New Jersey
On Saturday , none of 6 New Jersey cities had a day more extreme than any in 10 years or more. In the county averages of Tuesday 29 September 2026, 1 of 21 New Jersey counties did.
Cities
| City | Day | High | Low | Precipitation | The day | Month so far, rank | Years compared |
|---|---|---|---|---|---|---|---|
| Atlantic City Marina, NJ | 69°F | 62°F | 0.05 in | the warmest 3 October since 2023 | 14 | 152 | |
| Atlantic City, NJ | 69°F | 60°F | 0.06 in | the warmest 3 October since 2025 | 6 | 84 | |
| Belvidere, NJ | 81°F | 51°F | 0.01 in | the warmest 3 October since 2023 | 13 | 120 | |
| New Brunswick, NJ | 87°F | 56°F | 0.00 in | the warmest 3 October since 2019 | 5 | 130 | |
| Newark, NJ | 73°F | 59°F | a trace | the warmest 3 October since 2025 | 6 | 178 | |
| Trenton, NJ | 72°F | 56°F | a trace | the warmest 3 October since 2025 | 13 | 151 |
- 2026 so far brought 26.69 in of precipitation in Atlantic City Marina, NJ, the driest 1 January to 3 October since 2006, 41st driest of 152.
- Atlantic City, NJ has had 4 days at 100°F or above in 2026 through 3 October, equal to the most on record by that date, in 82 years since 1944 (1946 excluded: 48 of 276 days missing); provisional.
- Belvidere, NJ has had 1 day at 100°F or above in 2026 through 3 October (13 days missing), the most by that date since 2002 (2005 excluded: 34 of 276 days missing; 2006 excluded: 37 of 276 days missing; 2007 excluded: 230 of 276 days missing; 2 more years excluded for missing days), tied 14th most of 125 (with 1999, 1988, 1966 and 8 other years).
- New Brunswick, NJ has had 3 days at 100°F or above in 2026 through 3 October, the most by that date since 1999, tied 5th most of 133 (with 1953, 1936, 1901 and 1 other year).
- October 2026 so far averaged 71.8°F in Newark, NJ, the warmest 1 to 3 October since 2019, tied 6th warmest of 178 (with 1968).
- Trenton, NJ has had 2 days at 100°F or above in 2026 through 3 October, the most by that date since 2012, tied 6th most of 151 (with 2012, 1999, 1988 and 4 other years).
Counties
| County | Day | The day in the county average |
|---|---|---|
| Hudson County, NJ Notable | the coldest 29 September day in the county average since 1984 | |
| Atlantic County, NJ | the warmest 29 September in the county average since 2025 | |
| Bergen County, NJ | the warmest 29 September in the county average since 2025 | |
| Burlington County, NJ | the warmest 29 September in the county average since 2025 | |
| Camden County, NJ | the warmest 29 September in the county average since 2025 | |
| Cape May County, NJ | the warmest 29 September in the county average since 2025 | |
| Cumberland County, NJ | the warmest 29 September in the county average since 2025 | |
| Essex County, NJ | the warmest 29 September in the county average since 2025 | |
| Gloucester County, NJ | the warmest 29 September in the county average since 2025 | |
| Hunterdon County, NJ | the warmest 29 September in the county average since 2025 | |
| Mercer County, NJ | the warmest 29 September in the county average since 2025 | |
| Middlesex County, NJ | the warmest 29 September in the county average since 2025 | |
| Monmouth County, NJ | the warmest 29 September in the county average since 2025 | |
| Morris County, NJ | the warmest 29 September in the county average since 2025 | |
| Ocean County, NJ | the warmest 29 September in the county average since 2025 | |
| Passaic County, NJ | the warmest 29 September in the county average since 2025 | |
| Salem County, NJ | the warmest 29 September in the county average since 2025 | |
| Somerset County, NJ | the warmest 29 September in the county average since 2025 | |
| Sussex County, NJ | the warmest 29 September in the county average since 2025 | |
| Union County, NJ | the warmest 29 September in the county average since 2025 | |
| Warren County, NJ | the warmest 29 September in the county average since 2025 |
Records set this year
- RecordSaturday 4 July 2026: a high of 104°F in New Brunswick, NJ, the warmest 4 July on record, in 134 years since 1893; provisional, awaiting the National Weather Service report.
