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Tennessee · THREADEX · 1871–2026

Knoxville, TN

35.818°N, 83.986°W · station TYSthr · 156 years of record
77°F
forecast high · Oct 23

7-Day Forecast

NWS NDFD forecast high temperature for Knoxville.
58°SAT10/1764°SUN10/1867°MON10/1971°TUE10/2074°WED10/2175°THU10/2277°FRI10/23

This Day in History

Every year's high on each of the next 7 forecast dates at Knoxville — toggle a day below. The forecast line shows where it lands; the ringed bar is the hottest on record.

Ranks

#28 / 155
warmest Oct 23 in 155 yrs of record

Warmest Oct 23 ever

82°F
set in 1920

Coolest Oct 23 ever

43°F
set in 1937
Forecast high 77°F — 28th warmest Oct 23 of 155 years · record 82°F (1920) · warmest since 2024.
1871: 68°F1872: 64°F1873: 69°F1874: 68°F1875: 68°F1876: 81°F1877: 63°F1878: 59°F1879: 64°F1880: 69°F1881: 59°F1882: 71°F1883: 66°F1884: 66°F1885: 64°F1886: 78°F1887: 69°F1888: 59°F1889: 51°F1890: 55°F1891: 59°F1892: 81°F1893: 76°F1894: 80°F1895: 66°F1896: 74°F1897: 72°F1898: 58°F1899: 75°F1900: 78°F1901: 80°F1902: 73°F1903: 60°F1904: 60°F1905: 64°F1906: 80°F1907: 72°F1908: 57°F1909: 72°F1910: 65°F1911: 62°F1912: 72°F1913: 63°F1914: 72°F1915: 73°F1916: 58°F1917: 48°F1918: 64°F1919: 71°F1920: 82°F1921: 78°F1922: 59°F1923: 44°F1924: 54°F1925: 62°F1926: 59°F1927: 82°F1928: 76°F1929: 58°F1930: 52°F1931: 79°F1932: 72°F1933: 71°F1934: 78°F1935: 71°F1936: 76°F1937: 43°F1938: 70°F1939: 81°F1940: 75°F1941: 82°F1942: 55°F1943: 69°F1944: 63°F1945: 60°F1946: 68°F1947: 82°F1948: 52°F1949: 73°F1950: 75°F1951: 76°F1952: 67°F1953: 82°F1954: 75°F1955: 77°F1956: 67°F1957: 74°F1958: 72°F1959: 65°F1960: 63°F1961: 73°F1962: 65°F1963: 79°F1964: 70°F1965: 63°F1966: 74°F1967: 72°F1968: 73°F1969: 56°F1970: 72°F1971: 69°F1972: 72°F1973: 72°F1974: 69°F1975: 74°F1976: 63°F1977: 71°F1978: 80°F1979: 66°F1980: 71°F1981: 59°F1982: 60°F1983: 61°F1984: 73°F1985: 69°F1986: 70°F1987: 68°F1988: 59°F1989: 67°F1990: 60°F1991: 77°F1992: 74°F1993: 67°F1994: 73°F1995: 74°F1996: 74°F1997: 61°F1998: 62°F1999: 51°F2000: 78°F2001: 81°F2002: 70°F2003: 66°F2004: 73°F2005: 68°F2006: 46°F2007: 80°F2008: 66°F2009: 75°F2010: 75°F2011: 67°F2012: 77°F2013: 54°F2014: 63°F2015: 77°F2016: 62°F2017: 74°F2018: 66°F2019: 66°F2020: 82°F2021: 69°F2022: 75°F2023: 73°F2024: 77°F2025: 72°F77° forecast40455055606570758085188018901900191019201930194019501960197019801990200020102020
📖 Knoxville's full Climate Almanac →

The Numbers

Forecast high · Oct 2377°F
Hottest this date since2024
This-date record82°F
This-date rank#28 of 155
Hottest at any time since2026
All-time record105°F (2012)
Odds to tie/break4.0% (daily)
Period of record1871–2026

