Temperature
69 F at 8 PM; 77 F at its warmest, 2 PM, and 49 F at its coolest, 11 PM Wednesday.
- Now
- 69F
- 8 PM
- Highest
- 77F
- 2 PM
- Lowest
- 49F
- 11 PM Wednesday
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Portland Troutdale Airport, Oregon
Medium airport in Multnomah County, Oregon69°
78°/50°
Clear·
Feels like 69°·Moderate breeze 15 mph E
Coming up. Rain is likely Saturday morning, from about 6 AM (61%).
Now. Portland Troutdale Airport is 69° and clear at 9 PM. The dew point is 40°, so the air feels dry and comfortable. Moderate breeze from the east at 15 mph, gusting to 25 mph.
Today and tonight. Tonight falls to about 55° by 7 AM, under a mostly clear sky.
The week. The warmest day ahead is tomorrow, near 78°, and the coolest Monday, near 61°. Rain is likely Saturday (61%).
The sky now. The Moon is a waxing crescent, 26% lit, and stays below the horizon until dawn. The next full Moon is Sunday, Oct 25. Look for Saturn, bright in the 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
44Air quality
35%Humidity
1%Cloud
Now
9:00 PM
69feels69
15mph
Today
Oct 15
7850
14mph
Fri
Oct 16
7855
14mph
Sat
Oct 17
6549
61%
Sun
Oct 18
6639
partly cloudy day
Mon
Oct 19
6141
18%
Tue
Oct 20
6439
mostly clear day
Wed
Oct 21
6638
mostly clear day
69°
78°50°
78°55°
65°49°
66°39°
61°41°
64°39°
66°38°
As of 9:00 PM in Portland Troutdale Airport, Oregon.
Air quality
The air at Portland Troutdale Airport
Index 44, good, led by fine particles. Read at 8 PM from its reporting area, Portland (OR), 12 miles off.
44Good
- Fine particles (PM2.5)44Good10.5 mi
- Ozone34Good39 ppb10.5 mi
- Nitrogen dioxide2Good2 ppb10.5 mi
- Sulfur dioxide0Good0 ppb10.5 mi
- Carbon monoxide-0.1 ppm10.5 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 45 hours
Little smoke near the ground through Sat 5 PM: the index from smoke stays at 44 or under.
Precipitation
What has fallen at Portland Troutdale Airport
None in the last 3 days, to Thu 8 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 Troutdale Airport, the next 45 hours
Visibility stays 3 miles or more through Sat 5 PM, lowest 3 miles Sat 5 PM.
F
Now, today, and the week
Weather instrument stations by state
Airfield
- Code
- TTD
- ICAO
- KTTD
- IATA
- TTD
- Field elevation
- 39 ft
- Serves
- Portland
- Kind
- Medium airport
- Scheduled service
- No
- Its own instrument
- TTD
- Wind now
- From 90° at 18 mph, read 15 Oct, 20:53
Runways
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 07 / 25 | 5,399 ft | 150 ft | Asphalt | 89° / 269° | 18 mph head, on 07 | None |
Measured here
What the airfield's own instrument measured, the last 24 hours
Every hour from Portland - Troutdale (TTD), Portland Troutdale Airport's own instrument, measure by measure, on the field's own clock.
Humidity and dew point
A dew point of 40 F, the air 35% saturated; the humidity ran from 28% at 4 PM to 96% at 12 AM.
- Dew point now
- 40F
- 8 PM
- Humidity now
- 35%
- Humidity, range
- 28 to 96%
How it is measured: Humidity variables, Field Book FB-WAT-002
Wind
16 mph from the east at 8 PM; at its strongest 23 mph, 11 AM, with a gust of 38 mph at 12 PM.
- Now
- 16mph
- from the east
- Strongest
- 23mph
- 11 AM
- Highest gust
- 38mph
- 12 PM
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
Pressure
30.23 inHg at 8 PM, steady over 3 hours; 0.08 inHg lower than a day before.
- Now
- 30.23inHg
- 8 PM
- 3 hours
- +0.00inHg
- steady
- 24 hours
- -0.08inHg
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Visibility
10 miles or more every hour.
- Now
- 10+mi
- Lowest
- 10+mi
- Hours under a mile
- 0
How it is measured: Fog types, Field Book FB-WAT-020
Precipitation
None measured in the gauge in the last 24 hours.
- Last 24 hours
- 0.00in
- Wettest hour
- 0.00in
- 10 AM
- Hours with some
- 5
How it is measured: ASOS, Field Book FB-INS-002
Portland - Troutdale: 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 Troutdale Airport, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.4 miles away.
measured now3 instruments
At an airfield/0.4 mi away/0 ft/39 ft below here
temp, wind, gust, visibility, precip, pressure
I84 WB at Sandy River MP17.5ODT29
Beside a road/0.8 mi away/46 ft/7 ft above here
temp, pavement temp, wind, visibility, precip
Eagle Creek RAWSEGKO3
A remote fire weather station/13.0 mi away/745 ft/706 ft above here
temp, wind, gust, humidity, pressure
measured daily2 instruments
TroutdaleTRTO3
At a cooperative observer's station/0.7 mi away/26 ft/13 ft below here
snowfall, snow depth, precip, high, low
Troutdale 0.6 SSWOR-MT-11
In a volunteer observer's own ground/1.4 mi away/303 ft/264 ft above here
precip, snowfall, snow depth
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 Troutdale Airport
The nearest places, each with its own forecast and the instruments nearest it.
- Troutdalecity, 1 mi
- Wood Villagecity, 2 mi
- Fairviewcity, 2 mi
- Greshamcity, 4 mi
- Orientcommunity, 6 mi
- Maywood Parkcity, 8 mi
- Boringcommunity, 8 mi
- Happy Valleycity, 10 mi
- Damascuscommunity, 10 mi
- Sandycity, 13 mi
- Milwaukiecity, 13 mi
- Johnson Citycity, 13 mi
Airports near Portland Troutdale Airport
- Portland International AirportPDX, 10 mi
- Portland Hillsboro AirportHIO, 27 mi
- Scappoose Industrial AirparkSPB, 27 mi
- Aurora State AirportUAO, 28 mi
- Ken Jernstedt Airfield4S2, 43 mi
- McMinnville Municipal AirportMMV, 43 mi
- Salem-Willamette Valley Airport/McNary FieldSLE, 53 mi
- Columbia Gorge Regional AirportDLS, 60 mi