Temperature
46 F at 12 AM; 69 F at its warmest, 3 PM Thursday, and 41 F at its coolest, 6 AM Thursday.
- Now
- 46F
- 12 AM
- Highest
- 69F
- 3 PM Thursday
- Lowest
- 41F
- 6 AM Thursday
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Airports/Washington/Grand Coulee Dam Airport
Grand Coulee Dam Airport, Washington
Small airport in Grant County, Washington47°
71°/42°
Clear·
Feels like 47°·Light air 1 mph ENE
Now. Grand Coulee Dam Airport is 47° and clear at 12 AM. The dew point is 43°, so the air feels dry and comfortable. Light air from the east-northeast at 1 mph.
Today and tonight. It warms to about 70° by 3 PM. Tonight falls to about 46° by 5 AM, under a mostly clear sky. No rain is expected for the rest of the day.
The week. The warmest day ahead is tomorrow, near 67°, and the coolest Monday, near 61°. The days ahead look dry.
The sky tonight. The sun sets at 6:06 PM. The Moon is a waxing crescent, 34% lit, and sets at 9:40 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 sky is forecast to stay clear: a good night to look up. The day is 10 hours 50 minutes long, 3 minutes shorter than yesterday.
0UV Low
44Air quality
87%Humidity
1%Cloud
Now
12:00 AM
47feels47
now, clear
Today
Oct 16
7142
mostly clear day
Sat
Oct 17
6745
16mph
Sun
Oct 18
6238
mostly clear day
Mon
Oct 19
6142
partly cloudy day
Tue
Oct 20
6342
mostly clear day
Wed
Oct 21
6340
clear day
Thu
Oct 22
6141
mostly clear day
47°
71°42°
67°45°
62°38°
61°42°
63°42°
63°40°
61°41°
As of 12:00 AM in Grand Coulee Dam Airport, Washington.
Air quality
The air at Grand Coulee Dam Airport
Index 44, good, led by fine particles. Read at 11 PM from its reporting area, Omak (WA), 39 miles off.
44Good
- Fine particles (PM2.5)44Good-
Smoke, the next 42 hours
Little smoke near the ground through Sat 5 PM: the index from smoke stays at 17 or under.
Precipitation
What has fallen at Grand Coulee Dam Airport
None in the last 3 days, to Thu 11 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 Grand Coulee Dam Airport, the next 42 hours
Visibility stays 10 miles or more through Sat 5 PM.
F
Now, today, and the week
Weather instrument stations by state
Airfield
- Code
- 3W7
- ICAO
- -
- IATA
- GCD
- Field elevation
- 1,588 ft
- Serves
- Electric City
- Kind
- Small airport
- Scheduled service
- No
- Its own instrument
- 3W7
- Wind now
- Calm, read 15 Oct, 23:55
Runways
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 03 / 21 | 4,199 ft | 75 ft | Asphalt | 52° / 232° | Calm | Calm |
Measured here
What the airfield's own instrument measured, the last 24 hours
Every hour from Electric City (3W7), Grand Coulee Dam Airport's own instrument, measure by measure, on the field's own clock.
Humidity and dew point
A dew point of 43 F, the air 87% saturated; the humidity ran from 36% at 3 PM Thursday to 100% at 6 AM Thursday.
- Dew point now
- 43F
- 12 AM
- Humidity now
- 87%
- Humidity, range
- 36 to 100%
How it is measured: Humidity variables, Field Book FB-WAT-002
Wind
Calm at 12 AM; at its strongest 10 mph, 10 AM Thursday, with a gust of 14 mph at 11 AM Thursday.
- Now
- 0mph
- calm
- Strongest
- 10mph
- 10 AM Thursday
- Highest gust
- 14mph
- 11 AM Thursday
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
Pressure
30.44 inHg at 12 AM, steady over 3 hours; 0.01 inHg higher than a day before.
- Now
- 30.44inHg
- 12 AM
- 3 hours
- -0.02inHg
- steady
- 24 hours
- +0.01inHg
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Visibility
Down to 3 miles at 7 PM Thursday; 10 miles or more now.
- Now
- 10+mi
- Lowest
- 3mi
- 7 PM Thursday
- 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
- -
- Hours with some
- 0
How it is measured: ASOS, Field Book FB-INS-002
Electric City: every reading, the last 7 days, 30 days and the year, and how well it reports
What is measuring near here
The 4 instruments nearest Grand Coulee Dam Airport, 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 now2 instruments
At an airfield/0.0 mi away/1,608 ft/20 ft above here
temp, wind, gust, visibility, precip, pressure
Spring CanyonSPCW1
At a river or reservoir gauge/6.8 mi away/1,396 ft/192 ft below here
temp, wind, gust, humidity, pressure
measured daily2 instruments
Coulee Dam 1 SWGCXW1
At a cooperative observer's station/4.1 mi away/1,749 ft/161 ft above here
snowfall, snow depth, precip, high, low
Coulee Dam 0.6 SWWA-OK-9
In a volunteer observer's own ground/5.4 mi away/1,053 ft/535 ft below here
precip, snowfall, snow depth
What the snow tracker reads here
Every instrument in this state
0in
Snow on the ground
Measured at Coulee Dam 1 SW (GCXW1), 4.1 miles from here, read 15 Oct, 17:00. measured daily
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 Grand Coulee Dam Airport
The nearest places, each with its own forecast and the instruments nearest it.
- Electric Citycity, 2 mi
- Grand Couleecity, 4 mi
- Coulee Damtown, 6 mi
- Elmer Citytown, 8 mi
- Almiratown, 16 mi
- Hartlinetown, 16 mi
- Nespelem Communitycommunity, 17 mi
- Nespelemtown, 18 mi
- Wilburtown, 21 mi
- Kellercommunity, 22 mi
- Banks Lake Southcommunity, 22 mi
- Coulee Citytown, 23 mi
Airports near Grand Coulee Dam Airport
- Omak AirportOMK, 42 mi
- Davenport Municipal Airport68S, 46 mi
- Ephrata Municipal AirportEPH, 47 mi
- Grant County International AirportMWH, 51 mi
- Methow Valley State AirportS52, 60 mi
- Pangborn Memorial AirportEAT, 64 mi
- Fairchild Air Force BaseSKA, 70 mi
- Colville Municipal Airport63S, 70 mi