Record Book

The hottest and coldest ever recorded at Knoxville in each calendar month, and for the whole 1871–2026 record — with the year each was set.
MonthRecord HighRecord Low
Jan77°FJan 25, 1950-24°FJan 21, 1985
Feb83°FFeb 26, 1977-10°FFeb 14, 1899
Mar88°FMar 25, 19291°FMar 3, 1980
Apr93°FApr 24, 192522°FApr 1, 1987
May96°FMay 22, 194132°FMay 4, 1986
Jun105°FJun 30, 201242°FJun 13, 1903
Jul105°FJul 1, 201249°FJul 2, 1988
Aug102°FAug 29, 194849°FAug 31, 1946
Sep103°FSep 5, 195435°FSep 30, 1888
Oct96°FOct 2, 201924°FOct 30, 1910
Nov85°FNov 1, 20165°FNov 25, 1950
Dec80°FDec 4, 1982-6°FDec 25, 1983
All-time105°FJun 30, 2012-24°FJan 21, 1985

2026 Records So Far

Records set or tied at Knoxville so far this year — through Oct 15.

Record Highs in 2026

2 broke
plus 2 tied — daily record highs set this year

Record Lows in 2026

0 broke
plus 0 tied — daily record lows set this year

Record Warm Nights & Cold Days

Two more daily records, kept separate from the rankings: the warmest a night has ever stayed (record high minimum) and the coldest a day has ever gotten (record low maximum) — the flip side of the usual record high and low.

Warmest low ever

80°F
record high minimum — the night it never cooled · Jul 25, 2010

Coldest high ever

6°F
record low maximum — the day it never warmed · Feb 13, 1899
MonthWarmest lowColdest high
Jan67°FJan 23, 19207°FJan 30, 1966
Feb65°FFeb 23, 20236°FFeb 13, 1899
Mar68°FMar 20, 194820°FMar 4, 1873
Apr71°FApr 3, 202534°FApr 4, 1891
May73°FMay 30, 194146°FMay 19, 1894
Jun79°FJun 30, 193660°FJun 2, 1956
Jul80°FJul 25, 201067°FJul 4, 1922
Aug77°FAug 3, 193562°FAug 15, 1964
Sep76°FSep 10, 192552°FSep 29, 1967
Oct72°FOct 3, 189840°FOct 24, 1917
Nov66°FNov 1, 197114°FNov 25, 1950
Dec66°FDec 8, 195113°FDec 28, 1894
All-time80°FJul 25, 20106°FFeb 13, 1899

Hot Streaks

Current run

0 days
consecutive days with a high ≥ 90°F

Longest ever

30 days
record run, ended Jul 29 1993

So far in 2026

57 days
days with a high ≥ 90°F this year

Climate Normals

Normal high & low by month, from Knoxville's own 1991–2020 record. Today's normal high: 69°F · forecast is +8° vs normal.
Jan: 48°FJan: 30°FFeb: 53°FFeb: 33°FMar: 61°FMar: 40°FApr: 71°FApr: 48°FMay: 79°FMay: 57°FJun: 86°FJun: 65°FJul: 88°FJul: 69°FAug: 88°FAug: 68°FSep: 82°FSep: 61°FOct: 72°FOct: 49°FNov: 60°FNov: 38°FDec: 51°FDec: 33°FJFMAMJJASOND

Sun & Location

Sun & Daylight Today

Sunrise5:43 AM
Sunset4:59 PM
Solar noon11:21 AM
Daylight11h 16m · losing 15 min/wk
Local standard time (no DST), level horizon.

Location

35.82°N, 83.99°W

Nearby Stations

Oak Ridge, TN19 mi NWAsheville, NC85 mi EChattanooga, TN87 mi SWBristol-Johnson City, TN99 mi NEGreenville-Spartanburg, SC118 mi SEJackson, KY128 mi N

The Last 6 Weeks

Knoxville'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.
Knoxville, TN — last six weeks of daily high

2026 So Far

Every day this year against Knoxville's own record — the record high, the normal, and the full span ever seen. A shareable look at where the year stands.
Knoxville, TN — 2026 daily high trace
Download year chart

Every Day Since 1871

Each cell is one day's high at Knoxville, coloured by temperature — 156 years of record, so heat waves read as warm streaks and cold snaps as blue.
Knoxville, TN daily high heat map 1871–2026

Days Above the Mark

How many days a year hit a given high at Knoxville — counted through Oct 23 each year, so you can see whether 2026 is running hot. Pick a threshold:
57 days ≥90°F so far in 2026 — the 20th most in 156 years. Normal for this point: 34. Record: 78 in 1936.

Share Card

A ready-to-share summary of Knoxville's outlook — post it, or link this page.
Knoxville, TN hot share card
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