Temperature
38 F at 6 AM; 68 F at its warmest, 4 PM Thursday, and 38 F at its coolest, 6 AM.
- Now
- 38F
- 6 AM
- Highest
- 68F
- 4 PM Thursday
- Lowest
- 38F
- 6 AM
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Airports/Washington/McChord Air Force Base
McChord Air Force Base, Washington
Medium airport in Pierce County, Washington40°
74°/44°
Clear·
Feels like 40°·Calm 0 mph S
Coming up. Rain is likely late tonight, from about 4 AM (60%).
Now. McChord Air Force Base is 40° and clear at 7 AM. The dew point is 37°, so the air feels dry and comfortable. The air is calm.
Today and tonight. It warms to about 72° by 3 PM. Tonight falls to about 54° by 1 AM, with some cloud. Air quality is moderate (index 68): fine for most people, though people unusually sensitive to air pollution may feel it outdoors.
The week. The warmest day ahead is tomorrow, near 65°, and the coolest Monday, near 60°. Rain is likely tomorrow (66%). Frost is possible Monday morning, a low of 36°.
The sky tonight. The sun sets at 6:21 PM. The Moon is a waxing crescent, 34% lit, and sets at 9:58 PM. The next full Moon is Sunday, Oct 25. After dark, look for Saturn, bright in the east-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 day is 10 hours 53 minutes long, 4 minutes shorter than yesterday.
0UV Low
68Air quality
95%Humidity
5%Cloud
Now
7:00 AM
40feels40
now, clear
Today
Oct 16
7444
partly cloudy day
Sat
Oct 17
6550
66%
13mph
Sun
Oct 18
6138
partly cloudy day
Mon
Oct 19
6036
partly cloudy day
Tue
Oct 20
6136
mostly clear day
Wed
Oct 21
6335
mostly clear day
Thu
Oct 22
6037
21%
40°
74°44°
65°50°
61°38°
60°36°
61°36°
63°35°
60°37°
As of 7:00 AM in McChord Air Force Base, Washington.
Air quality
The air at McChord Air Force Base
Index 68, moderate, led by fine particles. Read at 6 AM from its reporting area, Tacoma-Puyallup (WA), 3 miles off.
68Moderate
- Fine particles (PM2.5)68Moderate3.5 mi
- Ozone-0 ppb17.8 mi
- Nitrogen dioxide9Good10.3 ppb6 mi
The days ahead
Good each day through Sat Oct 17, led by fine particles. Yesterday measured 48, good.
GoodModerate
- 48YesterdayOct 15
- 33TodayOct 16
- 33SatOct 17
Smoke, the next 41 hours
Little smoke near the ground through Sat 11 PM: the index from smoke stays at 22 or under.
Precipitation
What has fallen at McChord Air Force Base
None in the last 3 days, to Fri 6 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 McChord Air Force Base, the next 41 hours
Mist or haze: visibility falls to 2 miles Sat 4 AM.
F
Now, today, and the week
Weather instrument stations by state
Airfield
- Code
- TCM
- ICAO
- KTCM
- IATA
- TCM
- Field elevation
- 322 ft
- Serves
- Tacoma
- Kind
- Medium airport
- Scheduled service
- No
- Its own instrument
- TCM
- Wind now
- Calm, read 16 Oct, 06:55
Runways
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 16 / 34 | 10,108 ft | 150 ft | Asphalt | 179° / 359° | Calm | Calm |
| 160 / 340 unlit | 3,000 ft | 60 ft | Asphalt | - | - | - |
Measured here
What the airfield's own instrument measured, the last 24 hours
Every hour from Mc Chord AFB/Tacoma (TCM), McChord Air Force Base's own instrument, measure by measure, on the field's own clock.
Humidity and dew point
A dew point of 37 F, the air 95% saturated; the humidity ran from 59% at 4 PM Thursday to 100% at 8 AM Thursday.
