Opinion polling for the United States gubernatorial elections, 2008 Washington Washington

| Source_ | Dates_administered | Democrat_Christine_Gregoire | Republican_Dino_Rossi | Lead_Margin |
|---|---|---|---|---|
| Elway Poll | July 27–31, 2008 | 52% | 36% | 16 |
| Strategic Vision | July 25–27, 2008 | 47% | 45% | 2 |
| Survey USA | July 13–15, 2008 | 49% | 46% | 3 |
| Moore Information | July 9–10, 2008 | 45% | 45% | 0 |
| Rasmussen Reports | July 9, 2008 | 52% | 44% | 6 |
| Elway Poll | June 18–22, 2008 | 47% | 39% | 8 |
| Rasmussen Reports | June 9, 2008 | 50% | 43% | 7 |
| SurveyUSA | June 7–9, 2008 | 50% | 47% | 3 |
| Rasmussen Reports | May 12, 2008 | 52% | 41% | 11 |
| SurveyUSA | April 7, 2008 | 48% | 47% | 1 |
| Rasmussen Reports | April 2, 2008 | 47% | 46% | 1 |
| Rasmussen Reports | February 28, 2008 | 46% | 47% | 1 |
| University of Washington | February 7–18, 2008 | 53.7% | 42.1% | 11.6 |