Storm Station
Sign in

Juneau International Airport, Alaska

Medium airport in Juneau City and Borough, Alaska

Airfield

Code
JNU
ICAO
PAJN
IATA
JNU
Field elevation
21 ft
Serves
Juneau
Kind
Medium airport
Scheduled service
Yes
Its own instrument
PAJN
Wind now
From 110° at 17 mph, read 15 Oct, 17:53

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
08 / 268,857 ft150 ftAsphalt105° / 285°17 mph head, on 081 mph from the right
08W / 26W unlit4,800 ft150 ftWater---
08262,500 ftN110° 17 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 Juneau INTL Airport (ASOS) (PAJN), Juneau International Airport's own instrument, measure by measure, on the field's own clock.

Temperature

52 F at 5 PM; 53 F at its warmest, 12 PM, and 41 F at its coolest, 8 PM Wednesday.

Now
52F
5 PM
Highest
53F
12 PM
Lowest
41F
8 PM Wednesday
Temperature and Dew point at Juneau INTL Airport (ASOS), temperature from 41.0 to 53.0, the latest 52.0; dew point from 39.0 to 51.0, the latest 51.0, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF35404550559 PMOct 153 AM6 AM9 AM12 PM3 PM6 PMTEMPERATUREDEW POINT

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

Humidity and dew point

A dew point of 51 F, the air 96% saturated; the humidity ran from 74% at 1 AM to 96% at 5 PM.

Dew point now
51F
5 PM
Humidity now
96%
Humidity, range
74 to 96%
Relative humidity at Juneau INTL Airport (ASOS), relative humidity from 74 to 96, the latest 96, in per cent.RELATIVE HUMIDITY%7080901009 PMOct 153 AM6 AM9 AM12 PM3 PM6 PM

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

Wind

17 mph from the east southeast at 6 PM; at its strongest 22 mph, 1 PM, with a gust of 36 mph at 12 PM.

Now
17mph
from the east southeast
Strongest
22mph
1 PM
Highest gust
36mph
12 PM
Wind and Gust at Juneau INTL Airport (ASOS), wind from 1 to 22, the latest 17; gust from 21 to 36, the latest 28, in miles an hour.WIND AND GUSTmph0102030409 PMOct 153 AM6 AM9 AM12 PM3 PM6 PMWINDGUST
Wind direction at Juneau INTL Airport (ASOS), wind direction from 80 to 260, the latest 110, in degrees.WIND DIRECTION°0901802703609 PMOct 153 AM6 AM9 AM12 PM3 PM6 PM

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

Pressure

29.67 inHg at 6 PM, falling 0.06 inHg over 3 hours; 0.50 inHg lower than a day before.

Now
29.67inHg
6 PM
3 hours
-0.06inHg
falling
24 hours
-0.50inHg
Pressure, altimeter at Juneau INTL Airport (ASOS), pressure, altimeter from 29.67 to 30.17, the latest 29.67, in inches of mercury.PRESSURE, ALTIMETERinHg29.6029.8030.0030.209 PMOct 153 AM6 AM9 AM12 PM3 PM6 PM

How it is measured: Hydrostatic balance, Field Book FB-ENG-003

Visibility

Down to 3 miles at 3 PM; 6 miles now.

Now
6mi
Lowest
3mi
3 PM
Hours under a mile
0
Visibility at Juneau INTL Airport (ASOS), visibility from 3.0 to 10.0, the latest 6.0, in miles.VISIBILITYmi02.557.5109 PMOct 153 AM6 AM9 AM12 PM3 PM6 PMLIFRIFRMVFRVFR

How it is measured: Fog types, Field Book FB-WAT-020

Cloud base

The lowest cloud base came down to 400 ft at 12 AM; a base was reported in 24 of the hours.

Lowest base now
1,300ft
Lowest in 24 hours
400ft
12 AM
Hours with a base reported
24
Lowest cloud base at Juneau INTL Airport (ASOS), lowest cloud base from 400 to 12,000, the latest 1,300, in feet.LOWEST CLOUD BASEft05,00010,00015,0009 PMOct 153 AM6 AM9 AM12 PM3 PM6 PMMVFRVFR

How it is measured: Cloud classification, Field Book FB-SKY-001

Precipitation

0.59 in measured in the gauge, the most, 0.10 in, in the hour to 3 AM.

Last 24 hours
0.59in
Wettest hour
0.10in
3 AM
Hours with some
18
Precipitation at Juneau INTL Airport (ASOS), precipitation from 0.00 to 0.10, the latest 0.01, in inches.PRECIPITATIONin0.000.030.050.070.109 PMOct 153 AM6 AM9 AM12 PM3 PM6 PM

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

Juneau INTL Airport (ASOS): 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 Juneau International Airport, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.1 miles away.

measured now3 instruments

Juneau - Runway CenterJRCA2

At a river or reservoir gauge/0.1 mi away/30 ft/9 ft above here

temp, wind, gust, humidity, pressure

measured daily2 instruments

Juneau AirportJNU

At an airfield/0.7 mi away/19 ft/2 ft below here

snowfall, snow depth, precip, high, low

Juneau 5.6 NWAK-JB-11

In a volunteer observer's own ground/1.6 mi away/58 ft/37 ft above here

precip, snowfall, snow depth

-

Snow on the ground

Elsewhere in Alaska

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

Near Juneau International Airport

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

Near Juneau International Airport