 9mph
- from the east northeast
- Strongest
- 15mph
- 12 PM
- Highest gust
- 25mph
- 11 AM
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
Pressure
30.22 inHg at 8 PM, steady over 3 hours; 0.08 inHg lower than a day before.
- Now
- 30.22inHg
- 8 PM
- 3 hours
- +0.00inHg
- steady
- 24 hours
- -0.08inHg
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Visibility
Down to 0.3 miles at 6 AM, under a mile for 3 hours; 10 miles or more now.
- Now
- 10+mi
- Lowest
- 0.3mi
- 6 AM
- Hours under a mile
- 3
How it is measured: Fog types, Field Book FB-WAT-020
Cloud base
The lowest cloud base came down to 100 ft at 3 AM; a base was reported in 5 of the hours.
- Lowest base now
- -
- Lowest in 24 hours
- 100ft
- 3 AM
- Hours with a base reported
- 5
How it is measured: Cloud classification, Field Book FB-SKY-001
Precipitation
None measured in the gauge in the last 24 hours.
- Last 24 hours
- 0.00in
- Wettest hour
- -
- Hours with some
- 0
How it is measured: ASOS, Field Book FB-INS-002
Portland/Hillsboro: every reading, the last 7 days, 30 days and the year, and how well it reports
What is measuring near here
The 5 instruments nearest Portland Hillsboro Airport, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.0 miles away.
measured now3 instruments
At an airfield/0.0 mi away/203 ft/5 ft below here
temp, wind, gust, visibility, precip, pressure
Brkwood EvrgnWCRBE
Beside a road/1.4 mi away/207 ft/1 ft below here
temp, pavement temp, wind, visibility, precip
Tualatin R AT GastonGASO3
At a river or reservoir gauge/12.8 mi away/184 ft/24 ft below here
temp, wind, gust, humidity, pressure
measured daily2 instruments
Hillsboro 0.9 WNWOR-WS-10
In a volunteer observer's own ground/0.7 mi away/197 ft/11 ft below here
precip, snowfall, snow depth
At a cooperative observer's station/6.1 mi away/192 ft/16 ft below here
snowfall, snow depth, precip, high, low
What the snow tracker reads here
Every instrument in this state
-
Snow on the ground
Elsewhere in Oregon
25 places, each with its own forecast and its own instruments.
Anthony Lakesski areaAstoriacityBaker CitycityBendcityCrater LakefeatureEugenecityGovernment CamptownHoodooski areaKlamath FallscityLa GrandecityMedfordcityMount Bachelorsurveyed ski areaMount HoodfeatureMt Ashlandski areaMt Hood Meadowsski areaMt Hood Skibowlski areaMt. Hood Meadowssurveyed ski areaPendletoncityPortlandcitySalemcitySantiam PassfeatureSisterscityTimberline Lodgesurveyed ski areaWallowa MountainsfeatureWillamette Passski area
Near Portland Hillsboro Airport
The nearest places, each with its own forecast and the instruments nearest it.
- Hillsborocity, 1 mi
- Rockcreekcommunity, 4 mi
- North Plainscity, 5 mi
- Alohacommunity, 5 mi
- Oak Hillscommunity, 5 mi
- Corneliuscity, 5 mi
- Bethanycommunity, 6 mi
- Marlene Villagecommunity, 7 mi
- Cedar Millcommunity, 7 mi
- Cedar Hillscommunity, 8 mi
- Forest Grovecity, 8 mi
- Beavertoncity, 8 mi
Airports near Portland Hillsboro Airport
- Scappoose Industrial AirparkSPB, 16 mi
- Portland International AirportPDX, 17 mi
- Aurora State AirportUAO, 22 mi
- McMinnville Municipal AirportMMV, 26 mi
- Portland Troutdale AirportTTD, 27 mi
- Tillamook AirportTMK, 43 mi
- Salem-Willamette Valley Airport/McNary FieldSLE, 44 mi
- Astoria Regional AirportAST, 62 mi