DEMOCRATIC
US House of Representatives (D-NH)
2019 – Present
2026 New Hampshire Senate Forecast
2026 Senate
Republican
REPUBLICAN
US Senate (R-NH)
2003 – 2009
2026 New Hampshire Senate Forecast
- Year
- 2026
- Race
- Senate
- State
- New Hampshire
- Democratic candidate
- Chris Pappas
- Republican candidate
- John Sununu
- Incumbent / open seat
- Open Seat
- Forecast rating
- Likely D
- Projected vote
- 53.0% D / 47.1% R
- Projected margin
- D +5.9
- Forecast odds
- 81.3% D / 18.7% R
- Forecast last updated
- 12:00 AM on June 20, 2026
- Polling average
- 47.3% D / 41.9% R
- Polling average margin
- D +5.4
- Polling last updated
- 12:00 AM on June 20, 2026
- Polls included
- 12
- Latest poll
- University of New Hampshire — April 21, 2026