This page tracks the highest and lowest temperatures ever officially recorded at 26 weather stations across New Jersey, United States, based on measurements dating from 1899 to 2026. Use the interactive map or the list below to see the record high and record low temperature (in Fahrenheit) for each location, along with the date each record was set.
| Location | Temperature | Record Date |
| Atlantic City | 104 °F (40 °C) | August 7, 1918 |
| Belvidere | 101 °F (38 °C) | July 11, 1988 |
| Boonton | 104 °F (40 °C) | September 3, 1953 |
| Bridgeton | 103 °F (39 °C) | July 8, 2010 |
| Cape May | 102 °F (39 °C) | July 23, 2011 |
| Egg Harbor Township | 106 °F (41 °C) | July 4, 2026 |
| Elizabeth | 108 °F (42 °C) | July 22, 2011 |
| Essex Fells | 105 °F (41 °C) | August 10, 2001 |
| Estell Manor | 107 °F (42 °C) | July 4, 1966 |
| Flemington | 108 °F (42 °C) | August 7, 1918 |
| Hammonton | 105 °F (41 °C) | July 5, 1966 |
| Hightstown | 105 °F (41 °C) | July 9, 1936 |
| Joint Base MDL | 104 °F (40 °C) | July 6, 2010 |
| Lakehurst | 110 °F (43 °C) | July 19, 2013 |
| Long Branch | 106 °F (41 °C) | July 9, 1936 |
| Marlboro | 106 °F (41 °C) | July 9, 1936 |
| Millville | 103 °F (39 °C) | July 6, 2010 |
| New Brunswick | 105 °F (41 °C) | July 23, 2011 |
| Newfoundland | 105 °F (41 °C) | July 9, 1936 |
| Pennsauken | 108 °F (42 °C) | July 16, 1995 |
| Salem | 107 °F (42 °C) | July 2, 1901 |
| Short Hills | 107 °F (42 °C) | July 7, 2010 |
| Sussex | 106 °F (41 °C) | July 10, 1936 |
| Teterboro | 104 °F (40 °C) | July 10, 2007 |
| Trenton | 106 °F (41 °C) | July 22, 2011 |
| Vincentown | 107 °F (42 °C) | July 2, 1901 |
The highest temperature ever officially recorded in New Jersey, United States was 110 °F (43 °C), set in Lakehurst on July 19, 2013.
The lowest temperature ever officially recorded in New Jersey, United States was -29 °F (-34 °C), set in Sussex on January 21, 1994.
This page includes record high and low temperature data for 26 weather stations in New Jersey, United States.
The record highs and lows on this page span from 1899 to 2026 and are updated whenever a new station record is set.