Details | Map (may be slow)
| S p o n s o r e d ? | Chart | Preview | Light Pollution | Comments/Links | |
|---|---|---|---|---|---|
| Aladdin Valley |  | In the Colville National Forest. | |||
| Auburn |  | ||||
| Battle Ground |  | ||||
| Bear Creek Observatory |  | A private observatory in Woodinville. (Not to be confused with nearby Littlebear Observatory.) | |||
| Bellingham |  | Home of the Whatcom Association of Celestial Observers. | |||
| Bickleton |  | A town in Klickitat county. | |||
| Big Bend Community College |  | college in Moses Lake. | |||
| Blue Mountain |  | An observing site used by the Seattle Astronomical Society. Near Spada Reservoir NE of Sultan. | |||
| Bothell |  | ||||
| Buckley |  | Home of Torus Observatory (IAU 653). Forecast also covers Enumclaw and Bonney lake. | |||
 | Camas Meadows Lodge |  | A lodge in the Camas Land south-west of Cashmere. | ||
| Centralia |  | ||||
| Colville Flats |  | A spot on the shore of Franklin Roosevelt Lake near Kettle Falls. | |||
| Conconully |  | ||||
| Deer Park |  | ||||
| Eatonville Observatory |  | A private observatory near Eatonville. | |||
| Everett |  | Home of the Everett Astronomical Society. | |||
| Fishtrap |  | A site used by the Spokane Astronomical Society. | |||
| Friday Harbor |  | ||||
| Gold Mountain Observing Center |  | AKA GOMOC. A privately owed for public observing. | |||
| Goldendale Observatory |  | Observatory near Goldendale. | |||
| Graham |  | Used as an observing site by the Tacoma Astronomical Society. | |||
| Grayland |  | ||||
| Highlands Astro-shack |  | A private observatory somewhere around Renton. | |||
| Horse Heaven Observatory |  | AKA H2O Observatory. A private observatory near The Horse Heaven Hills. | |||
| Hurricane Ridge Visitor Center |  | Visitor center in Olympic Nationa Park. | |||
| Indian Prairie Observatory |  | A private observatory somewhere west of Spokane. | |||
| Kalama |  | ||||
| Keechelus Lake |  | A point on the north-west shore of Keechelus Lake. Near the east side of Snoqualmie Pass. | |||
| Kennewick-Pasco-Richland |  | Covering the Tri-Cities area 15 miles around Kennewick. | |||
| Klickitat County Star Party |  | Star party.Also site of other observing events including the NWRAL Annual Star Party. | |||
| LIGO Hanford Observatory |  | A gavitational-wave observatory not normally subject to the vagaries of weather. Near Richland. | |||
| Lake Lawrence |  | Near Yelm. | |||
| Lake Wenatchee |  | Covers the shores of the lake, including Lake Wenatchee State Park. | |||
| Lind Observatory |  | A private observatory somewhere around Lind. | |||
| Littlebear Observatory |  | A private observatory near Redmond. (Not to be confused with Bear Creek Observatory, nearby.) | |||
| Long Beach |  | ||||
| Manastash Ridge Observatory |  | An observatory of the University of Washington. | |||
| Maple Valley Observatory |  | A private observatory in Maple Valley. | |||
| Marysville Observatory |  | A private observatory near Marysville. | |||
| Merk Observatory |  | A private observatory 11km SE of Moses Lake. | |||
| Mount Saint Helens |  | ||||
| Mount Vernon |  | ||||
| New Astronomy Observatory |  | A private observatory near Duvall. | |||
| Nike Site Park |  | Favored observing site for young observers from The Harbor School on Vashon Island WA. and members of the Boeing Employees' Astronomical Society | |||
| Oak Harbor |  | ||||
| Observatory Point |  | A point near Striped Peak and Freshwater Bay, on the Strait of Juan De Fuca. | |||
| Observe the Heavens Astronomy Camp |  | A site of an observing program of The Astronomical League. Near Inchelium | |||
| Olympia |  | ||||
| Port Townsend |  | ||||
| Poulsbo Deep Space Observatory |  | A private obesrvatory somewhere around Poulsbo. | |||
| Rattlesnake Lake |  | An observing site of the Seattle Astronomical Society. Near Cedar Falls. | |||
| Rimrock Meadows |  | A | |||
| Ritchie Observatory |  | An observatory of the Battle Point Astronomical Association. On Bainbridge Island. | ||
| Robert and Elisabeth Moore Observatory |  | Aka REMO. Observatory at Columbia Basin College. | |||
| Seabeck |  | ||||
| Seattle |  | Home of the Seattle Astronomical Society and the Boeing Employees' Astronomical Society (BEAS). | |||
| Sequim |  | ||||
| Shangri-La Observatory |  | A private observatory near Lyle. | |||
| Skywalker Observatory |  | A private observatory somewhere around Roosevelt Lake. | |||
| Snoqualmie |  | ||||
| Southwest Corner Mountain |  | A private observing site somewhere around Brewster. | |||
| Spokane |  | Home of the Spokane Astronomical Society. | |||
| Stargazer Observatory |  | Future site of a private observatory on Camano Island. | |||
| Starr Butte |  | A site used by the Spokane Astronomical Society. | |||
| Steilacoom |  | A site on the grounds of Fort Steilacoom. Used by the Tacoma Astronomical Society. | |||
| Stevenson |  | ||||
| Suiattle Valley |  | Two observing sites in the Suiattle Valley. A few miles north east of Mansford. | |||
| Sunrise Point |  | An observing site used by the Tacoma Astronomical Society. In Mount Rainier National Park. | |||
| Table Mountain |  | Home of the Table Mountain Star Party. Near Ellensburg. | |||
| Tanaeum Ridge and Peoh Point |  | Peoh Point is home of the Boeing Employees Astronomical Society star party. Near Cle Elum. | |||
| The Jewett Observatory |  | Observatory of Washington State University. With public events cosponsored by the Palouse Astronomical Society. Near Pullman. Forecast also covers Moscow, Idaho. | |||
| Thorn Garden Observatory |  | A private observatory near Port Angeles. | |||
| Tinyblue Observatory |  | A private observatory near Greenbank on Whidbey Island. | |||
| Ursae Majoris Observatory |  | A private observatory near Auburn | |||
| Walla Walla |  | Home of Whitman College and not far from Whitman College's Bracher Observatory. | |||
| Wenatchee |  | Close to an observing site of the Camassia Group. | |||
| White Salmon |  | ||||
| Wild Rose Ridge Observatory |  | A private observatory somewhere in the area of Cashmere. | |||
| Winlock |  | ||||
| Winthrop |  | ||||
| Yakima |  | Home of the Yakima Astronomical Society. |