- RecordSaturday 4 July 2026: a high of 106°F in Atlantic City, NJ, the warmest 4 July on record, in 83 years since 1944; provisional, awaiting the National Weather Service report.
- RecordFriday 3 July 2026: a high of 105°F in Atlantic City, NJ, the warmest 3 July on record, in 83 years since 1944; provisional, awaiting the National Weather Service report.
- RecordThursday 2 July 2026: a high of 101°F in Trenton, NJ, the warmest 2 July on record, in 154 years since 1866 (no value for 1881, 1882, 1883 and 4 other years); provisional, awaiting the National Weather Service report.
- RecordThursday 2 July 2026: a high of 105°F in Newark, NJ, the warmest 2 July on record, in 180 years since 1843 (no value for 1889, 1890, 1891 and 1 other year); provisional, awaiting the National Weather Service report.
- RecordThursday 2 July 2026: a high of 103°F in Atlantic City, NJ, the warmest 2 July on record, in 83 years since 1944; provisional, awaiting the National Weather Service report.
- RecordFriday 12 June 2026: a high of 96°F in New Brunswick, NJ, the warmest 12 June on record, in 133 years since 1893 (no value for 1906); provisional, awaiting the National Weather Service report.
- RecordFriday 12 June 2026: a high of 96°F in Atlantic City, NJ, the warmest 12 June on record, in 83 years since 1944; provisional, awaiting the National Weather Service report.
- RecordThursday 11 June 2026: a high of 97°F in Newark, NJ, the warmest 11 June on record, in 178 years since 1844 (no value for 1889, 1890, 1891 and 2 other years); provisional, awaiting the National Weather Service report.
- RecordThursday 11 June 2026: a high of 92°F in Atlantic City Marina, NJ, the warmest 11 June on record, in 152 years since 1874 (no value for 1989); provisional, awaiting the National Weather Service report.
- RecordFriday 5 June 2026: a high of 94°F in Atlantic City, NJ, the warmest 5 June on record, in 83 years since 1944; provisional, awaiting the National Weather Service report.
- RecordWednesday 20 May 2026: a high of 97°F in New Brunswick, NJ, the warmest 20 May on record, in 132 years since 1893 (no value for 1906 and 1912); provisional, awaiting the National Weather Service report.
- RecordWednesday 20 May 2026: a high of 95°F in Belvidere, NJ, the warmest 20 May on record, in 129 years since 1894 (no value for 1903, 2005, 2007 and 1 other year); provisional, awaiting the National Weather Service report.
- RecordWednesday 20 May 2026: a high of 97°F in Atlantic City, NJ, the warmest 20 May on record, in 82 years since 1944 (no value for 1946); provisional, awaiting the National Weather Service report.
- RecordTuesday 19 May 2026: a high of 99°F in Newark, NJ, the warmest 19 May on record, in 178 years since 1843 (no value for 1889, 1890, 1891 and 3 other years); provisional, awaiting the National Weather Service report.
- RecordWednesday 22 April 2026: a low of 22°F in Belvidere, NJ, the coldest 22 April night on record, in 128 years since 1893 (no value for 1997, 1999, 2007 and 3 other years); provisional, awaiting the National Weather Service report.
- RecordTuesday 21 April 2026: a low of 27°F in Trenton, NJ, the coldest 21 April night on record, in 133 years since 1893 (no value for 1896); provisional, awaiting the National Weather Service report.
- RecordTuesday 21 April 2026: a low of 22°F in Belvidere, NJ, the coldest 21 April night on record, in 129 years since 1893 (no value for 1931, 1988, 2007 and 2 other years); provisional, awaiting the National Weather Service report.
- RecordThursday 16 April 2026: a high of 91°F in Atlantic City, NJ, the warmest 16 April on record, in 82 years since 1944 (no value for 1946); provisional, awaiting the National Weather Service report.
