Temperature
52 F at 8 PM; 68 F at its warmest, 3 PM, and 45 F at its coolest, 7 AM.
- Now
- 52F
- 8 PM
- Highest
- 68F
- 3 PM
- Lowest
- 45F
- 7 AM
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Airports/Washington/Arlington Municipal Airport
Coming up. Rain is likely Saturday night, from about 12 AM, the chance peaking at 91% around 6 AM.
Now. Arlington Municipal Airport is 51° and clear at 9 PM. The dew point is 50°, so the air feels dry and comfortable. Light air from the northwest at 4 mph.
Today and tonight. Tonight falls to about 47° by 7 AM, under a mostly clear sky.
The week. The warmest day ahead is tomorrow, near 74°, and the coolest Sunday, near 58°. Rain is likely tomorrow (68%) and Saturday (91%). Frost is possible Wednesday morning, a low of 36°.
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 53 minutes long, 3 minutes shorter than yesterday.
As of 9:00 PM in Arlington Municipal Airport, Washington.
Air quality
Index 36, good, led by fine particles. Read at 9 PM from its reporting area, Everett-Marysville-Lynnwood (WA), 7 miles off.
Good each day through Sat Oct 17, led by fine particles. Yesterday measured 25, good.
Little smoke near the ground through Sat 5 PM: the index from smoke stays at 11 or under.
Precipitation
None in the last 24 hours; 0.02 in over the last 3 days, to Thu 8 PM. Measured by radar and rain gauges, as water.
Visibility
Visibility stays 7 miles or more through Sat 5 PM, lowest 8 miles Sat 6 AM.
F
Now, today, and the week
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 11 / 29 | 3,498 ft | 75 ft | Asphalt | 126° / 306° | 3 mph head, on 29 | None |
| 16 / 34 | 5,332 ft | 100 ft | Asphalt | 177° / 357° | 2 mph head, on 34 | 3 mph from the left |
Measured here
Every hour from Arlington Muni (AWO), Arlington Municipal Airport's own instrument, measure by measure, on the field's own clock.
52 F at 8 PM; 68 F at its warmest, 3 PM, and 45 F at its coolest, 7 AM.
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
A dew point of 49 F, the air 89% saturated; the humidity ran from 52% at 2 PM to 100% at 10 PM Wednesday.
How it is measured: Humidity variables, Field Book FB-WAT-002
Calm at 8 PM; at its strongest 6 mph, 5 PM, and no gust reported.
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
30.28 inHg at 8 PM, steady over 3 hours; 0.11 inHg lower than a day before.
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Down to 0.1 miles at 1 AM, under a mile for 13 hours; 10 miles or more now.
How it is measured: Fog types, Field Book FB-WAT-020
The lowest cloud base came down to 100 ft at 12 AM; a base was reported in 14 of the hours.
How it is measured: Cloud classification, Field Book FB-SKY-001
None measured in the gauge in the last 24 hours.
How it is measured: ASOS, Field Book FB-INS-002
Arlington Muni: every reading, the last 7 days, 30 days and the year, and how well it reports
The 5 instruments nearest Arlington Municipal 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
At an airfield/0.1 mi away/138 ft/4 ft below here
temp, wind, gust, visibility, precip, pressure
Stilliguamish RiverTSTIL
Beside a road/3.9 mi away/125 ft/17 ft below here
temp, pavement temp, wind, visibility, precip
S Fk Stillaguamish R @ Jordan BrSSFW1
At a river or reservoir gauge/9.6 mi away/220 ft/78 ft above here
temp, wind, gust, humidity, pressure
measured daily2 instruments
Arlington 2.1 SWWA-SN-70
In a volunteer observer's own ground/0.8 mi away/128 ft/14 ft below here
precip, snowfall, snow depth
EverettEVEW1
At a cooperative observer's station/12.9 mi away/52 ft/90 ft below here
snowfall, snow depth, precip, high, low
-
Snow on the ground
23 places, each with its own forecast and its own instruments.
The nearest places, each with its own forecast and the instruments nearest it.