| Town or City | Date | More info | |
| Alton Bay, NH Old Home Day Fireworks | Saturday, August 14, 2021 Rain date: August 15, 2021 | More information | |
| Amherst, NH Fireworks | No fireworks for 2021 | More information | |
| Amherst, NH Fourth of July (Reverse) Parade | Sunday, July 4, 2021 | More information | |
| Andover, NH Independence Day Celebration and Fireworks | Sunday, July 4, 2021 | More information | |
| Ashland, NH Independence Day Fireworks | Saturday, July 3, 2021 (Rain date: Monday, July 5, 2021) | More information | |
| Ashland, NH Firecracker 5k | Sunday, July 4, 2021 | More information | |
| Bradford, NH 5k, Parade and Fireworks | Saturday, July 3, 2021 | More information | |
| Bretton Woods, NH Fourth of July Weekend | Fireworks on Sunday, July 4, 2021 | More information | |
| Brentwood, NH Fourth of July Parade | Sunday, July 4, 2021 | More information | |
| Bristol, NH Fourth of July Fireworks | Saturday, July 3, 2021 | More information | |
| Bristol, NH Fourth of July Parade | Sunday, July 4, 2021 | More information | |
| Canterbury, NH Fourth of July Fireworks and Parade | Saturday, July 3, 2021 | More information | |
| Center Harbor 4th of July Fireworks | Sunday, July 4, 2021 | More information | |
| Claremont July Fourth of July Celebration | Sunday, July 4, 2021 | More information | |
| Concord, NH Fireworks | Sunday, July 4, 2021 | More information | |
| Conway, NH Parade and Fireworks | Sunday, July 4, 2021 | More information | |
| Derry, NH Fireworks | Sunday, July 4, 2021 Rain date: Monday, July 5, 2021 | More information | |
| Dover, NH Fireworks | Sunday, July 4, 2021 | More information | |
| Durham, NH Fireworks | No events planned for 2021 | More information | |
| Exeter, NH Fireworks | Saturday, July 10, 2021 | More information | |
| Franconia, NH Fireworks and Old Home Day | Saturday, July 10, 2021 | More information | |
| Gilmanton, NH Fourth of July Fireworks | Saturday, June 26, 2021 | More information | |
| Gilmanton, NH Fourth of July Parade | Sunday, July 4, 2021 | More information | |
| Gorham, NH Fourth of July Spectacular and Fireworks | July 1-3, 2021 | More information | |
| Hampstead, NH Fireworks and Independence Day Celebration | Saturday, June 26, 2021 | More information | |
| Hampton Beach, NH Fireworks | Sunday, July 4, 2021 | More information | |
| Harrisville, NH Old Home Days Fireworks | No fireworks in 2021 | More information | |
| Hillsborough, NH Fireworks (Hillsborough Summer Fest) | Saturday, July 10, 2021 | More information | |
| Jackson, NH Independence Day Celebration | Friday, July 2, 2021 | More information | |
| Jefferson, NH 4th of July Parade | Sunday, July 4, 2021 | More information | |
| Keene, NH 4 on the 4th Road Race | Sunday, July 4, 2021 | More information | |
| Keene, NH Independence Eve Fireworks (After the Keene SwampBats baseball game) | Saturday, July 3, 2021 | More information | |
| Lancaster, NH Fourth of July Parade | Sunday, July 4, 2021 | More information | |
| Laconia, NH Fourth of July Celebration and Fireworks | Sunday, July 4, 2021 | More information | |
| Lebanon, NH July 4th Celebration, 5k and Fireworks | Sunday, July 4, 2021 | More information | |
| Lincoln / Woodstock, NH Independence Day Celebration | Sunday, July 4, 2021 | More information | |
| Manchester, NH Fireworks | Saturday, July 3, 2021 | More information | |
| Meredith, NH July 4th Fireworks | Sunday, July 4, 2021 | More information | |
| Merrimack, NH 4th of July Celebration and Fireworks | Sunday, July 4, 2021 | More information | |
| Milford, NH Independence Day Celebration and Fireworks | Friday, July 2, 2021 | More information | |
| Milton NH Fourth of July Parade | Sunday, July 4, 2021 | More information | |
| Moultonborough, NH 4th of July Fireworks (held in Center Harbor) | Sunday, July 4, 2021 | More information | |
| Nashua, NH Fourth of July Fireworks | Sunday, July 4, 2021 | More information | |
| New Boston, NH Fourth of July Festivities and Fireworks | Sunday, July 4, 2021 | More information | |
| New Castle, NH Fourth of July Parade | No fireworks planned for 2021 | More information | |
| Newbury, NH Fourth of July Parade | Sunday, July 4, 2021 | More information | |
| North Conway, NH 4th of July Fireworks | Sunday, July 4, 2021 | More information | |
| Ossipee, NH Fourth of July Fourth of July Parade and Fireworks | Sunday, July 4, 2021 | More information | |
| Pelham, NH Independence Day Celebration | Saturday, June 26, 2021 | More information | |
| Portsmouth, NH Fourth of July fireworks | Saturday, July 3, 2021 (Rain date: Monday, July 5, 2021) | More information | |
| Raymond, NH Fourth of July Parade | Sunday, July 4, 2021 | More information | |
| Raymond, NH Fireworks (part of the Town Fair) | Saturday, July 10, 2021 | More information | |
| Rochester, NH Night Before the Fourth Fireworks | Saturday, July 3, 2021 | More information | |
| Salem, NH Annual Patriotic Walk/Run | Sunday, July 4, 2021 | More information | |
| Sandwich, NH Fireworks | Saturday, July 3, 2021 | More information | |
| Sunapee Harbor, NH Independence Day Fireworks | Saturday, July 3, 2021 | More information | |
| Tamworth, NH Fourth of July Fireworks | Friday, July 2, 2021 | More information | |
| Troy, NH Patriotic Celebration | Saturday, July 10, 2021 | More information | |
| Wakefield, NH Annual Independence Day Celebration | Friday, July 2, 2021 | More information | |
| Waterville Valley, NH Independence Day Family Carnival | Sunday, July 4, 2021 | More information | |
| Weare, NH Patriotic Celebration and Parade | Saturday, July 17, 2021 | More information | |
| Weirs Beach, NH Fireworks | Saturday, July 3, 2021 | More information | |
| Windham, NH Fireworks | Wednesday, June 30, 2021 | More information | |
| Wolfeboro, NH 4th of July Fireworks | Friday, July 2, 2021 | More information | |
| Wolfeboro, NH Independence Day Parade | Sunday, July 4, 2021 | More information | |
| Woodsville, NH / White River Junction, VT Fourth of July Celebration (Parade and Fireworks) | Sunday, July 4, 2021 | More information |
source: nh magazine
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