- Dew point now
- 37F
- 6 AM
- Humidity now
- 95%
- Humidity, range
- 59 to 100%
How it is measured: Humidity variables, Field Book FB-WAT-002
Wind
Calm at 6 AM; at its strongest 7 mph, 1 PM Thursday, and no gust reported.
- Now
- 0mph
- calm
- Strongest
- 7mph
- 1 PM Thursday
- Highest gust
- -
- none reported
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
Pressure
30.19 inHg at 6 AM, steady over 3 hours; 0.20 inHg lower than a day before.
- Now
- 30.19inHg
- 6 AM
- 3 hours
- -0.02inHg
- steady
- 24 hours
- -0.20inHg
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Visibility
Down to 0.5 miles at 1 AM, under a mile for 5 hours; 7 miles now.
- Now
- 7mi
- Lowest
- 0.5mi
- 1 AM
- Hours under a mile
- 5
How it is measured: Fog types, Field Book FB-WAT-020
Cloud base
The lowest cloud base came down to 200 ft at 8 AM Thursday; a base was reported in 5 of the hours.
- Lowest base now
- -
- Lowest in 24 hours
- 200ft
- 8 AM Thursday
- Hours with a base reported
- 5
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
Mc Chord AFB/Tacoma: 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 McChord Air Force Base, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.0 miles away.
measured now3 instruments
At an airfield/0.0 mi away/322 ft/level with here
temp, wind, gust, visibility, precip, pressure
Puyallup River Bridge at I-5TPUYR
Beside a road/5.8 mi away/384 ft/62 ft above here
temp, pavement temp, wind, visibility, precip
South Prairie Creek 0 AT S Prairie Ck at South PrairieSPEW1
At a river or reservoir gauge/18.5 mi away/535 ft/213 ft above here
temp, wind, gust, humidity, pressure
measured daily2 instruments
Parkland 0.9 NEWA-PR-3
In a volunteer observer's own ground/2.9 mi away/387 ft/65 ft above here
precip, snowfall, snow depth
Tacoma No. 1TACW1
At a cooperative observer's station/8.1 mi away/6 ft/316 ft below here
snowfall, snow depth, precip, high, low
What the snow tracker reads here
Every instrument in this state
-
Snow on the ground
Elsewhere in Washington
23 places, each with its own forecast and its own instruments.
BellinghamcityBluewoodski areaCrystal Mountainsurveyed ski areaEverettcityLeavenworthcityLoup Loupski areaMount RainierfeatureMt. Bakersurveyed ski areaNorth Cascades National ParkfeatureOlympiacityOlympic MountainsfeaturePuget SoundfeatureSeattlecitySnoqualmie PassfeatureSpokanecityStevens PassfeatureStevens Passsurveyed ski areaTacomacityThe Summit at Snoqualmiesurveyed ski areaWenatcheecityWhite Passski areaWinthroptownYakimacity
Near McChord Air Force Base
The nearest places, each with its own forecast and the instruments nearest it.
- Parklandcommunity, 2 mi
- McChord AFBcommunity, 2 mi
- Lakewoodcity, 3 mi
- Midlandcommunity, 4 mi
- Spanawaycommunity, 4 mi
- Clover Creekcommunity, 4 mi
- North Fort Lewiscommunity, 5 mi
- Steilacoomtown, 6 mi
- Summitcommunity, 6 mi
- Summit Viewcommunity, 6 mi
- Fort Lewiscommunity, 6 mi
- University Placecity, 6 mi
Airports near McChord Air Force Base
- Gray Army Air FieldGRF, 6 mi
- Pierce County-Thun FieldPLU, 9 mi
- Tacoma Narrows AirportTIW, 10 mi
- Seattle-Tacoma International AirportSEA, 23 mi
- Olympia Regional AirportOLM, 23 mi
- Renton Municipal AirportRNT, 27 mi
- Bremerton National AirportPWT, 28 mi
- King County International Airport - Boeing FieldBFI, 28 mi