Home / United States / New York / Rochester New York · THREADEX · 1872–2026
Rochester, NY 43.117°N, 77.675°W · station ROCthr · 155 years of record
64°F
COLDEST JUL 17 SINCE 2022
forecast low · Jul 17
NWS NDFD forecast low temperature for Rochester.
70° TUE 7/14 75° WED 7/15 66° THU 7/16 64° FRI 7/17 64° SAT 7/18 66° SUN 7/19 This Day in History · Jul 17
Today ranks #92 / 153
coldest Jul 17 in 153 yrs of record
Coldest Jul 17 ever 48°F
set in 1888
Mildest Jul 17 ever 75°F
set in 1900
Coldest Jul 17 — Year by Year
Every year's low on Jul 17 at Rochester. The forecast line shows where today lands; the ringed bar is the coldest on record.
48 62 75 1872: 71°F 1873: 64°F 1874: 53°F 1875: 65°F 1876: 59°F 1877: 66°F 1878: 73°F 1879: 57°F 1880: 65°F 1881: 62°F 1882: 67°F 1884: 52°F 1885: 70°F 1886: 59°F 1887: 68°F 1888: 48°F 1889: 65°F 1890: 58°F 1891: 55°F 1892: 54°F 1893: 69°F 1894: 63°F 1895: 64°F 1896: 57°F 1897: 68°F 1898: 59°F 1899: 64°F 1900: 75°F 1901: 73°F 1902: 60°F 1903: 55°F 1904: 62°F 1905: 69°F 1906: 65°F 1907: 71°F 1908: 55°F 1909: 61°F 1910: 59°F 1911: 61°F 1912: 59°F 1913: 64°F 1914: 69°F 1915: 63°F 1916: 72°F 1917: 63°F 1918: 62°F 1919: 56°F 1920: 49°F 1921: 63°F 1922: 71°F 1923: 58°F 1924: 61°F 1925: 54°F 1926: 62°F 1927: 62°F 1928: 65°F 1929: 59°F 1930: 62°F 1931: 65°F 1932: 59°F 1933: 60°F 1934: 55°F 1935: 58°F 1936: 60°F 1937: 66°F 1938: 69°F 1939: 54°F 1940: 62°F 1941: 60°F 1942: 66°F 1943: 62°F 1944: 63°F 1945: 52°F 1946: 51°F 1947: 67°F 1948: 60°F 1949: 65°F 1950: 70°F 1951: 62°F 1952: 64°F 1953: 64°F 1954: 53°F 1955: 68°F 1956: 58°F 1957: 52°F 1958: 52°F 1959: 62°F 1960: 53°F 1961: 63°F 1962: 55°F 1963: 57°F 1964: 57°F 1965: 65°F 1966: 54°F 1967: 50°F 1968: 72°F 1969: 74°F 1970: 54°F 1971: 52°F 1972: 67°F 1973: 55°F 1974: 52°F 1975: 63°F 1976: 62°F 1977: 72°F 1978: 59°F 1979: 65°F 1980: 72°F 1981: 61°F 1982: 74°F 1983: 58°F 1984: 63°F 1985: 50°F 1986: 60°F 1987: 51°F 1988: 64°F 1989: 59°F 1990: 65°F 1991: 63°F 1992: 52°F 1993: 53°F 1994: 59°F 1995: 70°F 1996: 62°F 1997: 66°F 1998: 66°F 1999: 69°F 2000: 62°F 2001: 62°F 2002: 68°F 2003: 53°F 2004: 62°F 2005: 73°F 2006: 73°F 2007: 57°F 2008: 62°F 2009: 59°F 2010: 67°F 2011: 64°F 2012: 67°F 2013: 71°F 2014: 54°F 2015: 56°F 2016: 62°F 2017: 66°F 2018: 68°F 2019: 72°F 2020: 71°F 2021: 59°F 2022: 58°F 2023: 65°F 2024: 67°F 2025: 65°F 64° forecast 1872 2025 1888 Forecast low · Jul 17 64°F Coldest this date since 2022 This-date record 48°F This-date rank #92 of 153
Coldest at any time since 2026 All-time record -22°F (1934) Odds to tie/break 0.0% (daily) Period of record 1872–2026
The hottest and coldest ever recorded at Rochester in each calendar month, and for the whole 1872–2026 record — with the year each was set.
Month Record High Record Low Jan 74°F 1950 -17°F 1994 Feb 73°F 1997 -22°F 1934 Mar 86°F 1905 -9°F 2014 Apr 93°F 1970 7°F 1923 May 94°F 1974 26°F 1970 Jun 100°F 1953 35°F 1945 Jul 102°F 1936 42°F 1963 Aug 99°F 1948 36°F 1965 Sep 99°F 1953 28°F 1947 Oct 91°F 1951 19°F 1879 Nov 81°F 1950 1°F 1875 Dec 72°F 1982 -16°F 1942 All-time 102°F 1936 -22°F 1934
Records set or tied at Rochester so far this year — through Jul 11.
Record Highs in 2026 2 broke
plus 0 tied — daily record highs set this year
Record Lows in 2026 0 broke
plus 0 tied — daily record lows set this year
Current run 0 days
consecutive days with a low ≤ 32°F
Longest ever 105 days
record run, ended Mar 19 1959
So far in 2026 79 days
days with a low ≤ 32°F this year
Normal low & low by month, from Rochester's own 1991–2020 record. Today's normal low: 62°F · forecast is +2° vs normal .
Jan: 33°F Jan: 18°F Feb: 34°F Feb: 19°F Mar: 43°F Mar: 26°F Apr: 56°F Apr: 36°F May: 69°F May: 48°F Jun: 77°F Jun: 57°F Jul: 82°F Jul: 62°F Aug: 80°F Aug: 60°F Sep: 73°F Sep: 53°F Oct: 60°F Oct: 43°F Nov: 48°F Nov: 33°F Dec: 38°F Dec: 25°F J F M A M J J A S O N D Sun & Daylight Today Sunrise 4:43 AM Sunset 7:50 PM Solar noon 12:16 PM Daylight 15h 07m · losing 8 min/wk
Local standard time (no DST), level horizon.
Location 43.12°N, 77.67°W Rochester's observed daily low 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 Rochester's own record — the record low, the normal, and the full span ever seen. A shareable look at where the year stands.
Each cell is one day's low at Rochester, coloured by temperature — 155 years of record, so heat waves read as warm streaks and cold snaps as blue.
How many days a year hit a given low at Rochester — counted through Jul 17 each year, so you can see whether 2026 is running cold. Pick a threshold:
40° 32° 20° 10° 0° -10° -20°
79 days ≤32°F so far in 2026 — tied for the 131st most in 155 years. Normal for this point: 88 . Record: 105 in 1883.
A ready-to-share summary of Rochester's outlook — post it, or link this page.
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