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Astoria Regional Airport, Oregon

Medium airport in Clatsop County, Oregon

Air quality

The air at Astoria Regional Airport

Index 24, good, led by fine particles. Read at 9 AM from its reporting area, Raymond (WA), 37 miles off.

24Good
  • Fine particles (PM2.5)24Good-

The days ahead

Good each day through Mon Oct 19, led by fine particles. Yesterday measured 17, good.

Smoke, the next 45 hours

Little smoke near the ground through Sun 5 AM: the index from smoke stays at 11 or under.

FriSatSun

Precipitation

What has fallen at Astoria Regional Airport

None in the last 3 days, to Fri 8 AM. 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 Astoria Regional Airport, the next 45 hours

Dense fog: visibility falls to 0 miles Fri 3 PM, under a mile for 9 hours.

FriSatSun

Airfield

Code
AST
ICAO
KAST
IATA
AST
Field elevation
15 ft
Serves
Astoria
Kind
Medium airport
Scheduled service
No
Its own instrument
AST
Wind now
From 130° at 3 mph, read 16 Oct, 08:55

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
08 / 265,794 ft100 ftAsphalt95° / 275°2 mph head, on 082 mph from the right
14 / 324,467 ft100 ftAsphalt156° / 336°3 mph head, on 141 mph from the left
082614322,000 ftN130° 3 mph
Runways from their surveyed ends, north up, lengths and positions to scale; the rose in the corner is the wind now.

Measured here

What the airfield's own instrument measured, the last 24 hours

Every hour from Astoria/Clatsop (AST), Astoria Regional Airport's own instrument, measure by measure, on the field's own clock.

Temperature

53 F at 3 AM; 77 F at its warmest, 3 PM Thursday, and 51 F at its coolest, 5 AM Thursday.

Now
53F
3 AM
Highest
77F
3 PM Thursday
Lowest
51F
5 AM Thursday
Temperature and Dew point at Astoria/Clatsop, temperature from 51.0 to 77.0, the latest 53.0; dew point from 44.0 to 55.0, the latest 44.0, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF40506070806 AM9 AM12 PM3 PM6 PM9 PMOct 163 AMTEMPERATUREDEW POINT

How it is measured: Stevenson screen and siting, Field Book FB-INS-009

Humidity and dew point

A dew point of 44 F, the air 71% saturated; the humidity ran from 40% at 4 PM Thursday to 96% at 5 AM Thursday.

Dew point now
44F
3 AM
Humidity now
71%
Humidity, range
40 to 96%
Relative humidity at Astoria/Clatsop, relative humidity from 40 to 96, the latest 71, in per cent.RELATIVE HUMIDITY%4060801006 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM

How it is measured: Humidity variables, Field Book FB-WAT-002

Wind

3 mph from the southeast at 4 AM; at its strongest 12 mph, 12 PM Thursday, with a gust of 24 mph at 12 PM Thursday.

Now
3mph
from the southeast
Strongest
12mph
12 PM Thursday
Highest gust
24mph
12 PM Thursday
Wind and Gust at Astoria/Clatsop, wind from 1 to 12, the latest 3; gust from 21 to 24, the latest 21, in miles an hour.WIND AND GUSTmph01020306 AM9 AM12 PM3 PM6 PM9 PMOct 163 AMWINDGUST
Wind direction at Astoria/Clatsop, wind direction from 40 to 130, the latest 130, in degrees.WIND DIRECTION°0901802703606 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM

How it is measured: Coriolis as geometry, Field Book FB-ENG-008

Pressure

30.15 inHg at 4 AM, falling 0.02 inHg over 3 hours; 0.13 inHg lower than a day before.

Now
30.15inHg
4 AM
3 hours
-0.02inHg
falling
24 hours
-0.13inHg
Pressure, altimeter at Astoria/Clatsop, pressure, altimeter from 30.15 to 30.28, the latest 30.15, in inches of mercury.PRESSURE, ALTIMETERinHg30.1030.1530.2030.2530.306 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM

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
Visibility at Astoria/Clatsop, visibility from 10.0 to 10.0, the latest 10.0, in miles.VISIBILITYmi02.557.5106 AM9 AM12 PM3 PM6 PM9 PMOct 163 AMLIFRIFRMVFRVFR

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
-
Hours with some
0

How it is measured: ASOS, Field Book FB-INS-002

Astoria/Clatsop: 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 Astoria Regional 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

Astoria/ClatsopAST

At an airfield/0.2 mi away/23 ft/8 ft above here

temp, wind, gust, visibility, precip, pressure

Clatsop Spit Wind3CLO3

At a river or reservoir gauge/7.9 mi away/15 ft/level with here

temp, wind, gust, humidity, pressure

measured daily2 instruments

Warrenton 1.3 SSEOR-CT-34

In a volunteer observer's own ground/1.5 mi away/45 ft/30 ft above here

precip, snowfall, snow depth

SeasideSSDO3

At a cooperative observer's station/12.0 mi away/13 ft/2 ft below here

snowfall, snow depth, precip, high, low

-

Snow on the ground

Elsewhere in Oregon

25 places, each with its own forecast and its own instruments.

Near Astoria Regional Airport

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

Near Astoria Regional Airport