Temperature
70 F at 8 PM; 80 F at its warmest, 2 PM, and 50 F at its coolest, 7 AM.
- Now
- 70F
- 8 PM
- Highest
- 80F
- 2 PM
- Lowest
- 50F
- 7 AM
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Portland International Airport, Oregon
Large airport in Multnomah County, Oregon67°
78°/51°
Clear·
Feels like 67°·Light breeze 6 mph E
Now. Portland International Airport is 67° and clear at 11 PM. The dew point is 38°, so the air feels dry and comfortable. Light breeze from the east at 6 mph.
Today and tonight. Tonight falls to about 54° 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 78°, and the coolest Monday, near 60°. Rain is likely Saturday (50%).
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, 3 minutes shorter than yesterday.
0UV Low
49Air quality
37%Humidity
0%Cloud
Now
11:00 PM
67feels67
now, clear
Today
Oct 15
7851
15mph
Fri
Oct 16
7855
mostly clear day
Sat
Oct 17
6652
50%
Sun
Oct 18
6543
partly cloudy day
Mon
Oct 19
6044
18%
Tue
Oct 20
6343
mostly clear day
Wed
Oct 21
6541
mostly clear day
67°
78°51°
78°55°
66°52°
65°43°
60°44°
63°43°
65°41°
As of 11:00 PM in Portland International Airport, Oregon.
Air quality
The air at Portland International Airport
Index 49, good, led by fine particles. Read at 10 PM from its reporting area, Portland (OR), 4 miles off.
49Good
- Fine particles (PM2.5)49Good6.5 mi
- Ozone34Good38 ppb6.5 mi
- Nitrogen dioxide1Good1 ppb6.5 mi
- Sulfur dioxide0Good0 ppb6.5 mi
- Carbon monoxide-0.1 ppm6.5 mi
The days ahead
Good each day through Fri Oct 16, led by fine particles. Yesterday measured 53, moderate.
GoodModerate
- 53YesterdayOct 14
- 50TodayOct 15
- 50FriOct 16
Smoke, the next 43 hours
Little smoke near the ground through Sat 5 PM: the index from smoke stays at 22 or under.
Precipitation
What has fallen at Portland International 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 International Airport, the next 43 hours
Visibility stays 7 miles or more through Sat 5 PM, lowest 8 miles Sat 8 AM.
F
Now, today, and the week
Weather instrument stations by state
Airfield
- Code
- PDX
- ICAO
- KPDX
- IATA
- PDX
- Field elevation
- 31 ft
- Serves
- Portland
- Kind
- Large airport
- Scheduled service
- Yes
- Its own instrument
- PDX
- Wind now
- From 120° at 7 mph, read 15 Oct, 21:53
Runways
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 10L / 28R | 9,825 ft | 150 ft | Asphalt | 119° / 299° | 7 mph head, on 10L | None |
| 10R / 28L | 11,000 ft | 150 ft | Asphalt | 119° / 299° | 7 mph head, on 10R | None |
| 3 / 21 | 6,000 ft | 150 ft | Asphalt | 45° / 225° | 2 mph head, on 3 | 7 mph from the right |
Measured here
What the airfield's own instrument measured, the last 24 hours
Every hour from Portland INTL Arpt (PDX), Portland International Airport's own instrument, measure by measure, on the field's own clock.
Humidity and dew point
A dew point of 39 F, the air 32% saturated; the humidity ran from 23% at 4 PM to 96% at 4 AM.
- Dew point now
- 39F
- 8 PM
- Humidity now
- 32%
- Humidity, range
- 23 to 96%
How it is measured: Humidity variables, Field Book FB-WAT-002
Wind
12 mph from the east southeast at 8 PM; at its strongest 19 mph, 5 PM, with a gust of 30 mph at 6 PM.
- Now
- 12mph
- from the east southeast
- Strongest
- 19mph
- 5 PM
- Highest gust
- 30mph
- 6 PM
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
Pressure
30.22 inHg at 8 PM, steady over 3 hours; 0.09 inHg lower than a day before.
- Now
- 30.22inHg
- 8 PM
- 3 hours
- +0.01inHg
- steady
- 24 hours
- -0.09inHg
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Visibility
Down to 0.5 miles at 8 AM, under a mile for 2 hours; 9 miles now.
- Now
- 9mi
- Lowest
- 0.5mi
- 8 AM
- Hours under a mile
- 2
How it is measured: Fog types, Field Book FB-WAT-020
Cloud base
The lowest cloud base came down to 0 ft at 8 AM; a base was reported in 12 of the hours.
- Lowest base now
- -
- Lowest in 24 hours
- 0ft
- 8 AM
- Hours with a base reported
- 12
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 INTL Arpt: 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 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 now3 instruments
At an airfield/0.2 mi away/39 ft/8 ft above here
temp, wind, gust, visibility, precip, pressure
I205 SB at Gov Island MP25.6OD172
Beside a road/2.6 mi away/39 ft/8 ft above here
temp, pavement temp, wind, visibility, precip
Milwaukee 1SE - Kellogg CreekKCMO3
At a river or reservoir gauge/10.9 mi away/59 ft/28 ft above here
temp, wind, gust, humidity, pressure
measured daily2 instruments
Portland 4.5 ENEOR-MT-165
In a volunteer observer's own ground/2.3 mi away/75 ft/44 ft above here
precip, snowfall, snow depth
Wfo PortlandPQR
At a cooperative observer's station/3.5 mi away/23 ft/8 ft below here
snowfall, snow depth, precip, high, low
What the snow tracker reads here
Every instrument in this state
0in
Snow on the ground
Measured at Wfo Portland (PQR), 3.5 miles from here, read 14 Oct, 23:59. measured daily
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 International Airport
The nearest places, each with its own forecast and the instruments nearest it.
- Maywood Parkcity, 3 mi
- Portlandcity, 6 mi
- Fairviewcity, 8 mi
- Wood Villagecity, 9 mi
- West Haven-Sylvancommunity, 10 mi
- Greshamcity, 10 mi
- Milwaukiecity, 10 mi
- Raleigh Hillscommunity, 10 mi
- Dunthorpecommunity, 11 mi
- Cedar Millcommunity, 11 mi
- West Slopecommunity, 11 mi
- Troutdalecity, 11 mi
Airports near Portland International Airport
- Portland Troutdale AirportTTD, 10 mi
- Portland Hillsboro AirportHIO, 17 mi
- Scappoose Industrial AirparkSPB, 18 mi
- Aurora State AirportUAO, 25 mi
- McMinnville Municipal AirportMMV, 38 mi
- Salem-Willamette Valley Airport/McNary FieldSLE, 51 mi
- Ken Jernstedt Airfield4S2, 52 mi
- Tillamook AirportTMK, 60 mi