| | | |
| June 5, 2018 | | Upper Valley Nighthawks at Ocean State Waves | Ppd. |
| June 7, 2018 | W | Upper Valley Nighthawks 10 at North Adams SteepleCats 4 | Final |
| June 8, 2018 | L | Upper Valley Nighthawks 5 at Keene Swamp Bats 10 | Final |
| June 9, 2018 | W | Winnipesaukee Muskrats 1 at Upper Valley Nighthawks 4 | Final |
| June 10, 2018 | W | Mystic Schooners 0 at Upper Valley Nighthawks 8 | Final |
| June 12, 2018 | W | Upper Valley Nighthawks 7 at New Bedford Bay Sox 1 | Final |
| June 13, 2018 | W | Winnipesaukee Muskrats 2 at Upper Valley Nighthawks 8 | Final |
| June 14, 2018 | L | Sanford Mainers 5 at Upper Valley Nighthawks 2 | Final |
| June 16, 2018 | W | Upper Valley Nighthawks 3 at Vermont Mountaineers 1 | Final |
| June 17, 2018 | L | Ocean State Waves 7 at Upper Valley Nighthawks 6 (Game 1) | Final (7) |
| June 17, 2018 | W | Ocean State Waves 1 at Upper Valley Nighthawks 6 (Game 2) | Final (7) |
| June 19, 2018 | W | Upper Valley Nighthawks 4 at Mystic Schooners 1 | Final |
| June 20, 2018 | L | Valley Blue Sox 4 at Upper Valley Nighthawks 3 | Final |
| June 21, 2018 | L | Keene Swamp Bats 7 at Upper Valley Nighthawks 5 | Final (10) |
| June 22, 2018 | L | Upper Valley Nighthawks 3 at Valley Blue Sox 8 | Final |
| June 23, 2018 | W | North Adams SteepleCats 1 at Upper Valley Nighthawks 4 | Final |
| June 24, 2018 | | Newport Gulls at Upper Valley Nighthawks | Ppd. |
| June 26, 2018 | L | Upper Valley Nighthawks 3 at Winnipesaukee Muskrats 5 | Final |
| June 27, 2018 | | Vermont Mountaineers at Upper Valley Nighthawks | Ppd. |
| June 28, 2018 | | Danbury Westerners at Upper Valley Nighthawks | Ppd. |
| June 29, 2018 | L | Upper Valley Nighthawks 4 at Plymouth Pilgrims 7 | Final |
| June 30, 2018 | L | Valley Blue Sox 6 at Upper Valley Nighthawks 4 | Final |
| July 2, 2018 | W | Upper Valley Nighthawks 6 at Newport Gulls 5 | Final |
| July 4, 2018 | W | Upper Valley Nighthawks 7 at Vermont Mountaineers 3 | Final |
| July 5, 2018 | W | Keene Swamp Bats 4 at Upper Valley Nighthawks 12 | Final |
| July 6, 2018 | W | New Bedford Bay Sox 2 at Upper Valley Nighthawks 5 | Final |
| July 7, 2018 | L | Upper Valley Nighthawks 5 at Vermont Mountaineers 9 | Final |
| July 8, 2018 | L | Plymouth Pilgrims 5 at Upper Valley Nighthawks 0 | Final |
| July 10, 2018 | L | Upper Valley Nighthawks 5 at Danbury Westerners 9 (Game 1) | Final (7) |
| July 10, 2018 | W | Upper Valley Nighthawks 4 at Danbury Westerners 1 (Game 2) | Final (7) |
| July 11, 2018 | W | Upper Valley Nighthawks 5 at Keene Swamp Bats 1 | Final |
| July 13, 2018 | W | Upper Valley Nighthawks 5 at Winnipesaukee Muskrats 1 | Final |
| July 14, 2018 | | Sanford Mainers at Upper Valley Nighthawks | Ppd. |
| July 15, 2018 | L | Vermont Mountaineers 10 at Upper Valley Nighthawks 6 (Game 1) | Final (7) |
| July 15, 2018 | L | Vermont Mountaineers 5 at Upper Valley Nighthawks 2 (Game 2) | Final (7) |
| July 16, 2018 | W | Upper Valley Nighthawks 6 at Winnipesaukee Muskrats 5 | Final |
| July 18, 2018 | W | North Adams SteepleCats 4 at Upper Valley Nighthawks 5 | Final |
| July 19, 2018 | L | Upper Valley Nighthawks 1 at Sanford Mainers 2 | Final |
| July 20, 2018 | W | Upper Valley Nighthawks 6 at North Adams SteepleCats 4 | Final |
| July 21, 2018 | W | Sanford Mainers 2 at Upper Valley Nighthawks 5 | Final |
| July 22, 2018 | L | Upper Valley Nighthawks 2 at North Adams SteepleCats 4 | Final |
| July 24, 2018 | W | Upper Valley Nighthawks 5 at Sanford Mainers 2 | Final |
| July 26, 2018 | W | Upper Valley Nighthawks 3 at Keene Swamp Bats 0 | Final |
| July 27, 2018 | | Upper Valley Nighthawks at Valley Blue Sox | Susp. |
| July 28, 2018 | L | Vermont Mountaineers 4 at Upper Valley Nighthawks 2 | Final |
| July 31, 2018 | L | Valley Blue Sox 6 at Upper Valley Nighthawks 5 (Game 1) | Final (10) |
| July 31, 2018 | L | Valley Blue Sox 9 at Upper Valley Nighthawks 3 (Game 2) | Final (7) |
| August 1, 2018 | | Winnipesaukee Muskrats at Upper Valley Nighthawks | Ppd. |
Upper Valley Nighthawks Schedule