- RecordWednesday 15 April 2026: a high of 88°F in Trenton, NJ, the warmest 15 April on record, in 154 years since 1866 (no value for 1881, 1882, 1883 and 4 other years); provisional, awaiting the National Weather Service report.
- RecordWednesday 15 April 2026: a high of 91°F in Newark, NJ, the warmest 15 April on record, in 177 years since 1844 (no value for 1889, 1890, 1891 and 3 other years); provisional, awaiting the National Weather Service report.
- RecordTuesday 14 April 2026: a high of 88°F in Atlantic City, NJ, the warmest 14 April on record, in 82 years since 1944 (no value for 1946); provisional, awaiting the National Weather Service report.
- RecordSaturday 4 April 2026: a high of 81°F in Atlantic City, NJ, the warmest 4 April on record, in 83 years since 1944; provisional, awaiting the National Weather Service report.
- RecordWednesday 1 April 2026: a high of 84°F in Atlantic City, NJ, the warmest 1 April on record, in 83 years since 1944; provisional, awaiting the National Weather Service report.
- RecordThursday 12 March 2026: a high of 81°F in New Brunswick, NJ, the warmest 12 March on record, in 134 years since 1893; provisional, awaiting the National Weather Service report.
- RecordThursday 12 March 2026: a high of 76°F in Belvidere, NJ, the warmest 12 March on record, in 131 years since 1893 (no value for 1917, 2007 and 2025); provisional, awaiting the National Weather Service report.
- RecordWednesday 11 March 2026: a high of 77°F in Trenton, NJ, the warmest 11 March on record, in 151 years since 1866 (no value for 1877, 1880, 1881 and 7 other years); provisional, awaiting the National Weather Service report.
- RecordWednesday 11 March 2026: a high of 82°F in Newark, NJ, the warmest 11 March on record, in 177 years since 1844 (no value for 1847, 1889, 1890 and 3 other years); provisional, awaiting the National Weather Service report.
- RecordWednesday 11 March 2026: a high of 80°F in Belvidere, NJ, the warmest 11 March on record, in 130 years since 1893 (no value for 2007, 2016, 2019 and 1 other year); provisional, awaiting the National Weather Service report.
- RecordTuesday 10 March 2026: a high of 82°F in Newark, NJ, the warmest 10 March on record, in 178 years since 1844 (no value for 1889, 1890, 1891 and 2 other years); provisional, awaiting the National Weather Service report.
- RecordMonday 9 March 2026: a high of 67°F in Atlantic City Marina, NJ, the warmest 9 March on record, in 152 years since 1874 (no value for 1989); provisional, awaiting the National Weather Service report.
- RecordSunday 8 February 2026: a low of -10°F in Belvidere, NJ, the coldest 8 February night on record, in 127 years since 1893 (no value for 1930, 1931, 1988 and 4 other years); provisional, awaiting the National Weather Service report.
- RecordWednesday 4 February 2026: a low of -9°F in Belvidere, NJ, the coldest 4 February night on record, in 130 years since 1893 (no value for 1995, 2005, 2007 and 1 other year); provisional, awaiting the National Weather Service report.
- RecordTuesday 3 February 2026: a low of -9°F in Belvidere, NJ, the coldest 3 February night on record, in 131 years since 1893 (no value for 2007, 2015 and 2025); provisional, awaiting the National Weather Service report.
- RecordSunday 1 February 2026: a low of -18°F in Belvidere, NJ, the coldest 1 February night on record, in 130 years since 1893 (no value for 2007, 2011, 2015 and 1 other year); provisional, awaiting the National Weather Service report.
- RecordSaturday 31 January 2026: a low of -18°F in Belvidere, NJ, the coldest 31 January night on record, in 126 years since 1893 (no value for 1982, 1983, 1995 and 5 other years); provisional, awaiting the National Weather Service report.
- RecordThursday 29 January 2026: a low of -12°F in Belvidere, NJ, the coldest 29 January night on record, in 130 years since 1893 (no value for 1989, 2002, 2007 and 1 other year); provisional, awaiting the National Weather Service report.
- Records set this year not listed
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