| Friday, January 1, 2021 | New Year's Day | The Library will be closed. |
| Monday, January 18, 2021 | Martin Luther King, Jr. Day | The Library will be closed. |
| Monday, February 15, 2021 | Presidents Day | The Library will be closed. |
| Sunday, April 4, 2021 | Easter | The Library will be closed. |
| Sunday, April 18, 2021 | Sunday before Patriots' Day | The Library will be closed. |
| Monday, April 19, 2021 | Patriots' Day | The Library will be closed. |
| Sunday, May 30, 2021 | Sunday before Memorial Day | The Library will be closed. |
| Monday, May 31, 2021 | Memorial Day | The Library will be closed. |
| Sunday, July 4, 2021 | Independence Day | The Library will be closed. |
| Sunday, September 5, 2021 | Sunday before Labor Day | The Library will be closed. |
| Monday, September 6, 2021 | Labor Day | The Library will be closed. |
| Monday, October 11, 2021 | Columbus Day | The Library will be closed. |
| Thursday, November 11, 2021 | Veterans Day | The Library will be closed. |
| Wednesday, November 24, 2021 | The day before Thanksgiving | All BPL Locations open 9 am to 5 pm |
| Thursday, November 25, 2021 | Thanksgiving | The Library will be closed. |
| Friday, December 31, 2021 | New Year’s Eve | All BPL Locations open 9 am to 5 pm |
