Dumas, Washington
Dumas: Located in Columbia County in southeastern Washington at an elevation of 1407 feet, this small unincorporated community is situated within a predominantly agricultural region characterized by rolling hills.
About
Dumas is a city located in the county of Columbia in the U.S. state of Washington.
Quick Facts about Dumas
| State | Washington (United States) |
| County | Columbia County |
| Latitude & Longitude | 46.2871,-118.0613 |
| Time Zone | America/Los_Angeles |
| Local time | 23:28:32 (15th September 2026) |
| Weather | 47℉ Partly Cloudy 7-days weather |
Geography
Dumas is located at 46°17'13"N 118°3'41"W (46.2870800, -118.0613300).
Dumas map
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Weather
47°F
Partly Cloudy
3 mph SE
Tonight
Partly cloudy. Low around 47, with temperatures rising to around 49 overnight. Southeast wind around 3 mph.
7-Day ForecastNearby Schools and Colleges
Schools and campuses linked to Dumas, WA. Select a name to open its map and contact details.
| Code | Name | City | ZIP |
|---|---|---|---|
| 236887 | Walla Walla Community College | Walla Walla (WA) | 99362-9267 |
Nearby Transit Stations (9)
Rail and bus stations connected to Dumas, WA. Select a station to open its map and address details.
| Code | Name | Address | Type |
|---|---|---|---|
| WWA | Walla Walla, WA | 108 West Main Street | BUS |
| PSC | Pasco Intermodal Train Station | 535 North 1st Avenue | RAIL |
| LWN | Lewiston, Idaho | 1920 Highway 128 | BUS |
| CFX | Colfax, Washington | 610 South Main St. | BUS |
| PUL | Pullman, Washington | 1002 Northwest Nye St. | BUS |
Closest post offices linked to Dumas.
| Post Office Name | City | ZIP |
|---|---|---|
| Dayton Post Office | Dayton (WA) | 99328 |
Other places with the same name (2)
- Dumas, Texas city in Texas, USA. with a population of 13,612 people.
- Dumas, Arkansas city in Arkansas, USA. with a population of 3,959 people.