Home / United States / New Jersey / Trenton New Jersey · THREADEX · 1865–2026
Trenton, NJ 40.277°N, 74.816°W · station TTNthr · 162 years of record
98°F
HOTTEST JUL 15 SINCE 1995
forecast high · Jul 15
NWS NDFD forecast high temperature for Trenton.
86° MON 7/13 92° TUE 7/14 98° WED 7/15 92° THU 7/16 91° FRI 7/17 89° SAT 7/18 84° SUN 7/19 This Day in History · Jul 15
Today ranks #3 / 154
warmest Jul 15 in 154 yrs of record
Hottest Jul 15 ever 101°F
set in 1995
Coolest Jul 15 ever 65°F
set in 1926
Hottest Jul 15 — Year by Year
Every year's high on Jul 15 at Trenton. The forecast line shows where today lands; the ringed bar is the hottest on record.
65 83 101 1865: 82°F 1866: 94°F 1867: 80°F 1868: 94°F 1869: 86°F 1870: 89°F 1871: 88°F 1872: 86°F 1873: 89°F 1874: 90°F 1875: 88°F 1876: 88°F 1877: 86°F 1878: 92°F 1879: 94°F 1880: 90°F 1887: 88°F 1888: 80°F 1889: 76°F 1890: 91°F 1891: 92°F 1892: 90°F 1893: 86°F 1894: 88°F 1895: 82°F 1896: 95°F 1897: 90°F 1898: 94°F 1899: 90°F 1900: 90°F 1901: 86°F 1902: 81°F 1903: 72°F 1904: 82°F 1905: 88°F 1906: 76°F 1907: 82°F 1908: 91°F 1909: 91°F 1910: 95°F 1912: 95°F 1913: 83°F 1914: 81°F 1915: 89°F 1916: 84°F 1917: 78°F 1918: 87°F 1919: 77°F 1920: 88°F 1921: 82°F 1922: 76°F 1923: 80°F 1924: 78°F 1925: 81°F 1926: 65°F 1927: 94°F 1928: 77°F 1929: 76°F 1930: 78°F 1931: 90°F 1932: 90°F 1933: 78°F 1934: 94°F 1935: 82°F 1936: 93°F 1937: 86°F 1938: 87°F 1939: 80°F 1940: 80°F 1941: 78°F 1942: 82°F 1943: 90°F 1944: 82°F 1945: 78°F 1946: 76°F 1947: 87°F 1948: 84°F 1949: 84°F 1950: 71°F 1951: 91°F 1952: 93°F 1953: 92°F 1954: 83°F 1955: 91°F 1956: 83°F 1957: 84°F 1958: 91°F 1959: 74°F 1960: 75°F 1961: 72°F 1962: 87°F 1963: 86°F 1964: 86°F 1965: 87°F 1966: 82°F 1967: 81°F 1968: 86°F 1969: 88°F 1970: 83°F 1971: 84°F 1972: 90°F 1973: 78°F 1974: 89°F 1975: 84°F 1976: 79°F 1977: 92°F 1978: 84°F 1979: 86°F 1980: 91°F 1981: 84°F 1982: 89°F 1983: 99°F 1984: 90°F 1985: 91°F 1986: 86°F 1987: 82°F 1988: 97°F 1989: 80°F 1990: 88°F 1991: 87°F 1992: 96°F 1993: 86°F 1994: 89°F 1995: 101°F 1996: 89°F 1997: 95°F 1998: 84°F 1999: 89°F 2000: 74°F 2001: 84°F 2002: 92°F 2003: 83°F 2004: 80°F 2005: 87°F 2006: 84°F 2007: 90°F 2008: 82°F 2009: 85°F 2010: 91°F 2011: 90°F 2012: 84°F 2013: 93°F 2014: 87°F 2015: 82°F 2016: 93°F 2017: 85°F 2018: 85°F 2019: 85°F 2020: 86°F 2021: 90°F 2022: 86°F 2023: 90°F 2024: 92°F 2025: 88°F 98° forecast 1865 2025 1995 Forecast high · Jul 15 98°F Hottest this date since 1995 This-date record 101°F This-date rank #3 of 154
Hottest at any time since 2026 All-time record 106°F (1936) Odds to tie/break 48.0% (daily) Period of record 1865–2026
The hottest and coldest ever recorded at Trenton in each calendar month, and for the whole 1865–2026 record — with the year each was set.
Month Record High Record Low Jan 73°F 1932 -16°F 1984 Feb 78°F 2018 -14°F 1934 Mar 87°F 1998 0°F 1984 Apr 93°F 1915 11°F 1923 May 99°F 1911 31°F 1985 Jun 100°F 1934 39°F 1986 Jul 106°F 1936 46°F 1988 Aug 105°F 1918 39°F 1986 Sep 101°F 1983 34°F 1997 Oct 94°F 1941 21°F 1985 Nov 83°F 1950 9°F 1875 Dec 76°F 1998 -8°F 1880 All-time 106°F 1936 -16°F 1984
Records set or tied at Trenton so far this year — through Jul 11.
Record Highs in 2026 3 broke
plus 2 tied — daily record highs set this year
Record Lows in 2026 1 broke
plus 0 tied — daily record lows set this year
Current run 0 days
consecutive days with a high ≥ 90°F
Longest ever 11 days
record run, ended Jul 6 1901
So far in 2026 11 days
days with a high ≥ 90°F this year
Normal high & low by month, from Trenton's own 1991–2020 record. Today's normal high: 87°F · forecast is +11° vs normal .
Jan: 40°F Jan: 24°F Feb: 43°F Feb: 26°F Mar: 51°F Mar: 32°F Apr: 63°F Apr: 42°F May: 73°F May: 52°F Jun: 81°F Jun: 61°F Jul: 86°F Jul: 66°F Aug: 84°F Aug: 65°F Sep: 77°F Sep: 57°F Oct: 66°F Oct: 46°F Nov: 55°F Nov: 36°F Dec: 45°F Dec: 29°F J F M A M J J A S O N D Sun & Daylight Today Sunrise 4:40 AM Sunset 7:29 PM Solar noon 12:05 PM Daylight 14h 49m · losing 7 min/wk
Local standard time (no DST), level horizon.
Location 40.28°N, 74.82°W Trenton's observed daily high for the last six weeks — a white ring marks any day that broke or tied its daily record for that date.
Every day this year against Trenton's own record — the record high, the normal, and the full span ever seen. A shareable look at where the year stands.
Each cell is one day's high at Trenton, coloured by temperature — 162 years of record, so heat waves read as warm streaks and cold snaps as blue.
How many days a year hit a given high at Trenton — counted through Jul 15 each year, so you can see whether 2026 is running hot. Pick a threshold:
70° 75° 80° 85° 90° 95° 100° 105° 110°
11 days ≥90°F so far in 2026 — tied for the 29th most in 162 years. Normal for this point: 8 . Record: 22 in 2010.
A ready-to-share summary of Trenton's outlook — post it, or link this page.
See Trenton on coldestsince.com →